GE PT878 manuale d’uso

GE Sensing & Inspection T echnologies Flow 910-219 Rev . F November 2009 T ransP or t® Model PT878 Por table Liquid Flowmet er User ’s Manual[...]

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GESensingInspection.com ©2009 General Electric Com pany. All r ights reserved. Technical content subject t o change without notice. GE Sensing & Inspection T echnologies T ransP or t® Model PT878 Por table Liquid Flowmet er User ’s Manual 910-219 Rev . F November 2009[...]

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Preface Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual iii Information Paragraphs • Note paragraphs provide information that pr ovides a deeper understand ing of the situation, but is not essential to the p r oper completion of the instru ctions. • Important paragraphs provide information that emphasizes instructions th at a[...]

Preface iv Transport® M odel PT878 Portable Liquid Fl owmeter User ’s Manual Auxiliary Equipment Local Safety Standar ds The user must make sure that he oper ates all auxiliary equipment in accordance with local codes, standards, regulatio ns, or laws applicable to safety . Working Area W ARNING! Auxiliary equipment may hav e both manual and aut[...]

Preface Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual v Environmental Compliance Waste Electrical and Electron ic Equipment (WEEE) Dire ctive GE Sensing & Inspect ion T echnol ogies is an active participant in Europe’ s W aste Electrical and Electr onic Equipment (WEEE) take-back initiative, directive 2002/96/ EC. The equ[...]

Preface vi Transport® Model PT878 Portable Liquid Flo wmeter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual vii Chapter 1. Features and Capabiliti es 1.1 Over view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Contents viii Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual Chapter 3. Programming Site Data 3.1 Entering the Program Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.2 Entering Transducer Parameter s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.[...]

Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual ix Chapter 4. Creating and Ma naging Sites 4.1 The Site Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.1.1 Creating a New Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Contents x Transport® Model PT878 Portable Liquid Flowmet er User ’s Manual Chapter 6. Programming Meter Settings 6.1 Entering the Met er Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 6.2 Selecting Measurement Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual xi Chapter 7. Logging Data 7.1 Entering the Logging Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 7.2 The Log Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 [...]

Contents xii Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual Chapter 8. Servicing the PT878 8.1 Entering the Ser vice Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 8.2 Printing Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Contents Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual xiii Chapter 9. Diagnostics and Troubleshooting 9.1 Error Code Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 9.2 Displaying Diagnostic Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Contents xiv Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Appendix A. Menu Maps Appendix B. Measuring P and L Dimensions Appendix C. Temperature Transmitter Installati on C.1 Guidelines for RTD Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3 C.2 Mounting RTDs on the Pipe . . .[...]

Chapter 1. Featur es and Capabilities Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 1 Chapter 1. Featur es and Capabilities The T ransPort ® Model PT878 is a transit-tim e flowmeter which combines all the features of a full-size flowmete r with the advantages of a portable instrument. This section describes the TransPort featu[...]

Chapter 1. Features and Capab ilities 2 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 1.1 Overview (cont .) T o assist you, the PT878 is fully equipped with context-sensitive on-line help which is accessible at any time by simply pressing the “?” (Help) key . Internal diagnostic and troubleshooting features help is olate [...]

Chapter 1. Featur es and Capabilities Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3 1.2.2 Electronics Package The PT878 consists of circuits that ge nerate, receive, and measure the travel time of the ultrasonic pulses. It also contains a microcompu ter that controls operation and calculates flow measurem ent parameters. Spec[...]

Chapter 1. Features and Capab ilities 4 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 1.3 Theory of Operation The PT878 is a transit-time ultrasonic flowmeter . When ultrasonic pulses are transmitted through a moving liquid, the pulses that travel in the same direction as the fluid flow (d ownstream) tr avel slightly faster t[...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5 Chapter 2. Initial Setup Before making measurements, you must prepare the PT878 for operation. This includes the fo llowing procedures: • Making Electrical Connections • Charging and/or Replacing Batteries • Powering On and Off • Using the Screen [...]

Chapter 2. Initial Set up 6 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 2.1 Making Electrical Connections Before making measurements with the PT8 78, you must make all the necessary connections to the unit. This section describes how to connect the following: • Power • T ra nsducers • Input/Output • Infrared Interfa[...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 7 2.1.1 Power Connections The PT878 is powered by either a 100-120/2 00-260 V AC wall mount plug-in module, or by 5 interna l C s -siz e NiCad high-energy rechar geable batteries or by a pack of 3.0 Ah r NiMH batteries. (An optional power supplement, part #[...]

Chapter 2. Initial Set up 8 Transport® Model PT878 Portable Liquid Flowmet er User ’ s Manual 2.1.3 Input/Output Connections (cont .) 2.1.4 The Infrared Wireless Interface The PT878 comes equ ipp ed with an inte rnal infrared transceiver (shown in Figure 2 on page 6) that enables co mmunication between the meter and other IR devices, particularl[...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 9 2.2 Caring for the PT878 Batteries The PT878 comes with self-contained, built-in rechargeable batteries to support portable operation. For optimum performance, these batteries require a minimum of maintenance. CAUTION! Use only GE-approv ed batteries and [...]

Chapter 2. Initial Set up 10 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.2.1 Charging and Storing the Batteries (cont . ) Store the batteries at temperatures from –4°F to 131°F (–20°C to 55°C) for periods of less than one month , or from 32°F to 104°F (0°C to 40°C) for longer periods. (If you are transporti ng t[...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 11 2.2.2 Replacing the Batteries (cont .) Figure 3: Batt ery Location T o furthe r extend the battery power on the PT878, the GE Part #705-1283 option uses 6 AA alkaline ba tteries. 2.2.3 Disposing of Batteries CAUTION! Never disp ose of the batteries by i[...]

Chapter 2. Initial Set up 12 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.3 Powering ON and OFF T o operate the PT878, the power cord mu st be plugged into line voltage or the battery must be charged as described previo us ly . IMPORT ANT: For CE compliance, the PT8 78 is cl assified as a battery-power ed device, not to be u[...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 13 2.3 Powering ON and OFF (cont .) After the meter conducts a ll the self checks, the screen then appears similar to the one shown in Figure 4 b elow . Fi gure 4: S cre en A ft er Pow eri ng O N 2000/1 1/30 09:53 AM V elocity , f t/s Signal, dB 0.00 32 De[...]

Chapter 2. Initial Set up 14 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.3 Powering ON and OFF (cont .) T o turn the PT878 of f, press the re d key for 3 seconds. The screen now appears similar to Figure 5 below . Figure 5: Shutdown Menu Three options are available: • Press [F1] to shut down the PT878, turning it complete[...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 15 2.4 Using the Scr een and Ke ypad The essential features for operating th e PT878 are the screen and keypad. Although these features are common on portable instruments, the PT878 design offers particular features to simplify and speed operation. 2.4.1 S[...]

Chapter 2. Initial Set up 16 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.4.1 Screen (cont). The middle of the screen show n in Figure 6 on page 15 is the work area, which displays th e mea sured paramete rs, numeric measurements, and both bar and line graphs. (When you enter a selection on the Menu Bar discussed in Chapter [...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 17 2.4.2 Keypad The PT878 keypad has 25 keys. The functions for each key are as follows (see Figure 7 on page 18): • 3 function keys ( [F1] , [F2] , [F3] ) — enable you to select the special functions which appear at the bottom of the screen. • 12 nu[...]

Chapter 2. Initial Set up 18 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 2.4.2 Keypad (cont .) Figure 7: PT878 K eypad F1 F2 F3 ? 1 2 3 4 5 6 7 8 9 0 • – ESC SEL ENTER MENU PT878[...]

Chapter 2. In itial Setup Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 19 2.5 Obtaining On-Line Help The PT878 offers context-sensitive on -line help screens that describe various features. Y ou can access on-line help at any time by pressing the [?] key . The screen appears similar to Figure 8 below . Figure 8: Main Help Men[...]

Chapter 2. Initial Set up 20 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 21 Chapter 3. Programming Site Data On the PT878, a Program Menu (part of the Main Menu) enables you to enter information that is specific to each site: • T ra nsduc er types and paths • Pipe materials and linings • Fluid types • Heating or [...]

Chapter 3. Programming Sit e Data 22 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.1 Entering t he Pr ogram Menu T o enter the Program Menu, press the [ME NU] key at the lower ri ght of the PT878 keypad. The Menu Bar replaces the Status Bar at the top of the screen. Press the [ X ] arrow key once to scroll from the Site Menu [...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 23 3.2 Entering Transducer Parameters T o enter the T ransducer option, scro ll to the T ransducer entry on the Program Menu and press [ENTER] . The screen appears similar to Figure 10 below . T o step through each parameter , press the [ T ] key . [...]

Chapter 3. Programming Sit e Data 24 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2 Entering Transducer P arameters (cont .) Note: The choices made ear ly in the T ransducer and Pipe options determine the pr ompts available late r . If the PT878 does not scr oll to a particular parameter , it is not n ecessary for that trans[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 25 Figure 11: T ransducer Numbers Drop-Down List Table 4: T ransducer Numbers Available WET TED CL AMP-ON SPECIAL 64 SPECIAL 23 (Shear) 113 (Shear) 307 (Shear) 40 52 65 1 (Rayleigh) 24 (Shea r) 114 (Shear) 308 (Shear) 41 53 66 2 (Rayleigh) 25 (Shea [...]

Chapter 3. Programming Sit e Data 26 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2.1 Parameters for Special Transducers Note: The factory will supply the inform ation r e quir ed below with the transducers. 3. The prompt asks for the transducer frequency , to transmit a signal at a frequency to which the transducer can resp[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 27 3.2.1 Parameters for Special Transducers (cont .) Note: If the err or message in Figur e 12 be low , or one similar to Figur e 13 on page 28 appears, the Pipe Soundspeed, W edge Soundspeed, and/or the W edge Ang l e may be in err or . Review the [...]

Chapter 3. Programming Sit e Data 28 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2.1 Parameters for Special Transducers (cont .) Figure 13: Low Angle Error Message Window Note: When the corrected information is enter ed, a message similar to Figur e 14 appears. Pr ess [F3] (OK) . T ransducer/Pipe Cancel OK Invalid V alue - [...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 29 3.2.1 Parameters for Special Transducers (cont .) Figure 14: T ransducer Spacing Change W indow 6. The PT878 must also take into account the wedge temperature. a. From the W edge Angle prompt, press the [ T ] key to reach the W edge T emperature [...]

Chapter 3. Programming Sit e Data 30 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.2.2 Conf irming Entries • T o confirm the entries and return to Operate mode, press [F3] (OK ). • T o leave the window without confirming t he entries, press [F2] (Cancel) or the [ESC] key . In either case, the PT878 returns to Operate Mode[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 31 3.3 Entering Pipe Parameters (cont .) 1. The first prompt asks you to select the pipe material. a. Press [ENTER] to enter the material prompt. b. A drop-down list of materials opens. T able 5 below lists the available preprogrammed materials on t[...]

Chapter 3. Programming Sit e Data 32 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.3 Entering Pipe Parameters (cont .) d. If you have selected “O ther ,” the meter p rompts you to enter the soundspeed. Use the numeric keys to type the desired soundspee d in the text box, and press [ENTER] to confirm the choice. Note: If t[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 33 3.3 Entering Pipe Parameters (cont .) Figure 17: T ransducer Spacing Change W indow 2. The next prompt ask s if you wish to measure the p ipe wall with the internal thickness gauge. If you press [ENTER] , the program moves to the T -Gauge Display[...]

Chapter 3. Programming Sit e Data 34 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.3 Entering Pipe Parameters (cont .) If you select a material that u ses the Diameter alternative: a. Y ou must select from two choices, outside diameter or circumference. • The prompt moves to the OD (outside diameter) text box. T ype the thi[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 35 3.3 Entering Pipe Parameters (cont .) • T o confirm the entries and return to Operate Mode, press [F3] (OK). • T o leave the window without confirming t he entries, press [F2] (Cancel) or the [ESC] key . In either case, the PT878 returns to O[...]

Chapter 3. Programming Sit e Data 36 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.4 Entering Pipe Lining Parameters (cont .) 1. The PT878 first prompts you to select the pipe lining material. a. Press [ENTER] to open the drop-down list of lining materials. b. Scroll to the appropriate material . If y ou do not see your linin[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 37 3.5 Entering Fluid Types and Speeds T o access the Fluid option, scroll to the Fluid entry on the Program Menu and press [ENTER] . (If you are already in the T ransducer/Pipe form, press the [ X ] arrow key to reach the Fluid window , and press [[...]

Chapter 3. Programming Sit e Data 38 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.5 Entering Fluid Ty pes and Speeds (cont .) 2. Next, you must select the fluid type. a. Press [ENTER] to open the drop -down menu. T able 6 below lists the available choices, which vary w ith your selection of T racking W indows or the Ener gy [...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 39 • T o confirm the entries and return to Operate Mode, press [F3] (OK).The PT878 returns to Op erate Mode. • T o leave the window without confirming t he entries, press [F2] (Cancel) or the [ESC] key . The PT878 returns to Operate Mode. • T [...]

Chapter 3. Programming Sit e Data 40 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.6.1 Path Parameters for Clamp-On Transducers Note: For wetted transducers, go to page 41. If you are using clamp-on transducers, the PT878 path menu includes two parameters: • Tr a v e r s e s • Spacing 1. The PT878 first prompts for trav e[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 41 3.6.2 Path Parameters for Wetted Transducers If you are using wetted transdu ce rs, the PT878 path me nu incl udes the following set of parameters: • Path Length • Axial Length 1. The meter first prompts for the path le ngth (P) of the ultras[...]

Chapter 3. Programming Sit e Data 42 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7 Entering t he Ener gy Option Paramete rs The Energy Option enables you to calculate the energy of a system ba sed on the temperature at a supply point, the te mperature at a return point, and the flow of fluid throug h the system. T o enter t[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 43 3.7 Entering the Energy Option Paramet ers (cont . ) 2. The next prompt asks if you are using a heating or cooling system. a. Use the [ W ] and [ X ] keys to scroll to the appropriate radio button. b. Press [ENTER] to confirm your selection. 3. T[...]

Chapter 3. Programming Sit e Data 44 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7.1 Entering Inputs in the Energy Option T o enter input parameters in the Ener gy Option, return to the Energy Option tab at the top of the Ener gy Option window . Press the [ X ] arrow key to reach the Inputs window , and press [ENTER] . The [...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 45 3.7.1 Entering Inputs in th e Energy Option (cont .) 2. The next prompt depen ds on whether you have selected a fixed or an active supply . • If you have selected a fixed supply , the PT878 asks for the desired temperature. Use the numeric keys[...]

Chapter 3. Programming Sit e Data 46 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7.1 Entering Inputs in th e Energy Option (cont .) • T o confirm the entries and return to Operate mode, press [F3] (OK ). The PT878 returns to Op erate Mode. • T o leave the window without confirming t he entries, press [F2] (Cancel) or th[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 47 3.7.2 Entering Custom Cp Data in the Energy Option (cont .) 1. The first prompt ask s if you wish to enter or edit data in the Custom Cp (enthalpy) table. a. Press [ENTER] to open the Custom Cp table, shown in Figu re 24 on page 47. b. Use the nu[...]

Chapter 3. Programming Sit e Data 48 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.7.2 Entering Custom Cp Data in the Energy Option (cont .) 2. The next prompt ask s from which source — a fixed value or tabl e — the PT878 will use for fluid density values. Use the [ W ] and [ X ] keys to scroll to the appropriate radio bu[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 49 d. Repeat steps b and c for the remainder of the table. e. When you have completed entering up to 2 0 values, press [F3] (OK) to confirm the table and return to the Custom Cp window . • T o confirm the entries and return to Operate mode, press [...]

Chapter 3. Programming Sit e Data 50 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.8 Entering Analog Inputs The Analog Input option enables you to specify parame ters for general purpose or ener gy inputs. T o enter the Inputs option, scroll to the Analog Input entry on the Program Menu and press [ENTER] . If you have not ena[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 51 3.8.1 Entering General-Purpose Analog Inputs (cont .) 2. The next prompt asks if you want to label the input. a. Press [ENTER] to enter the text box. The text creation window appears, as shown in Figure 27 below . Figure 27: T ext Cr eation Windo[...]

Chapter 3. Programming Sit e Data 52 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.8.1 Entering General-Purpose Analog Inputs (cont .) 3. The next prompt a sks you to create a label for the units, if desired. (This label will appear to the right of th e zero and span v alue boxes.) Pres s [ENTER] to reopen the text creation w[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 53 3.8.2 Entering Analog Inputs in the Energy Option (cont .) The screen displays the function (sup ply or return temperature), label (supply or return temperatur e) and units selected in the Inputs form of the Energy Option (see page 44). Y ou cann[...]

Chapter 3. Programming Sit e Data 54 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.9 Entering the Analog Output The Analog Output opti on enables yo u to enter information to set up output parameters. T o enter the option, scro ll to the Analog Output entry on the Program Menu and press [ENTER] . The screen appears similar to[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 55 3.9 Entering the Analog Output (cont .) 2. The next prom pt asks you to select th e analog output typ e from a list of choices, as shown in Figure 30 below . Figur e 30: Data Sour ce Selection Window a. Press [ENTER] to open the window . b. Scrol[...]

Chapter 3. Programming Sit e Data 56 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.9 Entering the Analog Output (cont .) 3. The next prompt ask s you to enter the zero (base) value for the analog output. This value represents the 0/4 mA ou tput (in flow units). a. Press [ENTER] to open the text box. b. Use the numeric keys to[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 57 3.10 Entering the Digital Output While resembling the Analog Output option, the Digital Output option enables you to set up parameters neces sary for a digital output. T o enter the option, scroll to the Digital Output entry on the Program Menu a[...]

Chapter 3. Programming Sit e Data 58 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.10 Entering the Digital Output (cont .) a. Press [ENTER] to open the drop-dow n menu. b. Scroll to the desired function. c. Press [ENTER] to confirm your selection. Note: If you select Off, you will not be able to access an y other parameters i[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 59 3.10 Entering the Digital Output (cont .) a. Press [ENTER] to open the text box. b. Use the numeric keys to enter the desired value. c. Press [ENTER] to confirm your selection. For Polarity: a. Press [ENTER] to open the drop-dow n menu. b. Scroll[...]

Chapter 3. Programming Sit e Data 60 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.10 Entering the Digital Output (cont .) If you enter ed Gate Input: Note: Gate Input is used to synchr on ize the totalizer with the meter calibration system (discussed on page 67). The gate stops and starts the meter totalizer , so that you ca[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 61 3.11 Entering User Functions User functions enab le you to progra m mathematical equations on each measurement. Y ou can also use any parameter in the meter to calculate a different parameter . T o enter the User Functions option, scroll to the U[...]

Chapter 3. Programming Sit e Data 62 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11 Entering User Functions (cont .) 2. The next prompt asks you to create a label for the function. The label corresponds to the measu rement type (i.e., velocity or temperature), while the units symbol corresponds to the measurement units (i.e[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 63 3.11 Entering User Functions (cont .) d. When you have completed the label, press [F3] (OK) to confirm the label, or [F2] (Cancel) to leave the wind ow without adding the label. 3. The next prompt asks for the Units Symbol. a. Press [ENTER] to re[...]

Chapter 3. Programming Sit e Data 64 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11 Entering User Functions (cont .) Figure 34: Function Cr eation Window c. T o enter a particular measured parameter into t he equation, click on the MODE symbol in the middl e of the third row . The Data Source Selection window (shown in Figu[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 65 3.11.1 Entering Correction Factors The final option in the Pr ogram Menu, Correction Facto rs, allows you to enter and modify three correctio n factors: Reynolds Correction, Kinematic V iscosity and Calibration Factor . T o enter the Correction F[...]

Chapter 3. Programming Sit e Data 66 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11.2 Entering Reynolds Correction (cont .) 1. The first prompt asks if you want to en ab le the Reynolds Correction factor , a number based on the Ki nematic V isc os ity and flow rate of the fluid. Note: If you are using clamp-on transduc ers,[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 67 3.11.3 Entering a Calibration Fact or The Calibration Factor is used to calib rate or adjust the readings of the PT878 to another flow reference. T o en ter a Calibration Factor , return to the Reynolds Correction tab at the top of the Correction[...]

Chapter 3. Programming Sit e Data 68 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11.3 Entering a Calibration Fact or (cont .) 3. The following steps depend on whether you select a single value or a table. If you enter ed Single: The prompt asks for a value. This fe ature enables a single multiplier to be applied to the flow[...]

Chapter 3. Programming Site Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 69 3.11.3 Entering a Calibration Fact or (cont .) If you enter ed T able: The menu asks, first for the data source , and then for the entry of values into the Correction Factor table. This feature allows the user to “curve fit” velocity calibrat[...]

Chapter 3. Programming Sit e Data 70 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 3.11.3 Entering a Calibration Fact or (cont .) b. Use the numeric keys to enter the desired value for the data source, and press [ENTER] to confirm the entry . c. Press the [ X ] key to move to the KFac tor column. Use the numeric keys to enter t[...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 71 Chapter 4. Creating and Managing Sites As mentioned in Chapter 1, the PT878 can store site data in files for current and future access. (T o learn how to program setup data, refer to Chapter 3, Pr ogramming Site Data .) After you ans wer t[...]

Chapter 4. Crea ting and Managing Sites 72 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1 The Site Manager From the Site Menu, press [ENTER] to open the Site Manager . The screen appears similar to Figure 39 below . Figure 39: Si te Manager W indow Note: Each PT878 com es pr epr ogrammed with a basic site, Default , which se[...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 73 4.1 The Site Manager (cont .) Figure 40: Site Manager Menu Depending on the choice made above, proceed as follows: • T o create a new site, go to page 74. • T o op en an existing site (thus replacing the current site), go to page 76. ?[...]

Chapter 4. Crea ting and Managing Sites 74 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1 The Site Manager (cont .) Y ou can arrange files from the S ort submenu (shown in Figure 55 on page 88) • T o sort files by name, go to page 88. • T o sort fil es by date, go to page 88. 4.1.1 Creating a New Site Note: Be sur e you [...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 75 4.1.1 Creating a New Site (cont .) 2. Repeat this procedure until you have cr eated the desired site name of up to eight characters. (Press [F1] , Delete, to remove any unwanted letters or numbers.) 3. When you have finished, press [F3] (O[...]

Chapter 4. Crea ting and Managing Sites 76 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.2 Opening an Existing Site If you want to return to a si te you have previo usly saved, first highlight the replacement site in the left window of the Site Manager . Then press [MENU] to open the File Me nu. Scroll to the Open option, a[...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 77 4.1.3 Saving a Site Y ou can save the current site in one of two ways: • From the Site Menu, you can scro ll down to the Save Now option and press [ENTER] , or • From within the Site Manager , press [MENU] to open the File Menu, scroll[...]

Chapter 4. Crea ting and Managing Sites 78 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.4 Saving a Site with a Different Name If you want to save the current site w ith a different name, open the Site Manager , press [MENU] to open the File Menu, sc roll to the Save As option, and press [ENTER] . The screen appears similar[...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 79 4.1.5 Refr eshing a Site Y ou can refresh a site (updating the display with the most current information) in one of two ways: • Press [F2] , Refresh, to refresh the highlighted file. • From the File Menu, scroll to the Refresh option a[...]

Chapter 4. Crea ting and Managing Sites 80 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.7 Deleting a Site T o delete a site in the Site Manager , first be sure you have highlighted that site in the left window of the Site Manager . Then press [MENU] to open the File Menu, scroll to the Delete option, and press [ENTER] . Th[...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 81 4.1.8 Creating a Site Message The Site Message option allows you to add an explanatory message (with up to 30 characters or spaces) for an y given site. T o create a site message: 1. Press [MENU] to enter the File Menu. Then press the [ X [...]

Chapter 4. Crea ting and Managing Sites 82 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.8 Creating a Site Message (cont .) Figur e 49: Te xt Creat ion Window 3. Use the four arrow keys to scroll to the desire d letter or symbol, an d press [ENTER] to add the letter to the message. Note: Pressing [SEL] causes the scr een to[...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 83 4.1.9 Printing a Current Site T o print the current site from within the Site Manager , press [MENU] to open the File Menu. Th en p ress the [ X ] arrow key once to scroll from the File Menu to the Site Menu. Scroll to the Print option, an[...]

Chapter 4. Crea ting and Managing Sites 84 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.10 T ransferring a Site to a PC (cont .) The screen shows a mess age indicating that the PT878 is searching for an infrared device. (If the PT878 cannot de tect an infrared device, a window appears indicating this problem, and as ks if [...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 85 4.1.12 T ransferring a File from a PC t o the PT878 Once you have stored site or meter file s to a PC, you can th en transfer them back to the PT878 over an IR senso r (connected to the PC) through the PT878 IR interface. The PT878 only ac[...]

Chapter 4. Crea ting and Managing Sites 86 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.12 T ransferring a File fr om a PC t o the PT878 (cont .) For W indows 95/98/2000: • Click on the Infrar ed icon in the System T ray of your PC, as shown in Figure 52 below . Figure 52: Infrared Icon in System Tray The W ir eless Link[...]

Chapter 4. Crea ting and Managing Sites Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 87 4.1.12 T ransferring a File fr om a PC t o the PT878 (cont .) • From W indows Ex plor e r , right-click on the selected file. Select Send To  Infrared Recipient or Nearby Computer . For W indows 2000, you can also drag the selecte d f[...]

Chapter 4. Crea ting and Managing Sites 88 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 4.1.13 Listing Files by Name If you want to list your files alphabetically by site name within the Site Manager , press [MENU] to open the File Menu. Then press the [ X ] arrow key twice to scroll from the File Me nu to the Sort Menu, shown[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 89 Chapter 5. Displaying and Conf iguring Data The PT878 allows you to view from one to four dif ferent measurement parameters simultaneously . The screen can show these parameters not only in numeric format, but as line or bar graphs as [...]

Chapter 5. Displaying and Co nf iguring Data 90 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.1 The Format Option The first option on the me nu , Format, allows you to specify the ty pe of notation and the number of decimal places for the measurement in that window . Press [ENTER] and the su bmenu shows two option s, Decimal [...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 91 5.1 The Format Option (cont .) 2. The second step asks you to choose the number of decimal places to be displayed. A vailable choices range from 0 to 4 places. a. Press [ENTER] to open the drop-down list. b. Scroll to the appropriate n[...]

Chapter 5. Displaying and Co nf iguring Data 92 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.2 The View Option The second option, V iew , allows yo u to select the presentation of a parameter in one of three formats: numeric, lin e graph or bar graph. 1. From the Display Menu, press the [ X ] key once to reach the V ie w opt[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 93 5.3 The Limits Option Once you have configured a parameter as a line o r bar graph, you might need to change its presentation or va lues. The Limits option (replacing the Format option for line and b ar graphs) enables you to program t[...]

Chapter 5. Displaying and Co nf iguring Data 94 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.3 The Limits Option (cont .) 5. The first prompt asks for the minimum value shown in the graph. a. Press [ENTER] to open the text box. b. Use the numeric keys to enter the desired value. c. Press [ENTER] to confirm the value. 6. Repe[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 95 5.4 The Measurem ent Option On occasion, you migh t n eed to change the actual parameter measured in a given window .The Measurement optio n enables you to reconfigure the window with one of five categories of data source (v elocity , [...]

Chapter 5. Displaying and Co nf iguring Data 96 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.4 The Measurement Option (cont .) Figure 60: Measur ement Menu Wi ndow Program ming Select Mea surement Cancel OK Vo l u m e Amplitude Up Delta-T Ve l o c i t y Fwd T otalizer Rev T otalizer Diagnostics No Uni t Amplit ude Down T Up [...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 97 5.5 Customizing the Display Screen Y ou might wish to display one or two parameters, or cus tomize the soft keys to quickly access particular menus. The Site Menu enables you to make more comprehensive changes in your display screen. T[...]

Chapter 5. Displaying and Co nf iguring Data 98 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 5.5.1 Specifying the Number of Displayed P arameter s As mentioned earlier , the PT878 ca n display one to four diff erent measurement parameters simultaneously . However , sometimes you might wish to display only o ne or two parameter[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Li quid Flowmeter User ’s Manual 99 5.5.2 Customizing Softkeys When the screen is in Operate Mode, you might wish to access a particular submenu frequently without the tro uble of scrolling through menus. Customizing the softkeys ( [F1] , [F2] and [F3] ) allows you to ac[...]

Chapter 5. Displaying and Co nf iguring Data 100 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.5.2 Customizing Softkeys (cont .) Figure 64: Conf igure FK ey Window 3. Press [ENTER] to open the menu drop-down l ist. Then use the [ T ] or [ S ] arrow keys to scroll to the desired submenu (for example, Contrast). 4. Press [ENTE[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 101 5.5.2 Customizing Softkeys (cont .) Figur e 65: Display Screen with Modi f ied Softkey • T o clear a softkey: 1. From the Site Menu (shown in Fi gure 61 on page 97), use the [ T ] or [ S ] arrow keys to move to the FKeys entry on the[...]

Chapter 5. Displaying and Co nf iguring Data 102 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6 Managing Files — The Drive Manager On occasion, you might wa nt to review , print or transfer some or all of the files in the PT878. The Drive Manager allows you to view all t he files stored in the meter . While following the [...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 103 5.6 Managing Files — The Drive Manager (cont .) Figure 67: File Mana ger Menu T o transfer , refresh or delete a file, firs t be sure the file is highlighted in the window on the left. Then press [MENU] to open the File Menu, and scr[...]

Chapter 5. Displaying and Co nf iguring Data 104 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6.1 Transferring a F ile to a P C T o upload a log, meter , bitmap or site file to a PC: 1. Check that the Co mmunications option on the PT878 (see page 123) has been set to the IrDA protocol, a nd that the IR beam on the PT878 has[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 105 5.6.2 Transferring a F ile from a PC t o the PT878 Once you have stored site or meter file s to a PC, you can th en transfer them back to the PT878 over the IR interface . The PT878 only accepts files with a .sit (site) or .met (meter)[...]

Chapter 5. Displaying and Co nf iguring Data 106 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6.2 Transferring a F ile from a PC t o the PT878 (cont .) QuickBeam opens a window indicating that it is downloading the file. When the download is complete, the me ter returns to the Drive Manager . If you close and reopen the Dri[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 107 5.6.2 Transferring a F ile from a PC t o the PT878 (cont .) • From W indows Ex plor e r , right-click on the selected file. Select Send To  Infrared Recipient or Nearby Computer . In W indows 2000, y ou can also drag the selected [...]

Chapter 5. Displaying and Co nf iguring Data 108 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.6.4 Deleting a File T o delete a file in the File Manager , first be sure you have highlighted that file in the left window of the File Manager . Then press [MENU] , scroll to the Delete option, and press [ENTER] . The screen appea[...]

Chapter 5. Displaying and Conf iguring Data Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 109 5.6.5 Listing Files by Name If you want to list your files alphabeti cally by site name within the File Manager , press [MENU] to open the File Menu. Then press the [ X ] arrow key to scroll from the File Menu to the Sort Menu, shown i[...]

Chapter 5. Displaying and Co nf iguring Data 110 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 5.7 Accessing Meter Data —The About Option The About option di splays useful info rmation concerning the model number and software version of any given PT878. While the wind ow normally appears briefly at startup, users migh t want[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 111 Chapter 6. Programming Meter Settings Along with display formats and site data, PT878 users can program global settings for the meter that suit their individual preferences. The global settings include: • English or Metric measurement uni[...]

Chapter 6. Programming Met er Settings 112 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.1 Entering t he Meter Menu T o enter the Meter Menu, press the [MENU] key at the lower right of the PT878 keypad. The Main Menu replaces the Status Bar at the top of the screen. Press the [ X ] arrow key twice to scroll from the Site Men[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 113 6.2 Selecting Measurement Units The first option, Units, enables you to select either English or Metric units as global measurement units for the PT8 78. The selected units then become the default settings fo r every measurement th at has t[...]

Chapter 6. Programming Met er Settings 114 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.3 The Battery Charger The Battery option allows you to monito r the current run time and status of the internal rechargeable batteries, as well as to condition NiCad batteries to maintain the maximum life possible . Conditioning NiCad ba[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 115 6.3 The Batter y Char ger (cont .) 3. T o condition the batteries, press the [ENTER] key . The “Condition Battery” window should now read “Stop.” The stat us line should change to “Discharging.” (Updating the status could take u[...]

Chapter 6. Programming Met er Settings 116 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.4 Entering Date and T ime (cont .) 4. T wo alt ern ati ve s are availa bl e to change a highlighted number: • Use the numeric keys to enter the desired number . • Use the [ T ] or [ S ] arrow keys to scroll, in 1-digit increments, to[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 117 6.5 Changing Date and T ime Appearance In addition to setting the correct date and time, you can also change its presentation to suit local preference s. Y ou can select a time display of AM/PM or 24-hour time. T o alter the time and date d[...]

Chapter 6. Programming Met er Settings 118 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.5 Changing Date and T i me Appearance (cont .) 2. The first series of prompts asks y o u to select separator symbols for the date, time and decimal. Y ou can ch oose from a dash, comma and slash (/) for the date; from a period and co lon[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 119 6.5 Changing Date and T ime Appearance ( cont .) A line at the bottom, the Date/T ime, Decimal Formats , displays how the format and separator selections will appear on the screen. Pressing the [ T ] arrow key returns the PT878 to the Local[...]

Chapter 6. Programming Met er Settings 120 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.6 Adjusting the Contrast For more comfortable viewing in a particular environment, the PT878 enables you to adjust the screen cont rast. T o adjust the screen contrast: 1. From the Meter menu, scroll to the Contrast entry and press [ENTE[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 121 6.6 Adjusting the Contrast (cont .) • T o confirm the entries and return to Operate Mode, press [F3] (OK). The PT878 returns to Op erate Mode. • T o leave the window without confirming t he entries, press [F2] (Cancel) or the [ESC] key [...]

Chapter 6. Programming Met er Settings 122 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.8 Changing the Display Language IMPORT ANT: T o use this option, you must have pr eviously loaded a language translation file into the PT878. The PT878 of fers the selection of sev eral languages for its display . T o change the display [...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 123 6.8 Changing the Disp lay Language (cont .) The meter restarts in Operate Mode in the desired language. Figure 8 2 below illustrates a French version of the display shown in Figure 58 on page 92. Figure 82: Fr ench Version of T ypical Displ[...]

Chapter 6. Programming Met er Settings 124 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.9 Changing Communications Settings (cont .) 1. From the Meter menu, scroll to th e Communications entry and press [ENTER] . The Communications window appears similar to Figure 83 below . Figure 83: Communications Window 2. The first prom[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 125 6.9 Changing Communications Settings (cont .) Note: For mor e information on loadin g softwar e update s via IrDA, see Chapter 8, Servicing the PT878 , page 195. 4. The program now asks for th e baud rate. The default rate is 9600 bps. a. P[...]

Chapter 6. Programming Met er Settings 126 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.10 Resetting Forward and Re verse Totals On occasion, it might be necessary to clear and reset the forward and reverse totals computed by the Forwa rd and Reverse T otalizers. T o reset the totals: 1. From the Meter menu, scroll to the T[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 127 6.11 Setting Up User Tabl es When you program user functions (see page 61), you can also support them with up to six user tables of no n-linear or empirical data. T o program one or more user tables: 1. From the Meter menu, scroll to th e U[...]

Chapter 6. Programming Met er Settings 128 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.11 Setting up User Tables (cont .) 3. The next step is to create a T able ID. a. Press [ENTER] to open the window . The screen now appears similar to Figure 86 below . Figure 86: T ext Cr eation Window b. Use the four arrow keys to scrol[...]

Chapter 6. Programming Mete r Settings Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 129 6.11 Setting up User Tables (cont .) 4. The final prompt asks you to enter or change data in the user table. a. Press [ENTER] to open the window . The screen appears similar to Figure 87 below . Figure 87: Edit User T able W indow b. Use th[...]

Chapter 6. Programming Met er Settings 130 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 6.11 Setting up User Tables (cont .) The program returns to the Edit T ables window . • T o confirm the entries and return to Operate Mode, press [F3] (OK). The PT878 returns to Op erate Mode. • T o leave the window without confirming [...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 131 Chapter 7. Logging Data A powerful and flexible feature of th e PT878 is data lo gging. The meter enables you to choos e up to 12 parame ters to log. Y ou ca n also select the start time and date , end time and date, and time interval. Logs can run one [...]

Chapter 7. Logging Data 132 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.1 Entering the Logging Menu T o enter the Logging Menu, press the [M ENU] key at the lower right of the PT878 keypad. The Main Menu replaces the Status Bar at the top of the screen. Press the [ X ] arrow key three times to scroll from the Site Menu to [...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 133 7.2 The Log Manager The Log Manager of fers users a way to check the status and memory size of all the logs currently pend ing, running or finish ed. T o select Log Manag er , scroll to the Manager entry on the Logging Menu and press [ENTER] . The scree[...]

Chapter 7. Logging Data 134 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3 The File Menu The File menu allows you, not only to create new logs, but also to copy , rename or delete logs, as well as to prin t them or trans f er them to a PC. T o open the File Menu from the Log Mana ger , press the [MENU] key and th en [ENTER][...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 135 7.3.1 Setting up a New Log The New Log opti on enables you to crea te and set up parameters for a new log. Y ou can access this option in two ways: • by scrolling to the New Log option in the Logging Menu (as shown in Figure 88 on page 132) and pressi[...]

Chapter 7. Logging Data 136 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.1 Setting up a New Log (cont .) Figur e 92: General Log Format Window T o step through each parameter , press the [ T ] key . 1. The first prompt asks you to choose be tw ee n a linear or circ ul ar form at for the log. a. Use the [ W ] and [ X ] key[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 137 7.3.1 Setting up a New Log (cont .) 3. The next prompt ask s for the starting date and time. a. Press [ENTER] to enter the text box. The meter highlights the first number . Use th e [ W ] and [ X ] keys to scroll to an y number you wish to change, or th[...]

Chapter 7. Logging Data 138 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.1 Setting up a New Log (cont .) Figure 93: Log Measur ements W indow T o step through each entry , pres s the [ T ] key . 1. Press [ENTER] to open the first entry . The Select Me asurement window opens, as shown in Figure 94 on page 139. General Ns M[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 139 7.3.1 Setting up a New Log (cont .) Figure 94: Select Measurement Window 2. Scroll to the desired output type. 3. Press [SEL] to confirm your selection. 4. The prompt then moves to a list of unit types. (The available units depend on the selection made [...]

Chapter 7. Logging Data 140 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.2 Copying (Cloning) a Selected Log In the Clone Selected Log option, you can copy the parameters of a particular log, modify the p aram eters , and start the copy . T o copy a log, 1. First, select the log you wish to copy in the Log Manager (shown i[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 141 7.3.3 Renaming a Log T o rename a log: 1. First, select the log you wish to re name in the Log Manager (shown in Figure 89 on page 133)). 2. Then open the File Menu, scroll to the Rename option, and press [ENTER] . 3. The Rename Log window open s. (Exce[...]

Chapter 7. Logging Data 142 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.4 Deleting a Log (cont .) Figure 95: Delete Conf irmation W indow 7.3.5 Deleting All Logs T o clear the Log Manager and memory of all logs, open the File menu, scroll to the Delete All Logs option, and press [ENTER] . A window opens, asking, “Delet[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 143 7.3.7 Printing a Log T o print a file from the Log Manager: 1. Highlight the desired log in the windo w on the left of the Log Manager . 2. Press [MENU] , scroll to the Print option, and press [ENTER] . 3. The Enter T ime window opens, as shown in Figu [...]

Chapter 7. Logging Data 144 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.3.7 Printing a Log (cont .) The PT878 shows a message indicating th at its infrared sensor is looking for a printer . (If the sensor spots no pr inter , a window appears with this message. If it spots two printers within its range, it asks you to selec[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 145 7.4 The Log Menu The Log Menu allows y ou to pause, rest art or end any or all logs that are currently pending or ru nning. (However , you cannot restart any finished logs, even if they were finished befo re the programmed end time.) T o open the Log Me[...]

Chapter 7. Logging Data 146 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.4.1 Stopping (Pausing) a Log T o stop a log that is curre ntly pending or running, 1. First, select the log you wish to pause in the Log Manager (shown in Figure 89 on page 133). 2. Then open the Log Menu, scroll to the Pause option, and press [ENTER] [...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 147 7.4.4 Stopping All Logs T o stop al l log that are currently pend ing or running, open the Log Menu, scroll to the Pause All Logs option, and press [ENTER] . The PT878 returns to the Log Manager , which displays all log programm ed to run now or in the [...]

Chapter 7. Logging Data 148 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.5 The View Menu Through the V iew menu, you ca n view the data of individual logs in graphical or spreadsheet formats. T o open the V iew menu from the Log Manager , press [MENU] . Scroll to the V iew menu, and press [ENTER] . The screen appears simila[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 149 7.5.1 Displaying Log Details T o view details of a given log, be su re the log is highlighted in the left window of the Log Manager . Then scroll to the V iew menu and press [ENTER] . Scroll to the Details option and press [ENTER] . The screen now appea[...]

Chapter 7. Logging Data 150 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.5.2 Displaying Log Data in Graphical Form T o view a log in graphical form, be su re the log i s highlighted in the left window of the Log Manager . Then scroll to the V iew menu and press [ENTER] . Scroll to the Graph option and press [ENTER] . Figure[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 151 7.5.2 Displaying Log Data in Graphical Form (cont .) Figure 101: Y-Axis Window The Y -Axis window (shown in Figure 101 above) allows you to specify whether the Y axis on the graph extend s to the maximum value (Max), over the entire range ( Range) or be[...]

Chapter 7. Logging Data 152 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.5.2 Displaying Log Data in Graphical Form (cont .) If you wish to alter the time scale, press [F2] (T ime). The Enter T ime window appears similar to Figure 102 below . Figure 102: Enter T ime Wi ndow 1. Use the arrow keys to scroll to the desired text[...]

Chapt er 7. Logging Da ta Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 153 7.5.3 Displaying Log Data in Spreadsheet Fo rm T o view a log in spreadsheet form, be su re the l og is highlighted in the left window of the Log Manager . Then scroll to the V iew menu and press [ENTER] . Scroll to the Spreadsheet option and press [ENT[...]

Chapter 7. Logging Data 154 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 7.6 The Sort Menu The Sort Menu wi thin the Log Manager allows you to arrange your log list either alphabetically (By Name) or chronologically (By Date). Figure 104: Sort Menu in the Log Manager 7.6.1 Listing Logs by Name If you want to list your logs al[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 155 Chapter 8. Servicing the PT878 For user convenience, the PT878 offers a Service Menu. Thi s menu enab les users to perform a variety of functio ns that they might occasio nally require: • print out reports • set up and view the thickness gau[...]

Chapter 8. Ser vicing the PT878 156 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.1 Entering the Ser vice Menu T o enter the Service Menu, press the [MENU] key at the lower right of the PT878 keypad. The Menu Bar replaces the Status Bar at the top of the screen. Press the [ X ] arrow key four times to sc roll from the Site M[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 157 8.2 Printing Report s When used with an IR-compatible prin ter , the PT878 can print out a variety of data (current site, logs, drive co ntents, and user functions, tables, and settings) in the Reports option. T o en ter the Reports option, scro[...]

Chapter 8. Ser vicing the PT878 158 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.2 Printing Reports (cont .) Figure 107: Printout of a Typical Driv e Report[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 159 8.3 Setting up the Thickness Gauge For greatest accuracy in flow applic ations, the PT878 can measure pipe wall thickness using an optional thickness ga uge transducer , instead of relying on the nominal pipe wall thickness. In Thickness Gauge m[...]

Chapter 8. Ser vicing the PT878 160 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4 Measuring Pipe Wall Thickness 8.4.1 Entering the Mat erial and Soundspeed IMPORT ANT: The factory r ecommends calibrating the thicknes s gauge periodically (as discussed on page 165) before measuring thickness. T o enter the Thickness Gauge D[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 161 8.4.1 Entering the Mat erial and Soundspeed (cont .) If you have selected a preprogram med material, you have completed entering data in this window . Pressing the [ T ] key returns the program to the Material tab. But if you selected “Other ,[...]

Chapter 8. Ser vicing the PT878 162 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.2 Measuring Thickness in Numeric Format T o measure the actual thickness of a pipe, hold the calibrated transducer steady , press the [ W ] or [ X ] arrow key until you reac h the Display tab and press [ENTER] . The T -Gauge Display op tion s[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 163 8.4.3 Displaying the Receive Signal in Graphical Format Used chiefly for diagnostic purposes , the Graph opt ion helps to determine why the thickness ga uge is not working if you suspect a problem. The graph shows an image of the acoustic signal[...]

Chapter 8. Ser vicing the PT878 164 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.3 Displaying the Receive Signal in Graphical Format (cont .) Figure 111: Graph Window in Zoom F ormat • Press [F1] (In) to zoom in to magnify screen details. • Press [F2] (Out) to zoom out fully . • Press [F3] to toggle between the left[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 165 8.4.4 Calibrating the Thickness Gauge T ransducer T o zero the transducer of fsets, go to the Zero tab. Press the [ W ] or [ X ] arrow key until you reach the Zero tab and press [ENTER] . The screen appears similar to Figure 112 below . Fi gure [...]

Chapter 8. Ser vicing the PT878 166 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Dual-Point Calibration (cont.) 1. Press the [ T ] arrow key to enter the window . 2. The first prompt asks you to choo se between single and dual-point calibration. Use the [ W ] and [ X ] arrow keys to mo ve to the Dual radio button and press [E[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 167 Dual-Point Calibration (cont.) IMPORT ANT: Be sur e to hold the transd ucer steady until the GE wait cursor disappears. 10. Use the [ S ] key to return to the Zero tab, and then scroll to the Display tab (page 162) to confirm the bloc k length w[...]

Chapter 8. Ser vicing the PT878 168 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.5 Calculating Velocity (Pipe Material Soundspeed) The nominal soundspeed for your pipe material will give thickness measurements of reasonable accuracy . Howeve r, for greater accuracy , calibrate pipe material sound velocity . IMPORT ANT: Th[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 169 8.4.5 Calculating Velocity (Pipe Material Soundspeed) (cont .) 2. T o enter the block length (here, the thickness of the sample as measured with a caliper or calibrated sample), press the [ T ] arrow key and then press [ENTER] to open the Block [...]

Chapter 8. Ser vicing the PT878 170 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.4.5 Calculating Velocity (Pipe Material Soundspeed) (cont .) 7. The “Calculated” box shows the th ickness value measured. The PT878 asks for confirmation of the calcu lated and current values. Press [ENTER] to commit the calculated value, o[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 171 8.5 Programming the Thickness Gauge (cont .) Figure 115: Thickness Ga uge Programming Window 1. Press the [ T ] arrow key to enter the window . 2. The first prompt asks for the low signal threshold. If the signal strength falls below this value,[...]

Chapter 8. Ser vicing the PT878 172 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.5 Programming the Thickness Gauge (cont .) 4. The signal inversion prompt enab les you to invert the thickness transducer signal. Signal inversi on may be necessary if your thickness readings show unusual jitter , or for certain unusual combina[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 173 8.6 Displaying Diagnostic Parameters The Diagno stics option enables you to view current diagnostic parameters without having to o pen a display window in Operate M ode. T o enter the option, scroll to the Diagnostics en try on the Service Menu [...]

Chapter 8. Ser vicing the PT878 174 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.7 Calibrating the Analog Output and Inputs The Calibration option allows you to calib rate the analog output and in puts. T o enter the opti on, scro ll to the Calibrate entry on the Service Menu and press [ENTER] . The screen appears similar t[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 175 8.7.1 Calibrating the Analog Output (cont .) 1. Connect the digital multimeter to the analog output. 2. The next prompt ask s for the setpoint (4 or 20 mA). Use the [ W ] and [ X ] arrow keys to mo ve to the appropriate radio button and press [E[...]

Chapter 8. Ser vicing the PT878 176 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.7.2 Calibrating Inputs T o op en the Inputs window , press the [ X ] arrow key and press [ENTER] . The screen appears similar to Figure 1 18 below . Note: Calibrating the analog inputs r equ ir es use of a curr ent source. Figure 118: Inputs Wi[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 177 8.7.2 Calibrating Inputs (cont .) 4. Press the [ X ] arrow key to move to the Read box, and then press [ENTER] to read the low input. 5. The next prompt ask s for the value to which you want to set the high input (20 mA). a. Press [ENTER] to ope[...]

Chapter 8. Ser vicing the PT878 178 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.8 Setting up Signal Parameters The Signal Setup option enables you to set parameters th at affe ct the transducer signal: • Delta-T Offset • T ransmit Sample Size • Zero Cutoff • V elocity A veraging • Errors Allowed • Peak Detectio[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 179 8.8.1 Setting up Signal Parameters 1. Press the [ T ] arrow key to enter the window . 2. The first prompt asks for the Delta-T of fs et. Delta-T is the difference between the upstream and downstream transit time of the transduce rs. The Delta-T [...]

Chapter 8. Ser vicing the PT878 180 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.8.1 Setting up Signal Parameters (cont .) 5. The next prompt asks for velocity aver ag ing. a. Press [ENTER] to open the drop-down list. b. Use the [ T ] or [ S ] arrow keys to scroll to the desired number of velocity measurements to average to[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 181 8.8.2 Setting up Peak Detection The PT878 can use two different meth ods to identify the peak of the received signal. In the “Peak” method , the peak is iden tified by testing a derivative of the signal. In the “Threshol d” method, the p[...]

Chapter 8. Ser vicing the PT878 182 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.8.2 Setting up Peak Detection (cont .) 1. The first prompt asks for the pe ak detection method. Use the [ W ] and [ X ] arrow keys to mo ve to the appropriate radio button and press [ENTER] . If you have selected th e peak det ection method , y[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 183 8.8.3 Selecting the Transmit Code The Pulse/Code tab allows users to se lect the transmit code used by the PT878 to make measurements. The defa ult option, “Auto,” directs the meter to select the optimal code, based on the pipe size. From th[...]

Chapter 8. Ser vicing the PT878 184 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.9 Setting Error Limits The Error Limits option enables you to set limits for an incoming signal. When the signal falls outside the prog rammed limits, an error indication appears. T o enter this option, scroll to the Error Limits entry on the S[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 185 8.9 Setting Error Limits (cont .) d. Press the [ X ] arrow key to move to the maximum signal box, and repeat steps a, b and c. e. Press the [ W ] arrow key to return to the minimum signal box, and the [ T ] key to move to the next limit. 2. The [...]

Chapter 8. Ser vicing the PT878 186 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.9.0 Setting Error Limits (cont .) Note: In the velocity and acceleratio n boxes, if the PT878 curr ently displays metric measur ements, th e F1 softkey displays the wor d “English.” If it displays English measur ements, the F1 softkey displ[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 187 8.10 The T est Option W ithin the Service Menu, th e T est option includes seven tests to ensure that the PT878 is performing properly: T est Screen, T est Keys, W atchdog T est, Impulse Response, W ave Sna ps hot, Simu late and Battery T e st.T[...]

Chapter 8. Ser vicing the PT878 188 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.10.1 T esting the Screen T o test the proper functioning of the PT878 screen, scroll to the T est Screen option in the T est Menu and press [ENTER] . The screen then shows the message, “Press Any Key T o Continue.” Once you press a key , a [...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 189 8.10.2 T esting the Keys The T est Keys option checks the functioning of the v arious keys on the keypad. T o start the test, sc roll to the T est Keys option on the T est Menu and press [ENTER] . The screen appears similar to Figure 125 below .[...]

Chapter 8. Ser vicing the PT878 190 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.10.3 T esting the Wat chdog T imer C ircuit The PT878 includes a watchdog timer ci rcuit. If a software error causes the meter to stop respondin g, this circu it automatically resets the meter . A properly function ing PT878 restarts if you run[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 191 8.10.4 Setting Impulse Response The Impulse Response o ption enables you to force the meter to transmit in one direction only , without changi ng the AGC setting. Y ou can then diagnose problems with transduc er , pipe, o r fluid co nfigurations[...]

Chapter 8. Ser vicing the PT878 192 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.10.4 Setting Impulse Response (cont .) 2. The second prompt asks for the percent of gain. a. Press [ENTER] to open the text box. b. Use the numeric keys to en ter the desired percentage. c. Press [ENTER] to confirm your entry . Y ou have comple[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 193 8.10.7 T esting the Batt ery The Battery T e st option provides add itional battery information for service troubleshooting. T o enter the option, sc rol l down to the Battery T est entry in the Service Menu and press [ENTER] . The screen appear[...]

Chapter 8. Ser vicing the PT878 194 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.11 Resetting to Factory Default Parameters For various reasons, you might wish to return the PT878 to its original settings. The Factory Defau lts option enables you to return the meter to its preprogrammed default settings. T o enter the optio[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 195 8.12 Updating PT878 Software By using a W indows-based PC with an infrared adapter , PT878 users can update the meter ’ s operating software without the need to change the hardware. This software can include the bootloader , FPGA software (tim[...]

Chapter 8. Ser vicing the PT878 196 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.12.1 Updating Software Via IrOBEX T o begin updating software via IrOBEX, scroll do wn to the Flash Update entry in the Service Menu and press [EN TER] . The screen appears similar to Figure 130 below . Figure 130: Flash Update Window • Press[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 197 8.12.1 Updating Software Via IrOBEX (cont . ) 5. The meter now asks if you wish to reload the flash memory via the infrared communications port. • Press [F1] (Y es) to begin reloading via OBEX, or • Press [F2] (No) to stop the reloading proc[...]

Chapter 8. Ser vicing the PT878 198 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.12.2a Setting up the P C Note: The use of Hyperterminal is shown her e as an example. If you ar e using a differ ent communications softwar e, see its manual for detailed instructions. 1. From the Sta r t M e nu , click Pr ograms/Accessories/Hy[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 199 8.12.2b Installing New S of twa re T o begin the loading procedure, scroll do wn to the Flash Update entry in the Service Menu and press [ENTER] . The screen appears similar to Figure 133 below . Figure 133: Flash Update Option 1. As shown in Fi[...]

Chapter 8. Ser vicing the PT878 200 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 8.12.2b Installing New So ftware (cont .) 2. The meter asks for confirmation. Re peat the options shown in S tep 1 above. The screen on both the PC an d the PT878 now appears similar to Figure 134 below . Figure 134: Flash R eloading Window 3. Th[...]

Chapter 8. Ser vi cing the PT 878 Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 201 8.12.2b Installing New So ftware (cont .) 5. In the Hyperterminal windo w , pull down the T ransfer menu and cli ck Send File . A window opens similar to Figure 135 below . Figure 135: The Send File Window in the Transfer Menu 6. Click on the re[...]

Chapter 8. Ser vicing the PT878 202 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 203 Chapter 9. Diagnostics and Tr oubleshootin g The T ransPort is a reliable instrument that is easy to maintain. It will provide accurate flow measurement read ings as long as it is operated as described in this manual. If problems do ar[...]

Chapte r 9. Diagnostics an d Troubleshooting 204 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.1 Error Code Messages Error Code messages appear on the screen while you are displaying measurements. When logs appear in graph form, errors are indicated by a vertical gray bar at the point of erro r . When they appear in a spread[...]

Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 205 E3 Vel oci ty Ran ge - Velocity exceeds programmed l imits (Velocity limit is programmed usi ng the Service Me nu Error Limits option as describe d in Chapter 8.) Programming error , poor flow conditions , or bad transducer spa cing. M[...]

Chapte r 9. Diagnostics an d Troubleshooting 206 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.2 Displaying Diagnostic Parameters As part of its measurement menu, th e PT878 offers a list of diagnostic parameters to aid in troubleshooting in the event of flowcell, transducer , or electrical problems. Y ou can select any dia [...]

Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 207 Xmit Corr Up Displays raw upstream signal correlated with transmit signal. N/A N/A Xmit Corr Dn Displays raw downstr eam signal corr elated with transmit signal. N/A N/A Cross Corr Displays tran smit upstream signal corre- lated with t[...]

Chapte r 9. Diagnostics an d Troubleshooting 208 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.3 Flowcell Problems Flowcell problems fall into two categ ories: fluid problems and pipe problems. Read the following sections carefully to determine if such problems exist. 9.3.1 Fluid Problems Most fluid-related problems can be s[...]

Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 209 9.3.2 Pipe Problems Improper pipe conditions and/or flow cell installation can cause problems with fluid flow measurement. Check the items below if you suspect this class of problem. Contact the factory for unsolved pipe-related proble[...]

Chapte r 9. Diagnostics an d Troubleshooting 210 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.4 Transducer Problems Ultrasonic transducers are rugged. However , the y are subject to physical damage due to mishandling and chemic al attack. Clamp-on transducers are also subject to installation variabl es such as physical misa[...]

Chapter 9. Diagnostics and Tr oubleshooting Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 211 9.4.1 Wetted Transducer Pr oblems (cont .) 4. PHYSICAL DAMAGE T ra nsducers may be physically damaged by dropping them o nto a hard surface or striking them against anothe r object. Us ually the connector on the transducer is the part [...]

Chapte r 9. Diagnostics an d Troubleshooting 212 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 9.4.2 Clamp-on T ransducer Problems (cont .) 4. PHYSICAL DAMAGE T r a nsducers may be physically damaged by being dropped onto a hard surface or being struck against anot her object. Usually the transducer connector is the part that [...]

Chapter 10. Specif ications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 213 Chapter 10. Specif ications This section contains specifications for the following: • Overall • Electrical • T ra nsducer • Fluid T ypes • Pipe Size and Materials • A vailable Options 10.1 Overall 10.1.1 Har dware Conf iguration Channel Op[...]

Chapter 10. Speci f ications 214 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Note: Accuracy depends on pipe size and whethe r measur ement is one-path or two-path. Accuracy to ±0.5% of r eading may be achievable with pr ocess calibration. Range: –12.2 to 12.2 m/s (–40 to 40 ft/s) Rangeability: 400:1 Repeatability: ±0.1[...]

Chapter 10. Specif ications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 215 Environmental Operating T emperatu re: –20 to 5 5°C (–4 to 131° F) Storage T emperatu re: –40 to 7 0°C (–40 to 158° F) Note: T o ensur e maximum battery life storag e, do not exceed 35 °C (95° F) for long periods. Operating Modes Flow Me[...]

Chapter 10. Speci f ications 216 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 10.3 Operational Specif ications Site Parameter Menu-driven operator interface usin g a keypad and Programming: “soft” function keys. On-line help functio ns including pipe tables. Storage for saving parameters f or up to 64 sites. Data Logging:[...]

Chapter 10. Specif ications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 217 10.4 Transducer 10.4.1 Clamp-On Ultrasonic Flow T ransducers T emperature Range: Standard : –40° to 150°C (–4 0° to 300°F) Optional (overall): –190° to 300°C (–310° to 57 2°F) Housing: Standard : None Optional: List models or consult f[...]

Chapter 10. Speci f ications 218 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual 10.6 Available Options Thickness Measuring Mode Standard GE Sensing & Inspectio n T echnologies T ra nsducer: dual e lement transducer Pipe Thickness Range: 1.3 to 76.2 mm (0.05 to 3.0 in.) Pipe Materials: Most standard me tal and plastic pipe m[...]

Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 219 Appendix A . Menu Maps Figure 137: Main Menu • Site Menu - Figure 138 on page 221. • Program Menu - • Pipe Option - Figure 139 on page 222 • Transducer Option - Figure 143 on page 227 • Lining Option - Figure 144 on page 228 • Fluid Optio n - F[...]

Append ix A . Menu Ma ps 220 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 221 Appendix A . Menu M aps Figure 138: Site Menu Menu Site Clear F1 Clear F2 Clear F3 File Drive Manager Menu Item Manager Save 1 View 2 Views 3 Views 4 Views Note: Press [F2] (Cancel) to canc el the entries and return to Menu. Press [F3] (OK) to confirm the entries and return to M[...]

Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 222 Appendix A . Menu M aps Figure 139: Pr ogram Menu with Pipe Option Menu Program Input Analog Output Digital Output User Functions Correction Factor s Material Sound Speed Other Brass Copper Glass Gold Inconel Iron Monel Nickel Plastic Tin Titanium Tungsten Zinc Alumin um Steel O[...]

Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 223 Appendix A . Menu M aps Figure 140: Meter Menu Units Battery Date/Time Condition English Metric Date Time Locale Meter Menu Backlight Off Contrast Backlight Language English Ot her Darker Lighter Communications Totals Reset Both Fw d R e v See Figure A-17 User Tables 1 2 3 4 5 6[...]

Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 224 Appendix A . Menu M aps Figure 141: Logging Menu Logging Menu Log Manager Log File New Clone Log Rename Delete Dele te All Print Print All Transfer Name Name Name Name Format Linear Circular Type Standard Error Start End Interval Measurement Start Pause End Pause All Start All E[...]

Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 225 Appendix A . Menu M aps Figure 142: Service Menu Service Menu Reports T-Gauge Display T-Gauge Setup Diagnostics Signal Setup Error Limits Calibrate Drive Contents Current Site Global Settings User Func tions User Tables User Settings Menu Commands All Min Signal Max Signal Min V[...]

Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 226 Appendix A . Menu M aps[...]

Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 227 Figure 143: T ransducer Option Menu Program Transducer Wetted Clamp-on (Preprogrammed Units) Special Frequency Time Delay (Wetted) (Clamp-on) Wedge Angle Wedge Temperature Wedge Sound Speed Note: Press [F2] (Cancel) to cancel the entries and return to Menu[...]

Append ix A . Menu Ma ps 228 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 144: Lining Option Menu Program Lining Material Sound Speed None T a r E p o x y Glass (Pyrex) Asbestos Cement Mortar Rubber Teflon O th e r Thickn ess Note: Press [ F2] (Cancel) to cancel the entries and return to Menu. Press [F3] (OK) to confir[...]

Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 229 Figure 145: Fluid Option Menu Program Fluid Tracking Wind ows No Yes Other Sound Speed Oil Water 25 260 Sea 22 Cr ud Lube Freon LN2 Eth Meth Glycol % Other Oil Water 260 Water 100 Speed Min Speed Max (If Energy Option Enabled) Water Wate r/ Glycol[...]

Append ix A . Menu Ma ps 230 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 146: Path Option Menu Program Path (Wetted) (Clamp-on) Path Length Axial Lengt h Traverses Spacing Note: Press [F2 ] (Can ce l) to can c el the e ntrie s a nd re tu rn to M enu. Press [F3] (OK) to confirm the entries and re tu rn to M enu.[...]

Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 231 Figure 147: Energy Option Program Energy Menu Fixed A ctiv e Supply A B Temperature Fixed A cti ve A B Temperature Fixed A cti ve A B Temperature Return Heating Co oling Supply Return Flow Measurement Heating Co oling Heating Co oling System Note: Press [F[...]

Append ix A . Menu Ma ps 232 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 148: Analog Inp ut Option Program Analog Input Menu Input A I nput B Functio n Units Label Zero Span Off Ge neral Purpose Note: Press [F2] (C ancel) to cancel the entries a nd return to Menu. Press [F3] (OK) to confi rm the entries and retu rn to[...]

Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 233 Figure 149: Analog Output Option Program Analog Outpu t Menu Function Off 0-20 mA 4-20 mA Data Source Zero Span On Error Hold Last Val ue Force Low Force Hi gh Note: Press [F2 ] (Can ce l) to can c el the e ntrie s a nd re tu rn to M enu. Press [F3] (OK) t[...]

Append ix A . Menu Ma ps 234 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 150: Digital Output Option Program Digital Output Menu Function Off Pulse Totalizer Frequency Test Points Gate Input Data Source (Pulse Totalizer) (Frequency) Units/Pulse Pulse Width Polarity Low/High High/Low Gate Active Open Closed Min Frequenc[...]

Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 235 Figure 151: User Functions Option Program User Functions Menu Function User1 User2 User3 User4 User5 User6 User7 User8 Label Units Symbol Decimal Places 0 1 2 34 Equation Note: Press [F2] (Can cel) to cancel the en tries and return to Menu. Press [F3] (OK)[...]

Append ix A . Menu Ma ps 236 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Figure 152: Correction F actor s Option Program Correction Factors Menu Reynolds Correction Calibration Factor Reynolds Correction On Off K/V Factor Single T able Data Source Edit Table K/V Calibration Factor On Off K Factor Single Table Data Source Edi[...]

Appendix A . Menu Maps Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 237 Figure 153: Communications Option Meter Menu Communicat ions Node ID Comm Interface IrDA IR 232 Baud Rate 300 600 120 0 2400 4800 9600 19.2K 38.4 K 57.6K 115.2K Parity None Mark Space Even Odd Stop Bits 1 2 Data Bits 7 8 Note: Press [F2] (Can cel) to cance[...]

Append ix A . Menu Ma ps 238 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Appendix B. Measuring P and L Dimensions Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 239 Appendix B. Measurin g P and L Dimensions If you are using wetted transducers, the PT878 requires you to enter the path length (P) and the axial dimension (L). P is the transducer face-to-face distance, and L is the axi al proj ection of [...]

Append ix B. Measuring P and L Dimensions 240 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual T o determine P , you need the following: • the pipe inside diameter (ID) • the wall thickness (WT) • the installed pipe coupling length (CL) • the transducers face depth (FD) • the mounting angle (MA) Use Figure 155 below to [...]

Appendix B. Measuring P and L Dimensions Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 241 Use the following formula to determine the P dimension: [ID + 2(WT)]/(cos MA) = 2 (CL- FD) = P dimension For example, given the following: • inside diameter ( ID) = 48” • wall thickness (WT) = 3/8” • installed coupling length (C[...]

Append ix B. Measuring P and L Dimensions 242 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Appendix C. Temperatur e Transmitter Installation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 243 Appendix C. T emperature T ransmitter Installation The PT878 requires a supply and retu rn temperature input to measure energy rate and consumption. Y ou mus t connect the temperature sensors to a 4 to 20 mA transmitter (powered [...]

Appendix C. T emperature Transmitter Installation 244 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual C.2 M ounting RTDs on the Pipe The factory supplies a clamping fixture to mount the R TDs to the pipe; however , you must assemble the clampi ng fixture before you can mount the R TDs to the pipe. Use the following in structions[...]

Appendix C. Temperatur e Transmitter Installation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 245 C.2.2 Mounting the R TD to the Pipe Use the steps below to fast en the R TD to the pipe: 1. Prepare the pipe where you intend to place the R TD. The area should be clean and free of loose material. 2. Apply couplan t (GE part num[...]

Appendix C. T emperature Transmitter Installation 246 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual C.3.1 Connecting the R TD to the 4 t o 20-mA Transmitter R TDs should have two common lead s and one signal lead. If you are using a GE R TD, the wire colors may vary; ho wever , two of the R TD wires will be the same color . Th[...]

Appendix C. Temperatur e Transmitter Installation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 247 C.3.2 Connecting the Tr ansmitt er to the PT878 If you are using the GE DTR, simply plug the LEMO connector into the I/O connector as shown in Figure 156 below . Figure 156: Connection Locations Note: For input/ou tpu t cable con[...]

Appendix C. T emperature Transmitter Installation 248 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Appendix D. Ultrasonic Thickn ess Gauge Theory of Operation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 249 Appendix D . Ultrasonic Thickness G auge Theory of Operation All ultrasonic thickness ga uging involves timing the round trip of a sound pulse in a test material. Because soli d metal has an acoustic impedance that diff[...]

Append ix D. Ultrasonic Thickn ess Gauge Theory of Operation 250 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual D .1 Fact ors Affecting Performance and Accuracy A. Surface Condition - Loose or flaking scale, rust, corrosion or dirt on the outside surface of a test piece will in terfere with the coupling of sound energy from the[...]

Appendix D. Ultrasonic Thickn ess Gauge Theory of Operation Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 251 D .1.1 Transducer Positioning/Alignment For proper sound coupling the transducer must be pressed firmly against the test surface. On small diameter cylind rical surfaces such as pipes, hold the transducer so that the so[...]

Append ix D. Ultrasonic Thickn ess Gauge Theory of Operation 252 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual D .1.2 Calibration The accuracy of measurements are only as good as the accuracy and care with which the gauge has been calibrate d. It is essential that the thickness gauge be calibrated (as shown on page 159) whenev[...]

Appendix E. Material Safe ty Data Sheet for Couplant Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 253 Appendix E. Material Safety Data Sheet for Couplant (T o comply with 29 CFR 1910.1200) Effective Date 4/1 /98 Note: N/A = not applica ble or not available E.1 Product Identif ication Product Name: SOUNDSAFE ® Generic Name: Ul[...]

Appendix E. Material Sa fety Data Sheet for Couplant 254 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual E.3 Physical Data (nominal) Boiling Point: >220°F Freezing Point: <20°F V apor Pressure: N/A Evaporation Rate: N/A Solubility in W ater: complete Appearance and Odor: wa ter white, opaque gel; bland odor pH: 7.35 - 7.[...]

Appendix E. Material Safe ty Data Sheet for Couplant Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 255 E.6 Health Hazard and First Aid Data Routes of Entry: 1 Skin: not likely Eyes: not normally Ingestion: not normally Inhalation: no 1 SOUNDSAFE ® contains only food grade and cosmetic grade ingredients. Effects of Overexposure[...]

Appendix E. Material Sa fety Data Sheet for Couplant 256 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual E.8 Control Measures Respiratory Protection: not required V ent ilation: not required Protective Gloves: on individuals demonstrating sensitivity to SOUNDSAFE® Eye Protection: as required by working conditions Other Protecti[...]

Appendix F . Establishing IR Comm unications Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 257 Appendix F . Establishing IR Communications As discussed in Chapter 2, the PT878 includes an infrared transceiver for communication with IR products th at comply with the IrDA protocol. However , you must also be sure that the operati[...]

Append ix F . Esta blishi ng IR Communications 258 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Windows 2000/XP Both W indows 2000 and XP include infrared drivers in their operating systems. From the Control Panel, click on Add New Har dwar e and select the appropriate IR port, whether built- in or using an external dongle. W[...]

Appendix G. Glossary Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 259 Appendix G. Glossar y AGC — Automatic gain control, which sets the receive amplifier base d on measured signal strength. This electro nic circuit automatically adjusts the gain of the receive amplifier to ma intain the correct receive signal amplitude. Cal[...]

Appendix G. Gloss ary 260 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Impulse Response — Option in the Service Menu tha t enables you to force the meter to transmit in one direction only , without changing the amplifier gain setting. Locale — Format for displaying the time and date. Peak Detection — A method for identi[...]

Appendix G. Glossary Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 261 Soundspeed — Speed at which a sound wave travels through a given material. Thickness Gauge — Option that allows the PT878, with an optional thickness gauge transducer , to determ ine the thickness of most standard metal and plastic pipe materia ls over a[...]

Appendix G. Gloss ary 262 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual T r ansit-T ime — Flow measurement techniq ue based on the principle that when ultrasonic pulses are transmitted through a moving liq uid, the pulses that travel in the same direction as the fluid flow (downstream) travel slightly faster than the pu lses[...]

Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 263 A About Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Acceleration Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 ACTiSYS ACT-IR Interface . . . [...]

Index 264 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual C (cont.) Clamp-On Transducers, Path Parameters for . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Clearing Softkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 Communications Option . . . . . . . . . [...]

Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 265 E Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electronics Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Error Messages . . . .[...]

Index 266 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual G Gate Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Graph Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 H Help . . . . . . . . [...]

Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 267 Log Copying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Creating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Deleting . . . . . . . . . . . .[...]

Index 268 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual N Node ID for Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 Noise Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172 Numeric Keys . . . . . . . . . . . . . . [...]

Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 269 PT878 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Powering On/Off . . . . . . [...]

Index 270 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual S (cont.) Site Creating a Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Creating a New . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Deleting . . . . . . . . . . . [...]

Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 271 T Task Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Test Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 Test Points . . . . . [...]

Index 272 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual T (cont.) Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Axial Dimension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Bias 90° Installation . .[...]

Index Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 273 W Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277 Watchdog Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 Wave Sampling . . . . . . [...]

Index 274 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual [no content intended for this page - pr oceed t o next pag e][...]

Warranty Transport® Model PT878 Portable Liquid Flowmeter User ’s Manual 275 Warr ant y Each instrument manufactured by GE Sensing is warranted to be free from defects in material and workmanshi p. Liability under this warranty is limited to restoring the instrument to nor mal operation or replacing th e instrument, at the sole discretion of GE [...]

Warranty 276 Transport® Model PT878 Portable Liquid Flow meter User ’s Manual Retu rn Pol icy If a GE Sensing instrument malfunctio ns within the warranty period, the following procedure must be completed: 1. Notify GE Sensing, givin g full deta ils of the problem, and provide the model number and serial nu mber of th e instrument. If the nature[...]

CERT-DOC-H5 August 2004) GE Infrastructure Sensing DECL ARA TION OF CONFORMITY TÜV ESSEN ISO 9001 U.S. TÜV We, Panametrics Limited Shannon Industrial Estate Shannon, County Clare Ireland declare u nder our sole respon sibility that the Tra ns Po r t ™ PT878 Portable Ultrasonic Flowmeter Tra nsP or t ™ PT878GC Clamp-On Portable Ultrasonic Flow[...]

CERT-DOC-H5 August 2004) GE Infrastructure Sensing DECL ARA TION DE CONFORMITE TÜV ESSEN ISO 9001 U.S. TÜV Nous, Paname trics Li mited Shannon Industrial Estate Shannon, County Clare Ireland déclarons sous notre propr e responsabilité qu e les Tra ns Po r t ™ PT878 Portable Ultrasonic Flowmeter Tra nsP or t ™ PT878GC Clamp-On Portable Ultra[...]

CERT-DOC-H5 August 2004) GE Infrastructure Sensing KONFORMIT Ä TS- ERKLÄRU NG TÜV ESSEN ISO 9001 U.S. TÜV Wir , Panametrics Limited Shannon Industrial Estate Shannon, County Clare Ireland erklären, in alleiniger V era ntwort ung, daß d ie Produkte Tra ns Po r t ™ PT878 Portable Ultrasonic Flowmeter Tra nsP or t ™ PT878GC Clamp-On Portable[...]

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