Fluke 9150 manuale d’uso

9150 Portable Furnace User’ s Guide Rev. 5B1601 Hart Scientific[...]

Rev. 5B1601 Fluke Corporation, Hart Scientific Division 799 E. Utah Valley Drive • American Fork, UT 84003-9775 • USA Phone: +1.801.763.1600 • Telefax: +1.801.763.1010 E-mail: support@hartscientific.com www.hartscientific.com Subject to change without notice. • Copyright © 2005 • Printed in USA[...]

T able of Contents 1 Bef ore Y ou Start . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2.1 W ARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2.2 CA UTIONS [...]

8.2.1 Programmable Set-points . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 8.2.2 Set-point V alue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 8.2.3 T emperature Scale Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 8.3 Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 8[...]

10.2.1 Stabilization and Accurac y . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 11 Calibration Procedur e . . . . . . . . . . . . . . . . . . . . . . 45 11.1 Calibration Points . . . . . . . . . . . . . . . . . . . . . . . . . . 45 11.2 Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . 45 12 Maintenance . . . . . . .[...]

1 Bef ore Y ou Start 1.1 Symbols Used T able 1 lists the International Electri cal Symbols. Some or all of these symbols may be used on the instrument or in this manu al. Symbol Description AC ( Alternating Current) AC- DC Batter y CE Complies with European Uni on Directiv es DC Double Insulated Electric Shock Fuse PE Ground Hot Surf ace (Bur n Haz[...]

Symbol Description Canadian Standards Associati on O VERV OL T AGE (Installat ion) CA TEGORY II, P ollution Deg ree 2 per IEC1010-1 r e - f ers to the le vel of Impulse Wit hstand V oltage protect ion provided. Equipment of O VERV OL T AGE CA TEGOR Y II is energy-consuming equipment to be suppli ed from the fix ed installat ion. Examples include ho[...]

DO NO T operate this unit without a properly grounded, properly polarized power c ord. DO NO T connect this unit to a non-grounded, non-polarized outlet. HIGH V OL T A GE is used in the operati on of this equipment. SEVERE IN - JUR Y OR DEA TH may result if personnel fail to observe safety precautions. Before working inside t he equipment, turn the[...]

Allo w for test probe expansi on inside the well as the furnace heats. DO NO T u se fluids to clean out the well. Ne ver introduce foreign mat erial into the probe hole of the insert. Fluids, etc. can leak into the calibrator causing d amage. DO NO T change the values of the calibration constant s from the factory set values. The correct setting of[...]

Chao Y ang District Beijing 100004, PRC CHIN A Phone: +86-10-6-512-3436 T elefax: +86-10-6-512-3437 E-mail: xingye.han@fluke.com.cn Fluke South East Asia Pte Ltd. Fluke ASEAN Regional Of fice Service Center 60 Alexandra T errace #03-16 The Comtech (Lobby D) 118502 SINGAPORE Phone: +65 6799-5588 T elefax: +65 6799-5588 E-mail: antng@singa.fluke.com [...]

2 Intr oduction The Hart Scientif ic 9150 thermocouple furnace can be used for calibrating ther - mocouple and R TD temperature probes. Cal ibrations may be done ov er a range of 150°C to 1200°C (302°F to 2192°F). T emperature displa y of the 9150 is 0.1 degrees belo w 1000°and 1 degrees abov e 1000°. The furnace features: • Rapid heating a[...]

3 Specifications and En vir onmental Conditions 3.1 Specifications Temperature Range 150–1200°C (302–2192°F) Display Resolution 0.1° to 999.9°, 1° above 1000° Stability ±0.5°C Display Accuracy ±5.0°C Well Diameter 1.25" (32 mm) Well Depth 4" (102 mm) Heating Time 35 minutes to 1200°C Cooling Time 140 minutes with block Well[...]

3.3 W arranty Fluke Corporati on, Hart Scientif ic Di vision (Hart) warrants t his product to be free from defects in materia l and workmanship under normal use and service for a period as stated in our current product catal og from the date of shipment. This warrant y extends onl y to the original purchaser and shall not apply to an y product whic[...]

4 Safety Guidelines • Operate the instrument in room temperatures between 5-50°C (41-122°F). Allow suf ficient air circulation by leaving at least 6 inches of space be - tween the instrument and nearby objects. Overhead clearance needs to al - low for safe and easy insertion and removal of probes for calibration. • The furnace is a precision [...]

5 Quic k Start 5.1 Unpac king Unpack the furnace carefully and insp ect it for any damage that may hav e oc - curred during shipment. If there i s shipping damage, notify the carrier immediately . V erify that the follo wing components are present: • 9150 Furnace • 3150, Insert • Insert Insulator • Power Cord • Manual • RS-232 Cable 5.2[...]

5.4 Setting the T emperature Section 8 explains in detail how to set the temperature set-point on the calibra - tor using the front panel ke ys. The procedure is summarized here. (1) Press “SET” twice to access the set-point value. (2) Press “SET” to move the cursor to the units that need changing. (3) Press “UP” or “DOWN” to change[...]

6 P ar ts and Contr ols The user should become familiar with the f urnace back panel, front panel, and constant temperature block assembly . 6.1 Bac k P anel The back panel (Figure 1) features the Power Entry Module (PEM) that con - tains the power cord socket, the p o w er switch, and the heater voltage switch, the serial port, and the f an. Pow e[...]

Fa n - The f an inside the calibrator runs conti nuously when the unit is being op - erated to provi de cooling for the inst rument. Slots at t he top and sides of the calibrator are provi ded for airflow . The area around the calibrator must be kept clear to allow adequate ventilation. The airflo w is directed upward and can be extremely hot. 6.2 [...]

EXIT – Used to exi t from a menu. When EXIT is pressed an y changes made to the displayed v alue are ignored. 6.3 Constant T emperature Block Assembly The constant temperature block assemb ly is sho wn in Figure 3 and consists of remov able inserts. 6.3.1 Constant T emperature Block The “Block” is made of aluminum-oxide and pro vides a relati[...]

• Insert A Model 3150-2 (variety block): 1/2”, 1/4”, 3/8”, 3/16”, 1/8”, and 1/16” holes • Insert B Model 3150-3 (comparison block): tw o each 3/8”, 1/4”, and 3/16” holes or • Insert C Model 3150-4 (1/4” comparison block): six 1/4” holes 9150 Portable Furnace User’s Guide 18[...]

7 General Operation 7.1 Changing Displa y Units The 9150 can display temperature i n Celsius or F ahrenheit. The temperature units are shipped from t he factory set to Celsi us. T o change to Fahrenheit or back to Celsius there are two ways: 1 - Press the “SET” and “DO WN” simultaneously . or 1 - Press the “SET” key three times from the[...]

8 Contr oller Operation This section discusses in d etail ho w to operate the furn ace temperature control - ler using the front control panel. By using the front panel ke y-switches and LED display the user may monitor the well temperature, adjust t he set-point temperature in de grees C or F , monitor the heater output power , adjust the con - tr[...]

9150 Portable Furnace User’s Guide 22 Figure 4 Controller Operation Flowchar t[...]

200.0 C W ell temperatur e in de gr ees Celsius S Access set-point memory 1. 200. Set-point memory 1, 200.0°C currently used T o change the set-point memory press “UP” or “DO WN”. 5. 900. New set-point memory 5, 900.0°C Press “SET” to accept the ne w selection and access the set-point value. S Accept selected set-point memory 8.2.2 Se[...]

Scale units curr ently selected Press “UP” or “DO WN” to change the units. Un= F New units selected Press “EXIT” to display the well temperature or press “SET” to access the scan control. 8.3 Scan The scan rate can be set and enabl ed so that when the set-point is changed the furnace heats or cools at a specified rate (degrees per m[...]

Press “SET” to accept the ne w scan rate and continue. S Accept scan rate 8.4 Ramp and Soak Pr ogram The ramp and soak program feature for the 9150 al lows the user to program a number of set-points, cycle t he furnace au tomatically between th e t emperatures at a scan rate set by the user , and hold the furnace at each temperature for a pe - [...]

8.4.3 Pr ogram Set-P oints The controller all ows t he user to adjust up to eight program points. These are accessed by pressing “SET” after setting the number of program points as de - scribed in Section 8.4.2. Each program point has three associated paramet ers: the program set-point, the program scan rate, and the program hold (or soak) time[...]

it can be adjusted. 00200 Pr ogram point 4 soak time set for 200 minutes Press “SET” to sav e the new soak-time v alue or “EXIT” to discard changes S Accept the pr ogram point soak time The next v alue to edit is the program scan rate. This value is ignored if scan is not enabled for the unit (See Section 8.3.1 ). Sr 4 Pr ogram point 4 scan[...]

Pr ogram mode Press “SET” to adjust the program mode and the “UP” or “DO W N” b uttons to change the mode. Pf=4 New mode Press “SET” to continue or “EXIT” to continue without sa ving the ne w va lue. S Save new setting 8.4.5 Pr ogram Control The final paramete r in the program menu is the control parameter . Y ou may choose betw[...]

”EXIT” simultaneously and release. The heater power is displayed as a percent - age of full power . 962.4 W ell temperatur e S+E Access heater power in secondary menu 100.0 P Heater power in percent T o exit out of t he secondary menu press “EXIT”. T o continue on to the set-point voltage setting function press “SET”. 8.7 Set-point V ol[...]

troller cannot respond very well to cha nging conditions or noise in the system. If the proportional band is t oo narrow t he temperature may swing back and forth because the controller overreacts to t emperature v ariations. For best con - trol stability the proportional band must be set for the optimum width. The proportional band width is set at[...]

bration parameters. The groups are selected using the “UP” and “DO WN” ke ys a n dt h e np r e s s i n g“ S E T ” . 8.10 Operating P arameters The operating parameters menu is indicated by: Par Operating parameter s menu Press “SET” to enter the menu. The operating parameters menu contains the HL (High Limit) parameter , the Soft Cu[...]

1225 Flashes the curr ent value and then displays the value for adjustment 1225.0 Curr ent Soft Cutout setting Adjust this parameter by using “UP”, “DO WN”, and “SET” as each digit flashes. 1200.0 New Soft Cutout setting Press “SET” to accept the ne w temperature limit. If the temperature of the unit is e ver greater than the Soft C[...]

8.11.1 B A UD Rate The B A UD rate is the first parameter in the menu . The B A UD rate setting de - termines the serial communications tran smission rate. The B A UD rate parameter is indicated by , bAUd Serial BA UD rate parameter Press “SET” to choose to set the B A UD rate. The current B A UD rate va lue is then be displayed. 2400 b Curr en[...]

via the serial interface are immediately echoed or trans mitted back to the device of origin. W ith half duplex the commands are e xecut ed but not echoed. The du - plex mode parameter is i ndicated by , dUPL Serial duplex mode parameter Press “SET” to access the mode setting d=FULL Curr ent duplex mode setting The mode may be changed using “[...]

CAL Calibration par ameters menu Press “SET” fi ve times to enter the me nu. The calibration parameters menu contains the parameters Hard Cutout , CT1, CE1, CT2, CE2, CT3, and CE3. 8.12.1 Har d Cutout This parameter is the temperat ure abov e which the unit shuts do wn automati - cally . The parameter is set at the f actory to approximately 126[...]

9 Digital Comm unication Interface The furnace is capable of communicatin gw i t ha n db e i n gc o n t r o l l e db yo t h e r equipment through the digital serial interface. W ith a digital interface the instrument may be connected to a comput er or other equipment. Th is allo ws the user to set the set-point temperatur e, monitor the temperature[...]

ary menu. Press “SET” repeat edly until the display reads “ CAL ”. Press “UP” until the serial interface menu is indicated with “ SErIAL ”. Finally press “SET” to enter the serial parameter menu. In th e serial interface parameters menu are the B A UD rate, the sample rate, the duplex mode, and the linefeed parameter . 9.1.2.1 B[...]

temperature set-point and vie w or program the vari ous parameters. The inter - face commands are discussed in Sectio n 9.2. All commands are ASCII charac - ter strings terminated with a carriag e-return character (CR, ASCII 13). 9.2 Interface Commands The various commands for accessing the ca librator functions via the digital in - terfaces are li[...]

9150 Portable Furnace User’s Guide 40 Command Description Command Format Command Example Returned Returned Example Acceptable Values Display Temperatur e Read current set-point s[etpoint] s set: 9999.99 {C or F} set: 150.0 C Set current set-point t o n s[etpoint]=n s=450 Instrument Range Set temperature units: u[nits]=c/f Co rF Set temperature un[...]

41 9 Digital Communication Interface Interface Commands Command Description Command Format Command Example Returned Returned Example Acceptable Values Stop program pc=s[top] pc=s Continue program pc=c[ ont] pc=c Read program function pf pf pf: 9 pf: 3 Set program function to n pf= n p f = 2 1t o4 Configuration Menu Operating Paramet ers Menu Read h[...]

9150 Portable Furnace User’s Guide 42 Command Description Command Format Command Example Returned Returned Example Acceptable Values These commands are only used for f actory testing. Miscellaneous (not on menus) Read firmware ver sion number *ver[sion] * ver ver.9999,9.99 ver.9150,2.20 Read structure of all commands h[elp] h list of commands Leg[...]

10 T est Probe Calibration For optimum accurac y and stability , allow the calibrator to warm up for 10 minutes after power -up and then allo w adequate stabilization time after reach - ing the set-point temperature. Af ter completing operation of the calibrator, al - low t he well to cool by setting the temperature t o 150°C or less for one-half [...]

1200°C takes 10 minutes to be within 0.5°C of its settled point and tak es 15 minutes to achieve maximum stability . Speeding up the calibration process can be accomplished by kno wing how soon to make the measurement. It is recommended that typical measurements be made at the desired temperatures with th e desired test probes to establish th ese[...]

11 Calibration Pr ocedure At times the user may want to calibrate th e unit to improv e th e temperature set-point accuracy . Calibration is done by adjusting the controller probe cali - bration constants CE1, CE2, and C E3 so that the te mperature of the unit as measured with a standard thermocouple agrees more closel y with the set-point. The the[...]

ture, CEn is the old value for calibration error , and CEm is the new v alue for calibration error 6. Enter the ne w CEm value in the calibration parameter menu using either the ke ypad or through the serial port. 9150 Portable Furnace User’s Guide 46[...]

12 Maintenance • The calibration instrument has been designed with the utmost care. Ease of operation and simplicity of maintenance have been a central theme in the product development. Therefore, with proper care the instrument should require very little maintenance. A void operating the instrument in an oily , wet, dirty , or dusty environment.[...]

13 T r oubleshooting This section contains information on troubl eshooting, CE Comments, and a wiring diagram. 13.1 T roub leshooting Pr oblems, P ossible Causes, and Solutions In the ev ent that the instrument appears to function abnormally , this section may help to fi nd and solve the problem. Se veral possible problem conditions are described a[...]

Problem Possible Causes and Solutions The display shows any of the following: err 1 , err 2 , err 3 , err 4 , Err 5 , Err 6 , Err 7 ,o r Err 8 Controller pr oblem. The error messages si gnify the followi ng problems with the controller. Err 1 - a RAM error Err 2 - a NVRAM error Err 3 - a RAM error Err 4 - an ADC setup e rror Err 5 - an ADC ready er[...]