Teledyne Model 2010B manuel d'utilisation

i Teledyne Analytical Instruments Thermal Conductivity Analyzer OPERA TING INSTR UCTIONS FOR Model 2010B Thermal Conductivity Anal yz er HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING SYSTEM. PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM. HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INT[...]

Teledyne Analytical Instruments ii Model 2010B Copyright © 1998 Teledyne Analytical Instruments All Rights Reserved. No part of this manual may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any other language or computer language in whole or in part, in any form or by any means, whether it be electronic,[...]

iii Teledyne Analytical Instruments Thermal Conductivity Analyzer T able of Contents Specific Model Information ................................. iv Part I: Control Unit, Model 2010B ......... Part I: 1-1 Part II: Analysis Unit, Model 2010B ...... Part II: 1-1 Appendix ......................................................... A-1[...]

Teledyne Analytical Instruments iv Model 2010B Specific Model Information The instrument for which this manual was supplied may incorporate one or more options not supplied in the standard instrument. Commonly available options are listed below, with check boxes. Any that are incorporated in the instrument for which this manual is supplied are indi[...]

v Teledyne Analytical Instruments Thermal Conductivity Analyzer Table of Contents 1 Introduction 1.1 Ov er view ........................................................................ 1-1 1.2 T ypical Applications ....................................................... 1-2 1.3 Main F eatures of the Analyzer ....................................... [...]

Teledyne Analytical Instruments vi Model 2010B 4.3 The System Function ..................................................... 4-4 4.3.1 Setting the Displa y ................................................. 4-5 4.3.2 Setting up an Auto-Cal ........................................... 4-5 4.3.3 P assword Protection ....................................[...]

vii Teledyne Analytical Instruments Thermal Conductivity Analyzer 5.5 Major Inter nal Components ........................................... 5-3 5.6 Cleaning ......................................................................... 5-5 5.7 Phone Numbers ............................................................. 5-5 Appendix A-1 Specifications ..[...]

Teledyne Analytical Instruments viii Model 2010B COMBUSTIBLE GAS USA GE W ARNING D ANGER The customer should ensure that the principles of operating of this equipment are well understood b y the user . Misuse of this product in an y manner , tampering with its components, or unauthorized substitution of any component ma y adver sely affect the safe[...]

Part I 1-1 Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Introduction 1.1 Overview The Model 2010 is a family of split configuration conductivity analyzers. Each analyzer consist of a Control Unit suitable for installation in a general purpose area-enclosure rated NEMA-4, and a Analysis Unit which is housed in a[...]

Teledyne Analytical Instruments 1-2 Part I 1 Introduction Model 2010B 1 . 2 T ypical Applications A few typical applications of the Model 2010B are: • Power generation • Air liquefaction • Chemical reaction monitoring • Steel manufacturing and heat treating • Petrochemical process control • Quality assurance • Refrigeration and storag[...]

Part I 1-3 Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit • Wide range of custom applications, ranges, and linearization. • Microprocessor based electronics: 8-bit CMOS microprocessor with 32 kB RAM and 128 kB ROM. • Auto and remote calibration capabilities. • Four analog outputs: two for measurement (0?[...]

Teledyne Analytical Instruments 1-4 Part I 1 Introduction Model 2010B • Span Span calibrate the analyzer. • Zero Zero calibrate the analyzer. • Alarms Set the alarm setpoints and attributes. • Range Set up the user definable ranges for the instrument. Data Entry Keys: Six touch-sensitive membrane switches are used to input data to the instr[...]

Part I 1-5 Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Digital Meter Display: The meter display is a VFD device that produces large, bright, 7-segment numbers that are legible in any lighting. It produces a continuous trace readout from 0-9999 ppm or a continuous percent readout from 1-100 %. It is accurate ac[...]

Teledyne Analytical Instruments 1-6 Part I 1 Introduction Model 2010B Figure 1-2: Model 2010B Rear Panel • Power Connection 85-250 V AC power source. • Analog Outputs 0-1 V dc concentration plus 0-1 V d c range ID, and isolated 4-20 mA dc plus 4-20 mA dc range ID.[...]

Part I 1-7 Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit • Alarm Connections 2 concentration alarms and 1 system alarm. • RS-232 Port Serial digital concentration signal output and control input. • Remote Probe Used in the 2010B to interface the external Analysis Unit. • Remote Span/Zero Digital inputs a[...]

Teledyne Analytical Instruments 1-8 Part I 1 Introduction Model 2010B[...]

Part I 2-1 Thermal Conductivity Analyzer Part I: Control Unit Teledyne Analytical Instruments Operational Theor y 2. 1 Introduction The analyzer is composed of two subsystems: 1. Thermal Conductivity Sensor 2. Electronic Signal Processing, Display and Control. The sensor is a thermal conductivity comparator that continuously compares the thermal co[...]

2-2 Part I 2 Operational Theory Model 2010B Teledyne Analytical Instruments Figure 2-1: Thermal Conductivity Cell Operating Principle If the thermal conductivities of the gases in the two chambers are different, the Wheatstone bridge circuit unbalances, causing a current to flow in its detector circuit. The amount of this current can be an indicati[...]

Part I 2-3 Thermal Conductivity Analyzer Part I: Control Unit Teledyne Analytical Instruments 2.2.3 Effects of Flowrate and Gas Density Because the flowrate of the gases in the chambers affects their cooling of the heated filaments, the flowrate in the chambers must be kept as equal, constant, and low as possible. When setting the sample and refere[...]

2-4 Part I 2 Operational Theory Model 2010B Teledyne Analytical Instruments removing the back panel. Figure 2-2 is a block diagram of the Analyzer electronics. Figure 2-2: Block Diagram of the Model 2010B Electronics Th ermist or Sensor Heate r Temperatu re Co ntr ol Fi ne Adjust m e nt Coar se Adjustment Auto - Rang e M U X A to D Conver ter Digi [...]

Part I 2-5 Thermal Conductivity Analyzer Part I: Control Unit Teledyne Analytical Instruments In the presence of dissimilar gases the sensor generates a differential voltage across its output terminals. A differential amplifier converts this signal to a unipolar signal, which is amplified in the second stage, variable gain amplifier, which provides[...]

2-6 Part I 2 Operational Theory Model 2010B Teledyne Analytical Instruments[...]

Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Part I 3-1 Installation Installation of the Model 2010B Analyzer includes: 1. Unpacking 2. Mounting 3. Gas connections 4. Electrical connections 5. Testing the system. 3 . 1 Unpacking the Analyzer The analyzer is shipped ready to install and prepared for operation. C[...]

Teledyne Analytical Instruments 3 Installation Model 2010B 3-2 Part I Figure 3-2: Required Front Door Clearance HHinge H 0. 0 % An lz AL - 1 N PT Fit t i ngs suppli ed b y cust o m er Vi e w i ng W i ndow O ut er Door Latch Figure 3-1: Front Panel of the Model 2010B Control Unit 1 1 . 7 5 i n[...]

Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Part I 3-3 3 . 3 Electrical Connections (Rear Panel) Figure 3-3 shows the Model 2010B Electrical Connector Panel. There are terminal blocks for connecting power, communications, and both digital and analog concentration outputs. For safe connections, ensure that no u[...]

Teledyne Analytical Instruments 3 Installation Model 2010B 3-4 Part I DANGER: POWER IS APPLIED TO THE INSTRUMENT'S CIR- CUITRY AS LONG AS THE INSTRUMENT IS CON- NECTED TO THE POWER SOURCE. THE RED I/O SWITCH ON THE FRONT PANEL IS FOR SWITCH- ING POWER ON OR OFF TO THE DISPLAYS AND OUTPUTS ONLY. NOTE: AC POWER MAY BE PRESENT ON THE RELAY CONTAC[...]

Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Part I 3-5 Figure 3-4: Analog Output Connections Examples: The analog output signal has a voltage which depends on gas concen- tration relative to the full scale of the range. To relate the signal output to the actual concentration, it is necessary to know what range[...]

Teledyne Analytical Instruments 3 Installation Model 2010B 3-6 Part I To provide an indication of the range, the Range ID analog output terminals are used. They generate a steady preset voltage (or current when using the current outputs) to represent a particular range. Table 3-2 gives the range ID output for each analysis range. Table 3-2: Analog [...]

Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Part I 3-7 Actuates when self test fails. (Reset by pressing I/O button to remove power. Then press I/O again and any other button EXCEPT System to resume. Further detail can be found in chapter 4, section 4-5. Figure 3-5: Types of Relay Contacts 3.3.5 Dig ital Remot[...]

Teledyne Analytical Instruments 3 Installation Model 2010B 3-8 Part I When the contact is OPEN, the analyzer is analyzing, the Remote Cal Inputs are being polled, and a zero or span command can be sent. When the contact is CLOSED, the analyzer is already calibrating. It will ignore your request to calibrate, and it will not remember that request. O[...]

Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Part I 3-9 3.3.8 RS-232 Port The digital signal output is a standard RS-232 serial communications port used to connect the analyzer to a computer, terminal, or other digital device. It requires a standard 9-pin D connector. Output: The data output is status informati[...]

Teledyne Analytical Instruments 3 Installation Model 2010B 3-10 Part I Table 3-4: Required RS-232 Options Parameter Setting Baud 2400 Byte 8 bits Parity none Stop Bits 1 Message Interval 2 seconds 3.3.9 Remote Probe Connector The 2010B is a single-split configuration analyzer, the Remote Probe connector is used to interface the Analysis Unit. See F[...]

Teledyne Analytical Instruments Thermal Conductivity Analyzer Part I: Control Unit Part I 3-11 Figure 3-7: FET Series Resistance 3 . 4 T esting the System Before plugging the instrument into the power source: • Check the integrity and accuracy of the gas connections. Make sure there are no leaks. • Check the integrity and accuracy of the electr[...]

Teledyne Analytical Instruments 3 Installation Model 2010B 3-12 Part I[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-1 Teledyne Analytical Instruments Operation 4. 1 Introduction Although the Model 2010B is usually programmed to your application at the factory, it can be further configured at the operator level, or even, cautious- ly , reprogrammed. Depending on the specifics of the application, this mig[...]

4 Operation Model 2010B 4-2 Part I Teledyne Analytical Instruments The Enter button is used to accept any new entries on the VFD screen. The Escape button is used to abort any new entries on the VFD screen that are not yet accepted by use of the Enter button. Figure 4-1 shows the hierarchy of functions available to the operator via the function but[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-3 Teledyne Analytical Instruments Figure 4-1: Hierarchy of Functions and Subfunctions System AUTO-CAL Span/Zero Timing Span/Zero Off/On Span/Zero Off/On Change Yes/No Change Password Verify Password Select Range Define Appl/Range Self-Test in Progress Select Range Gas Use Range Select Veri[...]

4 Operation Model 2010B 4-4 Part I Teledyne Analytical Instruments 4 . 3 The System Function The subfunctions of the System function are described below. Specific procedures for their use follow the descriptions: • AUTO-CAL : Used to define an automatic calibration sequence and/or start an AUTO-CAL. • PWD : Security can be established by choosi[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-5 Teledyne Analytical Instruments 4.3.1 Setting the Display Contrast Function is DISABLED If you cannot read anything on the VFD after first powering up: 1. Observe LED readout. a. If LED meter reads 8.8.8.8.8. , go to step 3. b. If LED meter displays anything else, go to step 2. 2. Press [...]

4 Operation Model 2010B 4-6 Part I Teledyne Analytical Instruments Use < > arrows to blink AUTOCAL , and press Enter . A new screen for ZERO/SPAN set appears. ZERO in Ød Øh off SPAN in Ød Øh off Press < > arro ws to blink ZERO (or SPAN ), then press Enter again. (You won’t be able to set OFF to ON if a zero interval is entered.[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-7 Teledyne Analytical Instruments 4.3.3.1 Entering the Password To install a new password or change a previously installed password, you must key in and ENTER the old password first. If the default password is in effect, pressing the ENTER button will enter the default TAI password for you[...]

4 Operation Model 2010B 4-8 Part I Teledyne Analytical Instruments If you chose Enter to change the password, the password assignment screen appears. Select new password T A I Enter the password using the < > arrow keys to move back and forth between the existing password letters, and the ∆ ∆ ∆ ∆ ∆∇ arrow keys to change the letter[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-9 Teledyne Analytical Instruments NOTE: If you log off the system using the LOGOUT function in the system menu, you will now be required to re-enter the pass- word to gain access to Alarm, and Range functions. 4.3.4 Logging Out The LOGOUT function provides a convenient means of leaving the[...]

4 Operation Model 2010B 4-10 Part I Teledyne Analytical Instruments RUNNING DIAGNOSTIC Testing Preamp  Cell When the testing is complete, the results are displayed. Power: OK Analog: OK Cell: 2 Preamp: 3 The module is functioning properly if it is followed by OK . A number indicates a problem in a specific area of the instrument. Refer to Chapte[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-11 Teledyne Analytical Instruments The leftmost digit (under Dpt ) is the number of the data point being moni- tored. Use the ∆∇ keys to select the successive points. The INPUT value is the input to the linearizer. It is the simulated output of the analyzer. You do not need to actually[...]

4 Operation Model 2010B 4-12 Part I Teledyne Analytical Instruments The analyzer is calibrated using reference, zero, and span gases. Gas requirements are covered in detail in chapter 3, section 3.4 Gas Connections . Check that calibration gases are connected to the analyzer according to the instructions in section 3.4, observing all the prescribed[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-13 Teledyne Analytical Instruments The beginning zero level is shown in the upper left corner of the display. As the zero reading settles, the screen displays and updates information on Slope= in percent/second (unless the Slope starts within the acceptable zero range and does not need to [...]

4 Operation Model 2010B 4-14 Part I Teledyne Analytical Instruments ####.## % H2  N2 Slope=#.### SZero Generally, you have a good zero when Slope is less than 0.05 ppm/s for about 30 seconds. Once zero settling completes, the information is stored in the analyzer’s memory, and the instrument automatically returns to the Analyze mode. 4.4.1.[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-15 Teledyne Analytical Instruments 4.4.2.1 Auto Mode Spanning Observe all precautions in sections 4.4 and 4.4.2, above. Press Span to enter the span function. The screen that appears allows you to select whether the span calibration is to be performed automatically or manually. Use the ∆[...]

4 Operation Model 2010B 4-16 Part I Teledyne Analytical Instruments units, as necessary. When you have set the concentration of the span gas you are using, press Enter to begin the Span calibration. Press Enter to enter the span value into the system and begin the span calibration. Once the span has begun, the microprocessor samples the output at a[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-17 Teledyne Analytical Instruments • Both high (high and high-high) alarms, or • One high and one low alarm, or • Both low (low and low-low) alarms. 2. Are either or both of the alarms to be configured as failsafe? In failsafe mode, the alarm relay de-energizes in an alarm condition.[...]

4 Operation Model 2010B 4-18 Part I Teledyne Analytical Instruments Use the ∆ ∆ ∆ ∆ ∆∇ keys to choose between % or ppm units. Then press Enter to move to the next screen. AL1: 1ØØØ p p m H I Dft:N Fs:N Ltch:N Five parameters can be changed on this screen: • Value of the alarm setpoint, AL1: #### • Out-of-range direction, HI or LO[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-19 Teledyne Analytical Instruments In the AUTO screen, you are further allowed to select which gas application (PREVIOUSLY defined in System function) to run. 4.6.1 Manual (Select/Define Range) Screen The Manual range-switching mode allows you to select a single, fixed analysis range. It t[...]

4 Operation Model 2010B 4-20 Part I Teledyne Analytical Instruments the next lower range, the instrument switches to the lower range. A correspond- ing shift in the DC concentration output, and in the range ID outputs, will be noticed. The autoranging feature can be overridden so that analog output stays on a fixed range regardless of the contamina[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-21 Teledyne Analytical Instruments 4.6.3 Precautions The Model 2010B allows a great deal of flexibility in choosing ranges for automatic range switching. However, there are some pitfalls that are to be avoided. Ranges that work well together are: • Ranges that have the same lower limits [...]

4 Operation Model 2010B 4-22 Part I Teledyne Analytical Instruments Escape button in many cases also switches the analyzer back to the Analyze function. Alternatively, you can press the Analyze button at any time to return to analyzing your sample. The Analyze function screen shows the impurity concentration and the application gases in the first l[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-23 Teledyne Analytical Instruments MODEL APPLICATION SELF_TEST ALGORITHM Now you will be able to select the APPLICATION and ALGORITHM set-up functions. 4.8.1 The Set Range Screen The Set Range screen allows reprogramming of the three analysis ranges and the calibration range (including imp[...]

4 Operation Model 2010B 4-24 Part I Teledyne Analytical Instruments MODEL APPLICATION SELF_TEST ALGORITHM Use the < > arrow keys again to move the blinking to APPLICATION and press Enter . Sel rng to set appl: > Ø1 Ø2 Ø3 CAL < Use the ∆∇ arrow keys to increment/decrement the range number to 01, 02, 03, or CAL, and press Ent[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-25 Teledyne Analytical Instruments 4.8.2 The Curve Algorithm Screen The Curve Algorithm is a linearization method. It provides from 1 to 9 intermediate points between the ZERO and SPAN values, which can be normal- ized during calibration, to ensure a straight-line input/output transfer fun[...]

4 Operation Model 2010B 4-26 Part I Teledyne Analytical Instruments If the OUTPUT value shown is not correct, the linearization must be correct- ed. Press ESCAPE to return to the previous screen. Select and Enter SET UP to Calibration Mode screen. Select algorithm mode : AUTO There are two ways to linearize: AUTO and MANUAL : The auto mode requires[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-27 Teledyne Analytical Instruments After each point is entered, the data-point number increments to the next point. Moving from the lowest to the highest concentration, use the ∆∇ keys to set the proper values at each point. Dpt INPUT OUTPUT 0 Ø.ØØ Ø.ØØ Repeat the above procedure[...]

4 Operation Model 2010B 4-28 Part I Teledyne Analytical Instruments 5. Use the ∆∇ keys to set the proper value of calibration gas, and Enter . Repeat this step for each cal-point number as it appears in the Input ( x ) parentheses. 6. Repeat step 5 for each of the special calibration gases, from the lowest to the highest concentrations. Press E[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 4-29 Teledyne Analytical Instruments 2. Use LEFT/RIGHT key to move to the range that is speci- fied as inverting output. 3. Press and hold DOWN key for approximately 5 to 7 seconds. 4. Press ENTER key. NOTE: If the inverting has been setup, “i” shall display on the left bottom corner. Ot[...]

4 Operation Model 2010B 4-30 Part I Teledyne Analytical Instruments 6. Press and hold the RIGHT key for approximate 5 to 7 seconds. 7. Select AUTO and set the reading to span gas level. Press ENTER key. Repeat steps 1 to 7 if more than two ranges need to be setup.[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 5-1 Teledyne Analytical Instruments (Continued) Maintenance 5 . 1 Routine Maintenance Aside from normal cleaning and checking for leaks at the gas connec- tions, routine maintenance is limited to replacing fuses, and recalibration. For recalibration, see Section 4.4 Calibration . WARNING: SE[...]

5 Maintenance Model 2010B 5-2 Part I Teledyne Analytical Instruments Preamp 0 OK - > 0 means one or more gain have a high offset, e.g. 204 means highest gain has an offset. This error is common on sealed air cells. Cell 0O K 1 Failed (open filament, short to ground, no power.) 2 Unbalance (deterioration of filaments, blocked tube) 5 . 3 VFD Disp[...]

Thermal Conductivity Analyzer Part I: Control Unit Part I 5-3 Teledyne Analytical Instruments Figure 5-1: Removing Fuse Cap and Fuse from Holder 3. Replace fuse by reversing process in step 1. Remove Power to the instrument before changing fuses. 5 . 5 Major Internal Components The Interconnection Panel and the Front Panel PCBs are accessed by unla[...]

5 Maintenance Model 2010B 5-4 Part I Teledyne Analytical Instruments 5.6 Cleaning If instrument is unmounted at time of cleaning, disconnect the instru- ment from the power source. Close and latch the front-panel access door. Clean outside surfaces with a soft cloth dampened slightly with plain clean water. Do not use any harsh solvents such as pai[...]

Teledyne Analytical Instruments Part II: i Part II: Analysis Unit Part II: Analysis Unit Part II: Analysis Unit Part II: Analysis Unit Part II: Analysis Unit OPERA TING INSTR UCTIONS Model 2010B Ther mal Conductivity Analyzer P ar t II : Analysis Unit NEC T ype P ar t Number D-70089[...]

ii: Part II Teledyne Analytical Instruments Model 2010B Model 2010B Model 2010B Model 2010B Model 2010B Thermal Conductivity Anal Thermal Conductivity Anal Thermal Conductivity Anal Thermal Conductivity Anal Thermal Conductivity Anal yz yz yz yz yz er er er er er Table of Contents 1 Introduction 1. 1 Overview .......................................[...]

Teledyne Analytical Instruments Part II: 1-1 Thermal Conductivity Analyzer P ar t II: Analysis Unit Introduction 1.1 Overview The Analytical Instruments Model 2010B Analysis Unit is a versatile remotely controlled instrument for measuring a component gas in a back- ground gas, or in a specific mixture of background gases. Part 1 of this manual cove[...]

1-2: Part II Teledyne Analytical Instruments 1 Introduction 1 Introduction 1 Introduction 1 Introduction 1 Introduction Model 2010B Figure 1-1: Outline Diagram of 2010B Analysis Unit • REFERENCE IN This is the gas input from the flowing reference gas source. This gas connector should have a flowmeter with a range of 20-100 cc/ min. • SPAN/ZERO [...]

Teledyne Analytical Instruments Part II: 1-3 Thermal Conductivity Analyzer P ar t II: Analysis Unit Figure 1-2: Electrical Connector/Control Panel • Power In Power input terminals for electric heater. Requires 110 or 220 V ac, depending on position of the Voltage Selector switch. Use 50/60 Hz. CAUTION: Check the position of the Voltage Selector s[...]

1-4: Part II Teledyne Analytical Instruments 1 Introduction 1 Introduction 1 Introduction 1 Introduction 1 Introduction Model 2010B[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 2-1 Installation Installation of the Model 2010B Analyzer includes: 1. Unpacking, mounting, and interconnecting the Control Unit and the Analysis Unit 2. Making gas connections to the system 3. Making electrical connections to the system 4. Testing the s[...]

2 Installation Model 2010B 2-2: Part II Teledyne Analytical Instruments Figure 3-1: 2010 Analysis Unit with Auto-Cal & Gas Panel options 2 - 3 Sample System Design Gas Connector and Selector Panels for specific applications are avail- able at additional cost . These panels are designed to substitute a standard front panel. For those customers w[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 2-3 NOTE: The sample-line pressure regulator should be installed as close to the sample point as possible to minimize sample- line lag time. NOTE: A n additional option is available for SEALED reference application. This option would not have the referen[...]

2 Installation Model 2010B 2-4: Part II Teledyne Analytical Instruments ambient pressures, and pressures must vary no more than the normal baro- metric changes. 2 - 6 SAMPLE Gas In the standard model, sample and calibration gases are introduced through the SAMPLE fitting. The gases must be Tee'd into the Sample inlet with appropriate valves. T[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 2-5 2 - 8 ZERO Gas For the ZERO gas, a supply of the background gas, usually containing none of the impurity, is required to zero the analyzer during calibration. For suppressed zero ranges the zero gas must contain the low-end concentration of the impur[...]

2 Installation Model 2010B 2-6: Part II Teledyne Analytical Instruments Figure 3-4: Control Unit (CU) to Analysis Unit (AU) Connector If you use your own gas control valves, use the interconnect diagram in Figure 3-4 for the valves. The sensor and thermistor remain connected as in Figure 3-5, above. (See drawing D-73170 for wire recommendations.) F[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 2-7 Figure 3-6: FET Series Resistance 2-11 Signal Wiring Recommendations The signal leads are the bias and sensor leads ref fig. 3.4, and reference D-73170 interconnection diagram. The maximum interconnection distances between the 2010 control unit and t[...]

2 Installation Model 2010B 2-8: Part II Teledyne Analytical Instruments • Check the integrity and accuracy of the gas connections. Make sure there are no leaks. • Check the integrity and accuracy of the electrical connections. Make sure there are no exposed conductors • Check that sample pressure is between 3 and 40 psig, according to the req[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 3-1 Operation 3 . 1 System Self Diagnostic T est The self diagnostics are run automatically by the analyzer whenever the instrument is turned on, but the test can also be run by the operator at will. During the test, internal signals are sent through the[...]

3 Operation Model 2010B 3-2: Part II Teledyne Analytical Instruments 2 15 V Failure 3 Both Failed Analog 0O K 1 DAC A (0–1 V Concentration) 2 DAC B (0–1 V Range ID) 3 Both Failed Preamp 0 OK - > 0 means gains of the amplifier have a high offset, e.g. 204 means the highest gain has a high offset it is common on sealed air reference. The resul[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 4-1 Maintenance 4 . 1 Routine Maintenance Aside from normal cleaning and checking for leaks at the gas connec- tions, routine maintenance is limited to recalibration. Self-diagnostic testing of the system and fuse replacement in the Con- trol Unit are co[...]

4 Maintenance Model 2010B 4-2: Part II Teledyne Analytical Instruments Figure 4-1: Major Components 4 . 3 Fuse Replacement The 2010B Analysis Unit requires two 5 x 20 mm, 1.6 A, T type (Slow Blow) fuses. The fuses are located inside the explosion proof housing on the Electrical Connector Panel, as shown in Figure 4-2. To replace a fuse: 1. Disconne[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 4-3 3. Replace fuse by reversing process in step 1. 4 . 4 System Self Diagnostic T est 1. Press the System button to enter the system mode. 2. Use the < > arrow keys to move to More , and press Enter . 3. Use the < > arrow keys to move to Sel[...]

4 Maintenance Model 2010B 4-4: Part II Teledyne Analytical Instruments 4 . 5 Cell, Heater , and/or Thermistor Replacement The Thermal Conductivity Cell, with its Heater and Thermistor, is mounted inside the insulated cell compartment, inside the analysis unit. To remove these components, you must first remove screw on the cover, and the customer in[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 4-5 4.5.2 Removing and Replacing the Cell Block a. Refer to Figure 4-3, which illustrates removal of the Cell Block from the Cell Compartment. Exploded view is as seen from the top of the Cell Block. Figure 4-3: Removal of Cell from Cell Housing[...]

4 Maintenance Model 2010B 4-6: Part II Teledyne Analytical Instruments b. Remove the two screws holding the front mounting bracket— they also hold the Cell Block Cover to the Cell Block—and then pull off the cover. c. Turn the uncovered Cell Block assembly over so that the bottom faces you. The black rectangular block with four screws is the He[...]

Thermal Conductivity Analyzer P ar t II: Analysis Unit Teledyne Analytical Instruments Part II: 4-7 b. Remove the two screws holding the front mounting bracket— they also hold the Cell Block Cover to the Cell Block—and then pull off the cover. c. Turn the uncovered Cell Block assembly over so that the bottom faces you. The black rectangular blo[...]

4 Maintenance Model 2010B 4-8: Part II Teledyne Analytical Instruments[...]

Teledyne Analytical Instruments A-1 Thermal Conductivity Analyzer Appendix OPERA TING INSTR UCTIONS Models 2010B Ther mal Conductivity Analyzer Appendix Bulkhead Mount Control Unit, PN D70845 NEC T ype Analysis Unit, PN D70089 NEC T ype Analysis Unit, PN D70147[...]

A-2 Teledyne Analytical Instruments Appendix Model 2010B Contents A-1 Model 2010B Specifications .......................................... A-3 A-2 Recommended 2-Y ear Spare P ar ts List ......................... A-5 A-3 Drawing List ................................................................... A-6[...]

Teledyne Analytical Instruments A-3 Thermal Conductivity Analyzer Appendix Appendix A-1 Specifications Ranges: Three ranges plus a cal range, field selectable within limits (application dependent) and Auto Ranging Display: 2 line by 20 alphanumeric VFD accompanied by 5 digit LED display Accuracy: ±1% of full scale for most binary mixtures at const[...]

A-4 Teledyne Analytical Instruments Appendix Model 2010B System Power Requirements: Ex-Proof Analysis Unit 110 or 220 VAC, 50- 60Hz. (Internal Switch selectable) Control Unit: Universal Power 85-250 VAC 47-63Hz. Cell Material: Nickel plated brass block with nickel alloy filaments and stainless steel end plates O/P Interface: Full duplex RS-232, imp[...]

Teledyne Analytical Instruments A-5 Thermal Conductivity Analyzer Appendix A - 2 Recommended 2-Y ear Spare P ar ts List Qt y Part Number Description 1 D67472 Back Panel Board 1 C62371B Front Panel Board 1 C65098A Preamplifier Board 1 C62365D Main Computer Board 1 D70082 Customer Interface PCB Assy (AU) 1 D67651 Std. T/C Cell Assy. (Brass + SS) 2 F7[...]

A-6 Teledyne Analytical Instruments Appendix Model 2010B A - 3 Drawing List C70381 Outline Drawing (Standard & Auto-Cal option -C) D70117 Piping Diagram C70146 Outline Diagram (AU Auto-Cal Valve and Gas Panel -C-L) C70335 Outline Diagram (gas panel option -L) D70081 Schematic Diagram, Interface Board D-73170 Interconnection Diagram[...]