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Teledyne 2010B Operating Instructions Manual

Thermal conductivity analyzer
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Thermal Conductivity Analyzer
OPERATING INSTRUCTIONS FOR
Model 2010B
Thermal Conductivity Analyzer
Teledyne A nalytical In strum ents
2010B
Therm al C onductivity A nalyzer
DANGER
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 INTERNALLY WHICH MAY PERSIST
P/N M70845
FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
11/22/00
ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND/OR SERVICING. BEFORE
ECO # 00-0517
CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED SUPERVISOR/
MANAGER.

Teledyne Analytical Instruments

i

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  • Page 1: Teledyne Analytical Instruments

    Thermal Conductivity Analyzer OPERATING INSTRUCTIONS FOR Model 2010B Thermal Conductivity Analyzer Teledyne A nalytical In strum ents 2010B Therm al C onductivity A nalyzer DANGER HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING SYSTEM.
  • Page 2 Any safeguards required such as locks, labels, or redundancy, must be provided by the user or specifically requested of Teledyne at the time the order is placed.
  • Page 3 Thermal Conductivity Analyzer Table 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...
  • Page 4 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 indicated by a check mark in the box.

  • Page 5: Table Of Contents

    3.3.8 RS-232 Port ............3-9 3.3.9 Remote Probe Connector ........3-9 3.4 Testing the System ............3-16 3.5 Warm Up at Power Up ........... 3-16 4 Operation 4.1 Introduction ..............4-1 4.2 Using the Data Entry and Function Buttons ....4-1 Teledyne Analytical Instruments...
  • Page 6 Model 2010B 4.3 The System Function ............. 4-4 4.3.1 Setting the Display ..........4-5 4.3.2 Setting up an Auto-Cal ........... 4-5 4.3.3 Password Protection ..........4-6 4.3.3.1 Entering the Password ........4-7 4.3.3.2 Installing or Changing the Password ..... 4-7 4.3.4 Logging Out ............
  • Page 7 Thermal Conductivity Analyzer 5.5 Major Internal Components ........... 5-3 5.6 Cleaning ................. 5-5 5.7 Phone Numbers ............. 5-5 Appendix A-1 Specifications ..............A-1 A-2 Recommended 2-Year Spare Parts List ......A-3 A-3 Drawing List ..............A-4 Teledyne Analytical Instruments...
  • Page 8 Since the use of this instrument is beyond the control of Teledyne, no responsibility by Teledyne, its affiliates, and agents for damage or injury from misuse or neglect of this equipment is implied or assumed.

  • Page 9: Introduction

    This manual section covers the Model 2010B General Purpose flush-panel and rack-mount control units only. Many of the Model 2010B features covered in this manual are optional, selected according to the customers specific application. Refer to the specific model information sheet (page IV) for the options incorporated in the instrument.

  • Page 10: Typical Applications

    Refrigeration and storage • Gas proportioning control. Main Features of the Analyzer The main features of the Model 2010B Thermal Conductivity Analyzer include: • Three independent, user definable, analysis ranges allow up to three different gas applications with one concentration range each, or up to three concentration ranges for a single gas applica- tion, or any combination.

  • Page 11: Model Designations

    Operator Interface (Front Panel) The standard 2010B is housed in a rugged metal case with all controls and displays accessible from the front panel. See Figure 1-1. The front panel has thirteen buttons for operating the analyzer, a digital meter, and an alphanumeric display.
  • Page 12 O u te r D o or Latch C ontrol Pan el 2010B T he rm al C o ndu ctivity A na lyzer Figure 1-1: Model 2010B Front Panel • Span Span calibrate the analyzer. • Zero Zero calibrate the analyzer.

  • Page 13: Recognizing Difference Between Lcd & Vfd

    NEEDED. Equipment Interface (Rear Panel) The rear panel, shown in Figure 1-2, contains the electrical connectors for external input and output. The connectors are described briefly here and in detail in chapter 3, Installation. Teledyne Analytical Instruments Part I 1-5...
  • Page 14 Model 2010B 1 Introduction 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 dc range ID, and isolated 4-20 mA dc plus 4-20 mA dc range ID.
  • Page 15 Not implemented at this printing. Note: If you require highly accurate Auto-Cal timing, use external Auto-Cal control where possible. The internal clock in the Model 2010B is accurate to 2-3 %. Accordingly, internally scheduled calibrations can vary 2-3 % per day. Teledyne Analytical Instruments...
  • Page 16 Model 2010B 1 Introduction 1-8 Part I Teledyne Analytical Instruments...

  • Page 17: Operational Theory

    The resistance of the filaments depends on their temperature. These filaments are parts of the two legs of a Wheatstone bridge circuit that unbal- ances if the resistances of its two legs do not match. See Figure 2-1(b). Teledyne Analytical Instruments Part I 2-1...

  • Page 18: Calibration

    2 Operational Theory Model 2010B 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 indication of the amount of impurity in the sample gas, or even an indication of the type of gas, depending on the known properties of the reference and sample gases.

  • Page 19: Effects Of Flowrate And Gas Density

    Electronics and Signal Processing The Model 2010B Thermal Conductivity Analyzer uses an 8031 microcontroller, Central Processing Unit—(CPU) with 32 kB of RAM and 128 kB of ROM to control all signal processing, input/output, and display functions for the analyzer.
  • Page 20 Central Processing Range Unit Contacts (4) (CPU) Displays Processing External Valve Control Remote Span Control Power Remote Zero A to D Conv Supply Control Contact Figure 2-2: Block Diagram of the Model 2010B Electronics Teledyne Analytical Instruments 2-4 Part I...

  • Page 21: Temperature Control

    The result is a sensor output signal that is temperature independent. A second temperature control system is used to maintain the Analysis Unit internal temperature at 22 C minimum. Teledyne Analytical Instruments Part I 2-5...
  • Page 22 2 Operational Theory Model 2010B Teledyne Analytical Instruments 2-6 Part I...

  • Page 23: Installation

    NOT for hazardous environments of any type. The Control Unit is for indoor/outdoor use. Figure 3-1 is an illustration of the 2010B standard front panel and mounting bezel. There are four mounting holes—one in each corner of the rigid frame.
  • Page 24 V iew ing W indow O u ter D oor HHinge Latch Figure 3-1: Front Panel of the Model 2010B Control Unit Figure 3-2: Required Front Door Clearance 3-2 Part I Teledyne Analytical Instruments...

  • Page 25: Electrical Connections (Rear Panel)

    Thermal Conductivity Analyzer Part I: Control Unit 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 uninsulated wire extends outside of the connectors they are attached to.

  • Page 26: Fuse Installation

    3 Installation Model 2010B 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.
  • Page 27 0–10 % hydrogen, then the output would be as shown in Table 3-1. Table 3-1: Analog Concentration Output—Example Percent Voltage Signal Current Signal Hydrogen Output (V dc) Output (mA dc) 10.4 12.0 13.6 15.2 16.8 18.4 20.0 (Continued) Teledyne Analytical Instruments Part I 3-5...

  • Page 28: Alarm Relays

    3 Installation Model 2010B 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.

  • Page 29: Digital Remote Cal Inputs

    Cal Contact: This relay contact is closed while analyzer is spanning and/or zeroing. (See Remote Calibration Protocol below.) Remote Calibration Protocol: To properly time the Digital Remote Cal Inputs to the Model 2010B Analyzer, the customer's controller must monitor the Cal Relay Contact. Teledyne Analytical Instruments...

  • Page 30: Range Id Relays

    However, if you have the –C, -P, or -Q Internal valve option, which includes zero and span gas inputs, the 2010B automatically selects the zero, span and sample gas flow.

  • Page 31: Rs-232 Port

    Range manual 3 rm4<enter> Range manual CAL ra<enter> Range auto Implementation: The RS-232 protocol allows some flexibility in its implementation. Table 3-4 lists certain RS-232 values that are required by the Model 2010B implementation. Teledyne Analytical Instruments Part I 3-9...

  • Page 32: Remote Probe Connector

    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 Figure 3-6. S PA N IN S A M P L E IN...

  • Page 33: Testing The System

    If instrument power is interrupted for only a brief time, the instrument will wait thirty minutes again. Press the ENTER key to bypass self- diagnostic mode. Teledyne Analytical Instruments Part I 3-11...
  • Page 34 3 Installation Model 2010B 3-12 Part I Teledyne Analytical Instruments...

  • Page 35: Operation

    Part I: Control Unit Operation 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 might include all or a subset of the following procedures: •...
  • Page 36 4 Operation Model 2010B 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.
  • Page 37 Part I: Control Unit System Set LCD Contrast Function is DISABLED Contrast (Refer to Section 1.6) Show Model and Version Enter Enter Enter Zero Span Alarms Range Analyze Figure 4-1: Hierarchy of Functions and Subfunctions Teledyne Analytical Instruments Part I 4-3...

  • Page 38: The System Function

    4 Operation Model 2010B The System Function The subfunctions of the System function are described below. Specific procedures for their use follow the descriptions: • : Used to define an automatic calibration sequence and/or start an AUTO-CAL. • : Security can be established by choosing a 3 digit password ( ) from the standard ASCII character set.

  • Page 39: Setting The Display

    Note: If you require highly accurate AUTO-CAL timing, use external AUTO-CAL control where possible. The internal clock in the Model 2010B is accurate to 2-3 %. Accordingly, internally scheduled calibrations can vary 2-3 % per day. Note: If all your ranges are for the same gas application, then AUTO- CAL will calibrate whichever range you are in at the scheduled time for automatic calibration.

  • Page 40: Password Protection

    4 Operation Model 2010B , and press Enter . A new screen for Use < > arrows to blink set appears. ), then press Enter again. Press < > arrows to blink (You won’t be able to set OFF to ON if a zero interval is entered.) A ...

  • Page 41: Entering The Password

    Entering the Password. When you are given the opportunity to change the password: Press Enter to change the password (either the default or the previ- ously assigned password), or press Escape to keep the existing password and move on. Teledyne Analytical Instruments Part I 4-7...
  • Page 42 4 Operation Model 2010B If you chose Enter to change the password, the password assignment screen appears. Enter the password using the < > arrow keys to move back and forth between the existing password letters, and the arrow keys to change the letters to the new password.

  • Page 43: Logging Out

    Enter to Log out. The screen will display the message: 4.3.5 System Self-Diagnostic Test The Model 2010B has a built-in self-diagnostic testing routine. Pre-pro- grammed signals are sent through the power supply, output board, preamp board and sensor circuit. The return signal is analyzed, and at the end of the test...

  • Page 44: The Model Screen

    4 Operation Model 2010B When the testing is complete, the results are displayed. The module is functioning properly if it is followed by . A number indicates a problem in a specific area of the instrument. Refer to Chapter 5 Maintenance and Troubleshooting for number-code information.

  • Page 45: The Zero And Span Functions

    The Zero and Span Functions (1) The Model 2010B can have as many as three analysis ranges plus a special calibration range (Cal Range); and the analysis ranges, if more than one, may be programmed for separate or identical gas applications.

  • Page 46: Zero Cal

    4 Operation Model 2010B 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 precautions.

  • Page 47: Manual Mode Zeroing

    S–Zero starts. During S–Zero, the Microcontroller takes control as in Auto Mode Zeroing, above. It calculates the differences between successive sam- plings and displays the rate of change as a value in parts per million per second (ppm/s). Teledyne Analytical Instruments Part I 4-13...

  • Page 48: Cell Failure

    Cell failure in the 2010B is usually associated with inability to zero the instrument with a reasonable voltage differential across the Wheatstone bridge. If this should ever happen, the 2010B system alarm trips, and the VFD displays a failure message.

  • Page 49: Auto Mode Spanning

    Press Enter to move to the next when screen. Use the < > arrow keys to toggle between the span concentration value and the units field (%/ppm). Use the arrow keys change the value and/or the Teledyne Analytical Instruments Part I 4-15...

  • Page 50: The Alarms Function

    Analyze function. The Alarms Function The Model 2010B is equipped with 6 fully adjustable set points concentra- tion with two alarms and a system failure alarm relay. Each alarm relay has a set of form “C" contacts rated for 3 amperes resistive load at 250 V ac. See Figure in Chapter 3, Installation and/or the Interconnection Diagram included at the back of this manual for relay terminal connections.
  • Page 51 Set up the Range 1 alarm by moving the blinking over to using the < > arrow keys. Then press Enter . Check the gas application and range limits as displayed on the screen. Press enter again to set the alarm setpoints. Teledyne Analytical Instruments Part I 4-17...

  • Page 52: The Range Select Function

    4 Operation Model 2010B keys to choose between % or ppm units. Then press Enter to Use the move to the next screen. Five parameters can be changed on this screen: • Value of the alarm setpoint, AL1: #### •...

  • Page 53: Manual (Select/Define Range) Screen

    If the upper limit of the operating range is reached, the instrument automatically shifts to the next higher range. If the concentration falls to below 85% of full scale of Teledyne Analytical Instruments Part I 4-19...
  • Page 54 4 Operation Model 2010B 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 contaminant concentration detected.

  • Page 55: Precautions

    Thermal Conductivity Analyzer Part I: Control Unit 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: •...

  • Page 56: Programming

    4 Operation Model 2010B 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 line, and the range in the second line.

  • Page 57: The Set Range Screen

    Normally the Model 2010B is factory set to default to manual range selection, unless it is ordered as a single-application multiple-range unit (in which case it defaults to autoranging).
  • Page 58 4 Operation Model 2010B Use the < > arrow keys again to move the blinking to and press Enter . Use the arrow keys to increment/decrement the range number to 01, 02, 03, or CAL, and press Enter . Use the < > arrow keys to move to Imp: (impurity), Bck: (background), FR: (from—lower end of range), TO: (to—upper end of range), and PPM or %.

  • Page 59: The Curve Algorithm Screen

    It is the simulated output of the analyzer. You do not need to actually flow gas. value is the output of the linearizer. It should be the ACTU- AL concentration of the span gas being simulated. Teledyne Analytical Instruments Part I 4-25...

  • Page 60: Manual Mode Linearization

    4 Operation Model 2010B If the value shown is not correct, the linearization must be correct- ed. Press ESCAPE to return to the previous screen. Select and Enter to Calibration Mode screen. There are two ways to linearize: : The auto mode requires as many calibration gases as there will be correction points along the curve.

  • Page 61: Auto Mode Linearization

    From the System Functions screen— , and Enter . 1. Use < > to select 2. Select and Enter 3. Enter from the Calibration Mode Select screen. The Auto Linearize Mode data entry screen appears. Teledyne Analytical Instruments Part I 4-27...

  • Page 62: Special Function Setup

    4 Operation Model 2010B 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 x parentheses. 6. Repeat step 5 for each of the special calibration gases, from the lowest to the highest concentrations.

  • Page 63: Special - Polarity Coding

    Press SPAN key. Select AUTO mode and setup the setting to span level. Press ENTER key to span. Set range switch to next range. Press SPAN key. Teledyne Analytical Instruments Part I 4-29...
  • Page 64 4 Operation Model 2010B Press and hold the RIGHT key for approximate 5 to 7 seconds. 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.

  • Page 65: Maintenance

    The following failure codes apply: Table 5-1: Self Test Failure Codes Power 5 V Failure 15 V Failure Both Failed Analog DAC A (0–1 V Concentration) DAC B (0–1 V Range ID) Both Failed (Continued) Part I 5-1 Teledyne Analytical Instruments...

  • Page 66: Vfd Display

    VFD cable is not loose. Fuse Replacement The 2010B requires two 5 x 20 mm, 1 A, T type (Slow Blow) fuses. The fuses are located inside the enclosure on the Electrical Connector Panel, as shown in Figure 5-1. To replace a fuse: 1.

  • Page 67: Major Internal Components

    The Interconnection Panel and the Front Panel PCBs are accessed by unlatching and swinging open the front door, as described earlier. WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS MANUAL. The 2010B Control Unit contains the following major components: • Power Supply •...

  • Page 68: Cleaning

    5 Maintenance Model 2010B 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.
  • Page 69 Part II: Analysis Unit Part II: Analysis Unit Part II: Analysis Unit Part II: Analysis Unit Part II: Analysis Unit OPERATING INSTRUCTIONS 2010B Model Thermal Conductivity Analyzer Part II: Analysis Unit NEC Type Part Number D-70089 Teledyne Analytical Instruments Part II: i...
  • Page 70 Thermal Conductivity Anal Thermal Conductivity Anal yz yz yz yzer er er er er Model 2010B Model 2010B Model 2010B Thermal Conductivity Anal Thermal Conductivity Anal Thermal Conductivity Analyz Table of Contents 1 Introduction 1.1 Overview ................ 1-1 1.2 Connections ..............1-1 1.3 Electrical Connector Panel ..........

  • Page 71: Introduction

    Installation chapter of this manual. NOTE: The version of the 2010 Analysis Unit depicted has no options. The gas connections found on the 2010B Analysis Unit depend on the options selected. Refer to the outline diagram in the rear of this manual for the actual configuration.

  • Page 72: Electrical Connector Panel

    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.
  • Page 73 • Solenoid Valves Terminals that provide all electrical intercon- nections from the Control Unit to the gas control valves. • Sensor Signal Terminals that provide connections from the T/C sensor to the Control Unit. Teledyne Analytical Instruments Part II: 1-3...
  • Page 74 1 Introduction 1 Introduction 1 Introduction 1 Introduction 1 Introduction Model 2010B 1-4: Part II Teledyne Analytical Instruments...

  • Page 75: Installation

    Immediately report any damage to the shipping agent. Mounting the Analysis Unit The Model 2010B Analysis Unit is for use in Class 1, Division 1, Groups C and D, hazardous environments (group B available). The actual class is limited by the flame arrestor option.

  • Page 76: Sample System Design

    For those customers wishing to incorporate their own sample system, electronic input/output ports are provided on the rear panel for the operation of solenoid valves under the complete control of the Model 2010B electron- ics. See section 3.3. The recommended system piping schematic is included among the drawings at the rear of the manual For best results, use the recommended piping system.

  • Page 77: Pressure And Flowrate Regulation

    Check local, state, and federal laws, and ensure that the exhaust stream vents to an appropriately controlled area if required. If not vented to the same area, both VENT lines must vent to areas with equal Teledyne Analytical Instruments Part II: 2-3...

  • Page 78: Sample Gas

    2 Installation Model 2010B 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 fitting. The gases must be Tee'd into the Sample inlet SAMPLE with appropriate valves.

  • Page 79: Zero Gas

    Drawings section at the back of this manual. To access the Panel, remove the explosion-proof cover as described in chapter 5, Mainte- nance. NEVER OPEN THE COVER IN A HAZARDOUS ATMO- SPHERE. THE AREA MUST BE DECLARED TEMPORARILY SAFE BY THE PROPER AUTHORITY FIRST. Teledyne Analytical Instruments Part II: 2-5...
  • Page 80 2 Installation Model 2010B 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.

  • Page 81: Signal Wiring Recommendations

    After The Control Unit and the Analysis Unit are both installed and interconnected, and the system gas and electrical connections are complete, the system is ready to test. Before plugging either of the units into their respective power sources: Teledyne Analytical Instruments Part II: 2-7...
  • Page 82 2 Installation Model 2010B • 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 requirements of your process.

  • Page 83: Operation

    During preamp testing there is a countdown in the lower right corner of the screen. When the testing is complete, the results are displayed. The following failure codes apply: Table 4-1: Self Test Failure Codes Power 5 V Failure Teledyne Analytical Instruments Part II: 3-1...

  • Page 84: Cell Failure Checks

    3 Operation Model 2010B 15 V Failure Both Failed Analog DAC A (0–1 V Concentration) DAC B (0–1 V Range ID) Both Failed Preamp 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.

  • Page 85: Maintenance

    The internal components are accessed by rotating the explosion-proof housing cover counterclockwise several turns until free. See Figure 4-1, below. WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS MANUAL. The 2010B Analysis Unit contains the following major components: • TC Cell • Optional Auto-Cal Solenoid Assy.

  • Page 86: Fuse Replacement

    Figure 4-1: Major Components 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.

  • Page 87: System Self Diagnostic Test

    DAC B (0–1 V Range ID) Both Failed Preamp 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. Teledyne Analytical Instruments Part II: 4-3...

  • Page 88: Cell, Heater, And/Or Thermistor Replacement

    4.5.1 Removing the Cell Compartment WARNING: IF THE MODEL 2010B ANALYZER HAS BEEN USED WITH TOXIC GASES, FLUSH IT THOROUGHLY BEFORE PERFORMING THIS PROCEDURE. WARNING: DISCONNECT ALL POWER TO THE MODEL 2010B BEFORE PERFORMING THIS PROCEDURE.

  • Page 89: Removing And Replacing The Cell Block

    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 Teledyne Analytical Instruments Part II: 4-5...

  • Page 90: Removing The Heater And/Or Thermocouple

    Maintenance Model 2010B 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.

  • Page 91: Replacing The Heater And/Or Thermister

    Reassemble the Cell Compartment by reversing the procedure in section 4.5.3. Then relace the cabling. d. Reinstall the Assembled Cell Compartment by reversing the procedure in section 4.5.1. Then reconnect the wires to J2 on the interface PCB. Teledyne Analytical Instruments Part II: 4-7...
  • Page 92 Maintenance Model 2010B 4-8: Part II Teledyne Analytical Instruments...
  • Page 93 Thermal Conductivity Analyzer Appendix OPERATING INSTRUCTIONS 2010B Models Thermal Conductivity Analyzer Appendix Bulkhead Mount Control Unit, PN D70845 NEC Type Analysis Unit, PN D70089 NEC Type Analysis Unit, PN D70147 Teledyne Analytical Instruments...
  • Page 94 Appendix Model 2010B Contents A-1 Model 2010B Specifications .......... A-3 A-2 Recommended 2-Year Spare Parts List ......A-5 A-3 Drawing List ..............A-6 Teledyne Analytical Instruments...

  • Page 95: A-1 Specifications

    Two 4-20 mADC isolated (concentration and range ID) Alarm: Two fully programmable concentration alarm set points and corresponding Form C, 3 amp contacts. One system failure alarm contact to detect power, calibration, zero / span and sensor failure. Teledyne Analytical Instruments...
  • Page 96 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...

  • Page 97: A-2 Recommended 2-Year Spare Parts List

    Note: Orders for replacement parts should include the part number (if available) and the model and serial number of the instru- ment for which the parts are intended. Orders should be sent to: TELEDYNE Analytical Instruments 16830 Chestnut Street City of Industry, CA 91749-1580 Phone (626) 934-1500 Fax (626) 961-2538 Web: www.teledyne-ai.com...

  • Page 98: A-3 Drawing List

    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...

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