Teledyne 2000A-EU User manual

i
Thermal Conductivity Analyzer
Teledyne Analytical Instruments
OPERATING INSTRUCTIONS FOR
Model 2000A-EU
Thermal Conductivity Analyzer
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
FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
ONLYAUTHORIZEDPERSONNELSHOULDCONDUCTMAINTENANCEAND/ORSERVICING.BEFORE
CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED SUPERVISOR/
MANAGER.
DANGER
P/NM66182
07/22/05
ECO#05-0131

ii
Model 2000A-EU
Copyright © 1999 Teledyne Analytical Instruments
All Rights Reserved. No part of this manual may be reproduced, transmitted, tran-
scribed, 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,
mechanical, magnetic, optical, manual, or otherwise, without the prior written consent of
TeledyneAnalytical Instruments,16830 ChestnutStreet, Cityof Industry,CA 91749-1580.
Warranty
This equipment is sold subject to the mutual agreement that it is warranted by us free
from defects of material and of construction, and that our liability shall be limited to
replacing or repairing at our factory (without charge, except for transportation), or at
customer plant at our option, any material or construction in which defects become
apparent within one year from the date of shipment, except in cases where quotations or
acknowledgements provide for a shorter period. Components manufactured by others bear
the warranty of their manufacturer. This warranty does not cover defects caused by wear,
accident, misuse, neglect or repairs other than those performed by Teledyne or an autho-
rized service center. We assume no liability for direct or indirect damages of any kind and
the purchaser by the acceptance of the equipment will assume all liability for any damage
which may result from its use or misuse.
We reserve the right to employ any suitable material in the manufacture of our
apparatus, and to make any alterations in the dimensions, shape or weight of any parts, in
so far as such alterations do not adversely affect our warranty.
ImportantNotice
This instrument provides measurement readings to its user, and serves as a tool by
which valuable data can be gathered. The information provided by the instrument may
assist the user in eliminating potential hazards caused by his process; however, it is
essential that all personnel involved in the use of the instrument or its interface, with the
process being measured, be properly trained in the process itself, as well as all instrumenta-
tion related to it.
The safety of personnel is ultimately the responsibility of those who control process
conditions. While this instrument may be able to provide early warning of imminent danger,
it has no control over process conditions, and it can be misused. In particular, any alarm or
control systems installed must be tested and understood, both as to how they operate and
as to how they can be defeated. Any safeguards required such as locks, labels, or redun-
dancy, must be provided by the user or specifically requested of Teledyne at the time the
order is placed.
Therefore, the purchaser must be aware of the hazardous process conditions. The
purchaser is responsible for the training of personnel, for providing hazard warning
methods and instrumentation per the appropriate standards, and for ensuring that hazard
warning devices and instrumentation are maintained and operated properly.
Teledyne Analytical Instruments, the manufacturer of this instrument, cannot
accept responsibility for conditions beyond its knowledge and control. No statement
expressed or implied by this document or any information disseminated by the manufactur-
er or its agents, is to be construed as a warranty of adequate safety control under the
user’s process conditions.

iii
Thermal Conductivity Analyzer
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.
Instrument Serial Number: _______________________
Options Available with Order:
❑❑
❑❑
❑2000A-C: Auto Calibration valves (zero/span) built-in gas selector panel
and control valves are electronically controlled to provide
synchronization with the analyzer’s operations.
❑❑
❑❑
❑2000A-G: Stainless steel cell block with nickel filaments and Stainless
Steel fittings and tubing.
❑❑
❑❑
❑2000A-H: Stainless steel cell block with gold filaments for corrosive gas
streams and Stainless Steel fittings and tubing.
❑❑
❑❑
❑2000A-K: 19" Rack Mount available with either one or two analyzers
Control Units installed and ready to mount in a standard rack
❑❑
❑❑
❑2000A-L: Gas selector panel consisting of sample/ref flow meters and
control valves for metering input of sample/calibrations
support gases
❑❑
❑❑
❑2000A-R: Sealed reference cell (application dependent, contact factory).
❑❑
❑❑
❑2000A-N: 220 VAC operation.

iv
Model 2000A-EU
Model 2000A-EU complies with all of the requirements of the
Commonwealth of Europe (CE) for Radio Frequency Interference,
Electromagnetic Interference (RFI/EMI), and Low Voltage Directive
(LVD).
The following International Symbols are used throughout the In-
struction Manual for your visual and immediate warnings and when
you have to attend CAUTION while operating the instrument:
STAND-BY, Instrument is on Stand-by,
but circuit is active
GROUND
Protective Earth
CAUTION, The operator needs to refer to the manual
for further information. Failure to do so may
compromise the safe operation of the equipment.
CAUTION, Risk of Electric Shock
COMBUSTIBLE GAS USAGE WARNING
DANGER
This is a general purpose instrument designed for usage in a
nonhazardous area. It is the customer's responsibility to en-
sure safety especially when combustible gases are being ana-
lyzed since the potential of gas leaks always exist.
The customer should ensure that the principles of operating of
this equipment is well understood by the user. Misuse of this
product in any manner, tampering with its components, or
unauthorized substitution of any component may adversely
affect the safety of this instrument.
Since the use of this instrument is beyond the control of
Teledyne, no responsibility byTeledyne, its affiliates, and
agents for damage or injury from misuse or neglect of this
equipment is implied or assumed.

v
Thermal Conductivity Analyzer
Table of Contents
1 Introduction
1.1 Overview........................................................................ 1-1
1.2 Typical Applications ....................................................... 1-2
1.3 Main Features of the Analyzer ....................................... 1-2
1.4 Model Designations ....................................................... 1-3
1.5 FrontPanel (OperatorInterface) ..................................... 1-3
1.6 Recognizing Difference Between LCD & VFD............... 1-5
1.7 Rear Panel (Equipment Interface) .................................. 1-5
1.8 Gas Connections ........................................................... 1-7
2 OperationalTheory
2.1 Introduction .................................................................... 2-1
2.2 SensorTheory ............................................................... 2-1
2.2.1 Sensor Configuration............................................... 2-1
2.2.2 Calibration ............................................................... 2-2
2.2.3 Effects of Flowrate and Gas Density........................ 2-3
2.2.4 Measurement Results.............................................. 2-3
2.3 Electronics and Signal Processing ................................ 2-3
2.4 Temperature Control ...................................................... 2-5
3 Installation
3.1 Unpacking the Analyzer................................................. 3-1
3.2 Mounting the Analyzer ................................................... 3-1
3.3 Electrical Connections (Rear Panel).............................. 3-3
3.3.1 Primary Input Power............................................... 3-4
3.3.2 Primary Input Power............................................... 3-4
3.3.3 50-Pin Equipment Interface Connector .................. 3-4
3.3.3.1 Analog Outputs .............................................. 3-5
3.3.3.2 Alarm Relays ................................................. 3-6
3.3.3.3 Digital Remote Cal Inputs.............................. 3-7
3.3.3.4 Range ID Relays ........................................... 3-9
3.3.3.5 NetworkI/O .................................................... 3-9
3.3.3.6 Remote Valve Connector ............................... 3-9
3.3.4 RS-232 Port ........................................................... 3-10
3.4 Gas Connections ........................................................... 3-11
3.4.1 Sample System Design .........................................3-13
3.4.2 Pressure and Flow Rate Regulation......................3-13
3.4.3 VENT Exhaust .......................................................3-14
3.4.4 SAMPLE Gas.........................................................3-14

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Model 2000A-EU
3.4.5 REFERENCE Gas ................................................3-15
3.4.6 ZERO Gas .............................................................3-15
3.4.7 SPAN Gas..............................................................3-15
3.5 Testing the System.........................................................3-16
3.6 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
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 ........................................................... 4-9
4.3.5 System Self-Diagnostic Test .................................. 4-9
4.3.6 The Model Screen ................................................. 4-10
4.3.7 Checking Linearity with ALGORITHM ................... 4-10
4.4 The Zero and Span Functions ....................................... 4-11
4.4.1 Zero Cal................................................................. 4-12
4.4.1.1 Auto Mode Zeroing ........................................ 4-12
4.4.1.2 Manual Mode Zeroing.................................... 4-13
4.4.1.3 Cell Failure .................................................... 4-14
4.4.2 Span Cal................................................................ 4-14
4.4.2.1 Auto Mode Spanning ..................................... 4-15
4.4.2.2 Manual Mode Spanning................................. 4-15
4.5 The Alarms Function...................................................... 4-16
4.6 The Range Function ...................................................... 4-18
4.6.1 Manual (Select/Define Range) Screen .................. 4-19
4.6.2 Auto (Single Application) Screen........................... 4-19
4.6.3 Precautions............................................................ 4-21
4.7 The Analyze Function.................................................... 4-22
4.8 Programming ................................................................. 4-22
4.8.1 The Set Range Screen .......................................... 4.23
4.8.2 The Curve Algorithm Screen ................................. 4-25
4.8.2.1 Checking the Linearization ............................ 4-25
4.8.2.2 Manual Mode Linearization ........................... 4-26
4.8.2.3 Auto Mode Linearization................................ 4-27
4.9 Special Function Setup.................................................. 4-28
4.9.1 Output Signal Reversal.......................................... 4.28

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Thermal Conductivity Analyzer
4.9.2 Special - Inverting Output ...................................... 4-29
4.9.3 Special - Polarity Coding ....................................... 4.29
4.9.4 Special - Nonlinear Application Gain Preset.......... 4-29
Maintenance
5.1 Routine Maintenance..................................................... 5-1
5.2 System Self DiagnosticTest........................................... 5-1
5.3 VFD Display .................................................................. 5-2
5.4 Fuse Replacement......................................................... 5-2
5.5 Major Internal Components............................................ 5-3
5.6 Cell, Heater, and/orThermistor Replacement ................ 5-5
5.6.1 Removing the Cell Compartment........................... 5-5
5.6.2 Removing and Replacing the Cell Block ............... 5-6
5.6.3 Removing the Heater and/or Thermocouple .......... 5-7
5.7 Cleaning ........................................................................ 5-4
5.8 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
A-4 19-Inch Relay Rack Panel Mount................................... A-4
A-5 CalibrationProcedure forTGApplication...........................A-5

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Model 2000A-EU

1-1
Thermal Conductivity Analyzer Introduction 1
Teledyne Analytical Instruments
Introduction
1.1 Overview
The Analytical Instruments Model 2000 Thermal Conductivity Ana-
lyzer is a versatile microprocessor-based instrument for measuring a com-
ponent gas in a background gas, or in a specific mixture of background
gases. 2000A-EU Analyzer complies with all of the requirements of the
Comonwealth of Europe (CE) for Radio Frequency Interference and Elec-
tromagnetic Interfaces (RFI/EMI) protection. It compares the thermal
conductivity of a sample stream with that of a reference gas of known
composition. The 2000 can—
• measure the concentration of one gas in a mixture of two gases.
• measure the concentration of a gas in a specific mixture of
background gases.
• measure the purity of a sample stream containing a single
impurity or a mixture of impurities.
The standard 2000 is preprogrammed with automatic linearization
algorithms for a large number of gases and gas mixtures. The factory can
add to this data base for custom applications, or the sophisticated user can
add his own unique application.
This manual covers the Model 2000A-EU General Purpose flush-
panel and rack-mount units only. These units are for indoor use in a
nonhazardous environment.
Many of the Model 2000 features covered in this manual are optional,
selected according to the customers specific application. Therefore, the user
will find much here that does not apply to his instrument. This is unavoid-
able due to the number of possible combinations of features available. We
have endeavored to make the manual as usable and convenient as possible,
in light of this flexibility.

1-2
1 Introduction Model 2000A-EU
Teledyne Analytical Instruments
1.2 Typical Applications
A few typical applications of the Model 2000 are:
• Power Generation
• Air liquefaction
• Chemical reaction monitoring
• Steel manufacturing and heat treating
• Petrochemical process control
• Quality assurance
• Refrigeration and storage
• Gas proportioning control.
1.3 Main Features of the Analyzer
The main features of the Model 2000 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 appli-
cation, or any combination.
• Special recalibration range for multiple applications. Recalibrat-
ing one, recalibrates all.
• Automatic, independent linearization for each range.
• Auto Ranging allows analyzer to automatically select the proper
preset range for a given single application. Manual override
allows the user to lock onto a specific range of interest.
• RS-232 serial digital port for use with a computer or other
digital communications device.
• Two adjustable concentration alarms and a system failure alarm.
• Extensive self-diagnostic testing, at startup and on demand.
• A 2-line alphanumeric display screen, driven by microprocessor
electronics, that continuously prompts and informs the operator.
• High resolution, accurate indication of target or impurity gas
concentration from large, bright, meter readout. (0-9999 ppm
through 0-100 % depending on types of gas involved.)
• Standard, proven sensor cell design.
• Wide range of custom applications, ranges, and linearization.