Toxic gases and or flammable liquids may be present in this monitoring system.
Personal protective equipment may be required when servicing this instrument.
Hazardous voltages exist on certain components internally which may persist
for a time even after the power is turned off and disconnected.
Only authorized personnel should conduct maintenance and/or servicing.
Before conducting any maintenance or servicing, consult with authorized
supervisor/manager.
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, mechanical,
magnetic, optical, manual, or otherwise, without the prior written consent of Teledyne
Instruments / Analytical Instruments, 16830 Chestnut Street, City of 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 TI/AI or an authorized 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.
Important Notice
This instrument provides measurement readings to its use r, an d serves as a tool b y whic h
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 instrumentation 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 redundancy, must be provided by the user or specifically requested of TI/AI 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 Instruments/ 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
manufacturer or its agents, is to be construed as a warranty of adequate safety control under
the user’s process conditions.
Teledyne Analytical Instrumentsii
Trace Oxygen Analyzer
Safety Messages
Your safety and the safety of others is very important. We have
provided many important safety messages in this manual. Please read
these messages carefully.
A safety message alerts you to potential hazards that could hurt you
or others. Each safety message is associated with a safety alert symbol.
These symbols are found in the manual and inside the instrument. The
definition of these symbols is described below:
GENERALWARNING/CAUTION: Refer to the instructions
for details on the specific danger. These cautions warn of
specific procedures which if not followed could cause bodily
Injury and/or damage the instrument.
No
Symbol
CAUTION:HOT SURFACE WARNING:This warning is
specific to heated components within the instrument. Failure
to heed the warning could result in serious burns to skin and
underlying tissue.
WARNING:ELECTRICAL SHOCK HAZARD: Dangerous
voltages appear within this instrument. This warning is
specific to an electrical hazard existing at or nearby the
component or procedure under discussion. Failure to heed this
warning could result in injury and/or death from
electrocution.
Technician Symbol: All operations marked with this symbol
are to be performed by qualified maintenance personnel only.
NOTE: Additional information and comments regarding a
specific component or procedure are highlighted in the form
of a note.
Teledyne Analytical Instruments iii
Model 3190Z
CAUTION: THE ANALYZER SHOULD ONLY BE USED FOR THE
PURPOSE AND IN THE MANNER DESCRIBED IN
THIS MANUAL.
IF YOU USE THE ANALYZER IN A MANNER OTHER
THAN THAT FOR WHICH IT WAS INTENDED,
UNPREDICTABLE BEHAVIOR COULD RESULT
POSSIBLY ACCOMPANIED WITH HAZARDOUS
CONSEQUENCES.
This manual provides information designed to guide you through
the installation, calibration operation and maintenance of your new
analyzer. Please read this manual and keep it available.
Occasionally, some instruments are customized for a particular
application or features and/or options added per customer requests.
Please check the front of this manual for any additional information in
the form of an Addendum which discusses specific information,
procedures, cautions and warnings that may be peculiar to your
instrument.
Manuals do get lost. Additional manuals can be obtained from
TI/AI at the address given in the Appendix. Some of our manuals are
available in electronic form via the internet. Please visit our website at:
www.teledyne-ai.com.
Teledyne Analytical Instrumentsiv
Trace Oxygen Analyzer
Table of Contents
Safety Messages .......................................................................... iii
5.2.1 When to Replace a Sensor 24
A.1 Specifications 25
A.2 Spare Parts List 26
A.4 Miscellaneous 27
Teledyne Analytical Instrumentsvi
Trace Oxygen Analyzer
DANGER
COMBUSTIBLE GAS USAGE
This is a general purpose instrument designed for use in a
non-hazardous area. It is the customer's responsibility to
ensure safety especially when combustible gases are being
analyzed since the potential of gas leaks always exist.
WARNING
The customer should ensure that the principles of operating
this equipment are 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 Instruments/ Analytical Instruments, referred as
TI/AI, no responsibility by TI/AI, its affiliates, and agents for
damage or injury from misuse or neglect of this equipment is
implied or assumed.
Teledyne Analytical Instruments vii
Model 3190Z
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Teledyne Analytical Instrumentsviii
Trace Oxygen Analyzer Introduction
Introduction
1.1 Overview
The Teledyne Electronic Technologies Analytical Instruments
(TETAI) Model 3190Z is a microprocessor-based trace oxygen analyzer
for real-time measurement of trace amounts of oxygen in inert gases, or
in a wide variety of gas mixtures. It features simple operation, fast
response, and a compact, rugged construction.
1.2 Main Features of the Analyzer
The main features of the analyzer include:
• High resolution, accurate readings of oxygen content from 0-10
parts per million (ppm) through 0-1,000 ppm. Large, bright,
light-emitting-diode meter readout
• Microprocessor based electronics: 8-bit CMOS with on-board
RAM and 16 KB ROM
• Two user selectable ranges (depending on sensor configuration)
allow best match to user’s process and equipment
• Operator can select auto-ranging, allowing the analyzer to
automatically select the proper preset range for a given
measurement or lock the analyzer onto a single range
• Two concentration alarms with adjustable set-points
• Three analog outputs: two for measurement (0–10 VDC and
negative ground 4–20 mADC) and one for range identification
(0-10 VDC).
Teledyne Analytical Instruments 1
Introduction Model 3190Z
• Compact and rugged control unit with flush-panel case.
Designed for indoor use. Front panel NEMA-4 rated.
• External probe
1.3 Front Panel Description
All controls and displays except the power switch are accessible
from the front panel. See Figure 1-1. The front panel has seven
pushbutton membrane switches, a digital meter, and an alarm indicator
LED for operating the analyzer. These features are described briefly
here and in greater detail in Chapter 4 - Operation.
Figure 1-1: Front Panel
Function Keys: Seven pushbutton membrane switches are used to select
the function performed by the analyzer:
•Set HI Alarm Set the concentration ABOVE which an
alarm activates.
•Set LO Alarm Set the concentration BELOW which
an alarm activates.
•Set HI Range Set the high analysis range for the
instrument (up to 0-1,000 ppm).
•Set LO Range Set the low analysis range for the
instrument (down to 0-1,000 ppm).
•Span Span-calibrate the analyzer.
Teledyne Analytical Instruments2
Trace Oxygen Analyzer Introduction
Data Entry Keys: Two pushbutton membrane switches are used to
manually change measurement parameters of the instrument as they are
displayed on the LED meter readout:
Up Arrow Increment values of parameters upwards
as they are displayed on the LED readout.
•Down Arrow Increment values of parameters
downwards as they are displayed on the
LED readout.
Digital LED Readout: The digital display is a LED device that
produces large, bright, 7-segment numbers that are legible in any
lighting environment. It has two functions:
•Meter Readout
As the meter readout, it displays the
oxygen concentration currently being
measured.
• Measurement Parameters Readout
It also displays user-definable alarm set-
points, ranges, and span calibration point
when they are being checked or changed.
1.4 Rear Panel Description
The rear panel contains the electrical input and output connectors.
Separate rear panel illustrations are shown in Figure 1-2 for the AC and
DC powered versions of the instrument. The connectors are described
briefly here and in detail in the Chapter 3 - Installation.
Teledyne Analytical Instruments 3
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