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OPERATING INSTRUCTIONS FOR
Model 3300ZB
Trace Oxygen Analyzer
P/N M3300ZB
2/11/2014
DANGER
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 conduct
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Model 3300ZB Copyright © 2014 Teledyne Instruments/ 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, mechanical, magnetic, optical, manual, or otherwise, without the prior written consent of Teledyne Instruments / Analytical Instruments, 16830 Chestnut Street, Ci
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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: GENERAL WARNING/CAUTION: Refer
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Model 3300ZB 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, som
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Trace Oxygen Analyzer Table of Contents Safety Messages .......................................................................... iii Table of Contents .......................................................................... v List of Figures .............................................................................. vii Introduction ................................................................................... 1 1.1 Overview 1 1.2 Main Features of the Analyzer 1 1.3 Fr
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Model 3300ZB Operation ..................................................................................... 15 4.1 Introduction 15 4.2 Using the Function and Data Entry Buttons 16 4.3 Setting the Analysis Ranges 16 4.3.1 HI Range 17 4.3.2 LO Range 17 4.4 Setting the Alarm Setpoints 17 4.4.1 HI Alarm 17 4.4.2 LO Alarm 17 4.4.3 Sensor Fail Alarm 18 4.5 Selecting a Fixed Range or Autoranging 18 4.6 Calibration 18 4.7 LED Display on StartUp 19 Maintenance ..........................
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Trace Oxygen Analyzer List of Figures Figure 1-1: Front Panel .................................................................. 2 Figure 1-2: Rear Panel .................................................................... 4 Figure 2-1: Block Diagram of the Signal Processing Electronics .... 7 Figure 3-1: Rear Panel Electrical Connectors ............................... 11 Figure 3-2: Contact ID for FAILSAFE Relay Operation ................. 12 Figure 3-3: Piping Diagram ...........
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Model 3300ZB DANGER COMBUSTIBLE GAS USAGE WARNING 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. 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 unauthorize
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Trace Oxygen Analyzer (This page intentionally left blank) Teledyne Analytical Instruments ix
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Trace Oxygen Analyzer Introduction Introduction 1.1 Overview The Teledyne Analytical Instruments (TAI) Model 3300ZB 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
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Introduction Model 3300ZB Compact and rugged control unit, wall-mounting NEMA-4 rated enclosure. 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 P
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Trace Oxygen Analyzer Introduction 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. 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
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Introduction Model 3300ZB Figure 1-2: Rear Panel Power Connection AC Power: 100–240 VAC, 50/60 Hz. The connector housing includes the fuse holder and the power switch. Fuse Holder: Replacing the fuse is described in Chapter 5 - Maintenance. I/O Power Switch: Turns the instrument power ON (I) or OFF (O). Analog Outputs 0–10 VDC concentration output. 0–10 VDC Range ID (or optional over-range) output. 4–20 mADC concentration output, negative ground. Alarm C
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Trace Oxygen Analyzer Operational Theory Operational Theory 2.1 Introduction The analyzer is composed of three subsystems: 1. Analysis unit with zirconium oxide sensor(s) 2. Control unit with signal processing, display and controls 3. Interface unit, supplying signals between 1 and 2. The analysis unit is designed to accept the sample gas and direct it to the sensitive surface of the zirconium oxide sensor. The control unit processes the sensor output and translates it into an e
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Operational Theory Model 3300ZB The sensor is designed for long term stability with an operating life of 5 years. This unit features one or two sensors, and can be custom-designed for a specific range of oxygen analysis. 2.2.2 The Effect of Pressure In order to state the amount of oxygen present in the sample as a specific portion of the gas mixture, it is necessary that the sample diffuse into the sensors under constant pressure. If the total pressure increases, the rate that o
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Trace Oxygen Analyzer Operational Theory 2.3.2 Signal Processing Figure 2-1 is a block diagram of the signal processing electronics described below. Figure 2-1: Block Diagram of the Signal Processing Electronics In the presence of oxygen, the sensor(s) produce a current. A current to voltage amplifier (I–E AMPL) converts this current to a voltage. The output from the I-E amplifier and subsequent buffer circuit (not shown) is sent to an analog to digital converter (ADC), and
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Operational Theory Model 3300ZB RS-232 (optional) output. The same digital information is also sent to a 8-bit digital to analog converter (DAC) that produces the 0-10 VDC analog concentration signal and the 0-10 VDC analog range ID output. A current to voltage converter (E–I CONV) produces the 4-20 mADC analog concentration signal. Teledyne Analytical Instruments 8
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Trace Oxygen Analyzer Installation Installation Installation of the analyzer includes: 1. Unpacking the system. 2. Mounting the control unit to a wall. 3. Making the electrical connections. 4. Making the gas connections. 5. Testing the installation. CAUTION: READ THIS CHAPTER IN ITS ENTIRETY BEFORE INSTALLING THE UNITS. THE MODEL 3300ZB IS FOR INDOOR USE ONLY. THE SAMPLE MUST BE FREE OF ENTRAINED SOLIDS, WATER, OR COMBUSTIBLE COMPOUNDS. 3.1 Unpacking the Analyzer As
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Installation Model 3300ZB 3.2 Location and Mounting 3.2.1 Control Unit Installation The 3300ZB control unit is designed to be wall-mounted in a general purpose, indoor area, away from moisture and the elements. The unit should be installed at viewing level in a sheltered area. CAUTION: FOR THE DC POWERED VERSION, THE CONTROL UNIT CHASSIS MUST BE ISOLATED FROM THE INPUT POWER GROUND. Refer to the Outline Diagram for the physical dimensions of the analyzer, which can be found at th
