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Trace Oxygen Analyzer
OPERATING INSTRUCTIONS FOR
MODEL 3000ZA-3X
Trace Oxygen Analyzer
P/N M77579
11/29/11
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 servi
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3000ZA-3X Copyright © 2011 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, mechanical, magnetic, optical, manual, or otherwise, without the prior written consent of Teledyne Analytical Instruments, 16830 Chestnut Street, City of Industry, CA 91749-15
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Trace Oxygen 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 Included in the Instrument with the Above Serial Number: 3000Z
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3000ZA-3X Important Notice Model 3000ZA 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 Instruction Manual. These symbols are visual indicators of important and immediate warnings and when you must exercise CAUTION while operating the instrument. See also the Safety Information on the next
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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 to
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3000ZA-3X 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 and operation of your new analyzer. Please read this manual and keep it available. Occasionally, some instrumen
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Trace Oxygen Analyzer 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 operation 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 ad
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3000ZA-3X Table of Contents Safety Messages ............................................................. v Introduction ..................................................................... 1 1.1 Overview 1 1.2 Typical Applications 1 1.3 Main Features of the Analyzer 1 1.4 Model Designations 2 1.5 Front Panel (Operator Interface) 3 1.6 Rear Panel (Equipment Interface) 5 Operational Theory ......................................................... 7 2.1 Introduction 7 2.
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Trace Oxygen Analyzer 3.5 Testing the System 26 Operation....................................................................... 27 4.1 Introduction 27 4.2 Using the Data Entry and Function Buttons 28 4.2.1 Style Conventions 28 4.2.2 Keys Description 28 4.2.2.1 Arrow Keys 29 4.2.2.2 ENTER 29 4.2.2.3 ESCAPE 29 4.2.2.4 Special Function Keys 30 4.3 Menu/Screen Structure 30 4.3.1 Analyze Screen 30 4.3.2 System Menu 30 4.3.3 Password routine 32 4.3.4 Logout Routine 33 4.3.5 Mode
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3000ZA-3X 4.6 Alarms Menu 41 4.6.1 Alarm Active 41 4.6.2 Alarm Polarity 41 4.6.3 Alarm Failsafe 42 4.6.4 Alarm Latching 42 4.6.5 Alarm Setpoint 42 4.7 Range Menu 43 4.7.1 Range Select 43 4.7.2 Manual Range Select 44 4.7.3 Range Setpoints 44 Maintenance .................................................................. 45 5.1 Routine Maintenance 45 5.2 Sensor Replacement 45 5.2.1 Removing the Sensor 45 5.3 Fuse Replacement 47 5.4 System Self Diagnostic Test 48 5.5 Major
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Trace Oxygen Analyzer List of Figures Figure 1-1: Model 3000ZA Front Panel 3 Figure 1-2: Model 3000ZA Rear Panel 5 Figure 2-1: Model 3000ZA Sample System 8 Figure 2-2: Flow Diagram with Options 9 Figure 2-3: Component Location 11 Figure 2-4: Electronic Block Diagram 12 Figure 3-1: Front Panel of the Model 3000TA 14 Figure 3-2: Required Front Door Clearance 14 Figure 3-3: Rear Panel of the Model 3000ZA 15 Figure 3-4: Equipment Interface Connector Pin Arrangement 18 Figure 3-5: Re
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3000ZA-3X List of Tables Table 3-1: Analog Output Connections 19 Table 3-2: Alarm Relay Contact Pins 20 Table 3-3: Remote Calibration Connections 21 Table 3-4: Range ID Relay Connections 22 Table 3-5: Commands via RS-232 Input 25 Table 3-6: Required RS-232 Options 25 Table 5-1: Self-Test Result Display 48 Table 5-2: Troubleshooting 50 Teledyne Analytical Instruments xii
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Trace Oxygen Analyzer Introduction Introduction 1.1 Overview The Teledyne Analytical Instruments Model 3000ZA Trace Oxygen Analyzer is a versatile microprocessor-based instrument for detecting oxygen at the parts-per-million (ppm) level in a variety of gases. This manual covers the Model 3000ZA General Purpose flush- panel and/or rack-mount units with CE mark. These units are for indoor use in a non-hazardous environment. 1.2 Typical Applications A few typical applications of the Mode
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Introduction 3000ZA-3X Three Zirconium oxide sensors to provide higher range of analysis flexibility. The analyzer can cover ranges as low as 0-10 ppm or as high as 0-95%. No reference gas required Versatile analysis over a wide range of applications. Microprocessor based electronics: 8-bit CMOS microprocessor with 32 kB RAM and 128 kB ROM. Three user definable output ranges (from 0-1 ppm through 0-95%) allow best match to users process and equipment. Auto ranging al
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Trace Oxygen Analyzer Introduction switch between gases in synchronization with the analyzer’s operation. 3000ZA-M: This model has current output signals (4-20- mA) for ppm range and range ID, in addition to voltage outputs. 3000ZA-V: Gas flow through the cell block in this model is driven by vacuum downstream from the cell block instead of upstream pressure. The internal restrictor is located downstream from the cell block to support this configuration. All other standard features
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Introduction 3000ZA-3X Function Keys: Six touch-sensitive membrane switches are used to change the specific function performed by the analyzer: Analyze Perform analysis for oxygen content of a sample gas. System Perform system-related tasks (described in detail in chapter 4, Operation.). Span Span calibrate the analyzer. Zero Zero calibrate the analyzer. Alarms Set the alarm setpoints and attributes. Range Set up the 3 user definable ranges for the instrument. Data E
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Trace Oxygen Analyzer Introduction Standby Button : The Standby turns off the display and outputs but circuitry is still operating. CAUTION: THE POWER CABLE MUST BE UNPLUGGED TO FULLY DISCONNECT POWER FROM THE INSTRUMENT. WHEN CHASSIS IS EXPOSED OR WHEN ACCESS DOOR IS OPEN AND POWER CABLE IS CONNECTED, USE EXTRA CARE TO AVOID CONTACT WITH LIVE ELECTRICAL CIRCUITS. Access Door: For access to the ZrO sensors, the front panel swings open when the 2 latch in the upper right corn
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Introduction 3000ZA-3X Power Connection Universal AC power source. Gas Inlet and Outlet One inlet (must be externally valved) and one exhaust out. Three inlets when option “C” is ordered. 9-Pin RS-232 Port Serial digital concentration signal output and control input. 50-Pin Equipment Interface Port Analog Outputs: 0–1 VDC oxygen concentration plus 0-1 VDC range ID Alarm Connections: 2 concentration alarms and 1 system alarm. Remote Valve: Used in the 3000ZA for c
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Trace Oxygen Analyzer Operational Theory Operational Theory 2.1 Introduction The analyzer is composed of three subsystems: 1. Three Zirconium Oxide (ZrO ) Sensors. Each one has a 2 specific range of analysis: Low range sensor of 0-200 ppm, medium range sensor of 0-2 %, and high range sensor of 0-95%. 2. Sample System 3. Electronic Signal Processing, Display and Control The sample system is designed to accept the sample gas and transport it through the analyzer without contaminating o
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Operational Theory 3000ZA-3X One of the three sensors has been modified (0-200 ppm range) to sense low levels of oxygen—less than 1 ppm and generate a current proportional to the concentration. The sensor is designed for long term stability and an operating life of 5 years. 2.3 Sample System The sample system delivers gases to the ZrO sensors, located on 2 the cell block, from the analyzer rear panel inlet. Depending on the mode of operation either sample or calibration gas is del
