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73 E
00 S R IE S
IN FR A-R E D AN A LY Z R
E
Infrared Gas Analyzer
OPERATING INSTRUCTIONS
Model 7300A
Infrared Gas Analyzer
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 FOR A
P/N M00000
TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
10/13/00
ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT M
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Model 7300A Copyright © 2000 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- 1580. War
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Infrared Gas Analyzer Technician Record Sheet Technician Record Sheet Technician Record Sheet Technician Record Sheet Technician Record Sheet The following data is recorded by the technitian at the end of the testing of the analyzer: APPLICATION (IMPURITY OF INTEREST):__________________ RANGE 1: FROM____________ TO___________ % / PPM (circle one) RANGE 2: FROM____________ TO___________ % / PPM (circle one) RANGE 3: FROM____________ TO___________ % / PPM (circle one) RANGE 4: FROM__________
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Model 7300A iv Teledyne Analytical Instruments
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Table of Contents OPERATING INSTRUCTIONS Model 7300A Infrared Gas Analyzer Table of Contents General Purpose i Teledyne Analytical Instruments
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Model 7300A Infrared Gas Analyzer Table of Contents 1 Introduction 1.1 Overview ........................................................................ 1-1 1.2 Typical Gas Applications................................................ 1-1 1.3 Main Features of the Analyzer ....................................... 1-2 1.4 General .......................................................................... 1-3 1.5 NDIR Analyzer............................................................... 1-3 2 Instal
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Table of Contents 3 Start-up and Theory of Operation ......................................... 3-1 3.1 Preliminary..................................................................... 3-1 3.2 NDIR Analyzer set-up .................................................... 3-1 3.2.1 Initial Set-up and Zeroing ...................................... 3-1 3.2.2 Operational Calibration ......................................... 3.2 3.3 Theory of Operation ......................................................
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Model 7300A Infrared Gas Analyzer 4.4.2 Span Cal................................................................ 4-19 4.4.2.1 Auto Mode Spanning ..................................... 4-19 4.4.2.2 Manual Mode Spanning................................. 4-20 4.5 The Alarms Function...................................................... 4-21 4.6 The Range Select Function ........................................... 4-23 4.6.1 Manual (Select/Define Range) Screen .................. 4-23 4.6.2 Auto Screen
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Infrared Gas Analyzer Introduction 1 1.0 Introduction 1.1 Overview The Teledyne Analytical Instruments Model 7300A Analyzer, is a versatile microprocessor-based instrument. The manual covers the Model 7300A General Purpose 19” Panel/Rack mounted analyzer. Consisting of an Analysis section and Control Unit section. The 7300A Analyzer is for indoor or protected use in General Purpose environments only. 1.2 Typical Gas Applications Chemical and petrochemical processes Gas Analysis • Combustion
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1 Introduction Model 7300A 1.3 Main Features of the Analyzer The Model 7300A Infrared Gas Analyzer is sophisticated yet simple to use. The main features of the analyzer include: A easy-to-use front panel interface that includes a red 5-digit LED display and a vacuum fluorescent display, driven by microprocessor electronics, that continuously prompts and informs the operator. High resolution, accurate readings of concentration from low levels to 100%. Large, bright, meter readout. Versatil
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Infrared Gas Analyzer Introduction 1 being measured. There is a direct correlation between absorption and the concentration of the component of interest in the liquid mixture. 1.5 NDIR Analyzer The Model 7300A contains an optical system consisting of an infrared (IR) source, sample cell, and detectors. In front of the thermopile detectors are four interference-type filters. These filters are designated the reference and measuring filters. The sample flows continuously through the sample cell, ab
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1 Introduction Model 7300A 1-4 Teledyne Analytical Instruments
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Infrared Gas Analyzer Installation 2 2.0 Installation Installation of the Model 7300A Infrared Gas Analyzer includes: 1. Unpacking 2. Mounting 3. Gas connections 4. Electrical connections 5. Testing the system. 2.1 Unpacking the Analyzer/Inspection The analyzer is shipped with all the materials you need to install and prepare the system for operation. Carefully unpack the analyzer and inspect it for damage. Immediately report any damage to the shipping agent. 2.2 Installing and Connecting the A
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2 Installation Model 7300A placed as close to the sample point as possible and bolted to its supporting surface. When installed as a system with enclosure (non-panel or rack mounted) a waterproof mastic should be liberally applied to the under surfaces of all supporting legs of the cubicle system before placing it in position and bolting it in place. 2.2.1 User Connections All user connections are on the back of the equipment panel and appear in the outline diagram in the back of the manual o
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Infrared Gas Analyzer Installation 2 2.2.4 Pipe Connections Refer to Appendix Piping Drawings for information about pipe connec- tions. On special systems, consult the text in the manual that describes your particular sample system in detail. 2.2.5 Sample Delivery System The sample delivery system should be designed to operate reliably and must be of large enough capacity to avoid flow stops. A pump is required only if there is insufficient pressure to reliably supply the sample to the syste
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2 Installation Model 7300A 2.3.1 Primary Input Power The power cord receptacle and fuse block are located in the same assembly. Insert the power cord into the power cord receptacle. DANGER: POWER IS APPLIED TO THE INSTRUMENT'S CIR- CUITRY AS LONG AS THE INSTRUMENT IS CON- NECTED TO THE POWER SOURCE. THE STANDBY ON THE FRONT PANEL IS FOR SWITCHING POWER ON OR OFF TO THE DISPLAYS AND OUT- PUTS ONLY. The standard power supply requires a 110 V ac, 50-60 Hz power source, or 220 V ac, 50-60 Hz power
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Infrared Gas Analyzer Installation 2 4–20 mA dc % Range: Current rises linearly with concentration, from 4 mA at 0 concentration to 20 mA at full scale. (Full scale = 100% of programmable range.) 4–20 mA dc Range ID: 8 mA = Range 1, 12 mA = Range 2, 16 mA = Range 3, 20 mA = Range 4. Table 2-2: Analog Output Connections Pin Function 3 + Range ID, 4-20 mA, floating 4 – Range ID, 4-20 mA, floating 5 + % Range, 4-20 mA, floating 6 – % Range, 4-20 mA, floating 8 + Range ID, 0-1 V dc 23 – Range ID, 0-
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2 Installation Model 7300A 6 0.6 13.6 7 0.7 15.2 8 0.8 16.8 9 0.9 18.4 10 1.0 20.0 To provide an indication of the range, the Range ID analog outputs are used. They generate a steady preset voltage (or current when using the current outputs) to represent a particular range. Table 2-4 gives the range ID output for each analysis range. Table 2-4: Analog Range ID Output—Example Range Voltage (V) Current (mA) Application Range 1 0.25 8
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Infrared Gas Analyzer Installation 2 System Alarm: Actuates when DC power supplied to circuits is unacceptable in one or more parameters. Permanently configured as failsafe and latching. Cannot be de- feated. Actuates if self test fails. (Reset by pressing button to remove power. Then press again and any other button EXCEPT System to resume. Further detail can be found in chapter 4, section 4-5. Table 2-5: Alarm Relay Contact Pins Pin Contact 45 Threshold Alarm 1, normally closed con
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2 Installation Model 7300A Table 2-6: Remote Calibration Connections Pin Function 9 + Remote Zero 11 – Remote Zero 10 + Remote Span 12 – Remote Span 40 Cal Contact 41 Cal Contact Remote Calibration Protocol: To properly time the Digital Remote Cal Inputs to the Model 7300A Analyzer, the customer's controller must monitor the Cal Relay Contact. When the contact is OPEN, the analyzer is analyzing, the Remote Cal Inputs are being polled, and a zero or span command can be sent. When the contact is
