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Hazardous Gas Monitors: A Practical Guide to Selection, Operation and Applications

Table of Contents

1. Introduction     Analytical instruments and monitoring systems
Gas sensors Terms, definitions and abbreviations

2. Electrochemical Sensors     Principle of operation Major components
Characteristics Pressure and temperature Selectivity Life expectancy

3. Catalytic Combustible Gas Sensors     Principle of operation Characteristics

4. Solid-State Gas Sensors     Principle of operation Characteristics
Sensor gas list

5. Infrared Gas Sensors     Principle of operation Key components for analysis
Configuration Characteristics Application

6. Photoionization Sensors     Principles of operation Characteristics
Applications "Lesser known" sensors

7. Other Gas Detection Principles     Flame ionization detectors
Luminescence-based analyzers Radioactive ionization detectors
Paramagnetic oxygen analyzers Solid-state zirconium oxide oxygen detectors
Thermal conductivity detectors Colorometric method
Mass spectrometers Gas chromatographs FTIR

8. Sensor Selection Guide     Factors to consider in selecting sensors
Toxic versus combustible gas monitoring Summary

9. Instrumentation and Sensor Installation     Basic components
Instrument configurations

10. Sampling System and Design     Factors to consider: temperature and humidity,
     air speed, and gas concentration
Major components for sampling systems
Extractive-type sampling system

11. Gas Sensor Calibration     Setting the "zero" reading Span calibration

12. Description of Some Hazardous Gases     Ammonia Arsine
Carbon dioxide Carbon monoxide Chlorine Ethylene oxide
Formaldehyde Hydrogen chloride Hydrogen cyanide Hydrogen fluoride
Hydrogen sulfide Methyl bromide Nitric oxide Phosphine Sulfur dioxide

Appendix I:  PID Correction Factors

Appendix II:  Hazardous Gas Data (384 gases)

Appendix III:  Chemical Names and Synonyms

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View/download PDF versions of:

Gas Sensor Selection Guide (File size: 196K)

Hazardous Gas Data - comprehensive reference on physical and chemical properties for industrial hygiene and occupational health & safety applications (File size: 396K)

PID Correction Factors - a comprehensive reference on PID correction factors for 222 gases (File size: 100K)

Installation & Instructions Manuals for:
MP Controller (File size: 1.1MB)
b) 4-20 IQ (File size: 536K)
SM95 (File size: 567K)

How to Calibrate Sensors
(File size: 427K)

Introduction - from "Hazardous Gas Monitors" book (24 pages)- includes descriptions, "Terms, Definitions & Abbreviations," fully illustrated with charts and graphs, and types of protection (File size: 544K)

About Alarms (File size:148K)

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