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Comprehensive, illustrated descriptions of each of the five sensor technologies.

18-page PDF; 184 KB

9-page PDF; 204 KB

18-page PDF; 476 KB

9-page PDF; 204 KB

Catalytic Bead
9-page PDF; 212 KB

For more information , contact:
Tel: (U.S. & Canada)1-800-478-4271; (International) 1-949-452-9000
Fax: 1-949-452-9009;  E-mail:

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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)

> Grain Silo Fumigation: How to Make a Sensor Work as a Process Analyzer (Australia)

> CO Monitoring in Parking Garages and Tunnels in Switzerland

> H2S Monitoring/Datalogging in Manholes and Lift Stations in Las Vegas, Nevada