Detection, Protection, Innovation

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Key Product Features

  • Hazardous area use
  • Proven reliable sensors
  • Industry standard 4-20 mA output
  • Stainless steel construction
  • Simple maintenance

The GMT range of detection heads provides a comprehensive range of toxic gas detectors for connection to our gas detection control panels.  They are designed to provide a rugged, reliable, easy to maintain solution to your fixed gas detection needs.

They can be used in safe area locations or, when used with a suitable zener barrier device, in all flammable hazardous areas as they are also designed to be intrinsically safe ( ia ) .

The GMT Range:

GMT - Chlorine
0-20 ppm

GMT - Hydrogen Chloride
0-50 ppm

GMT - Oxygen
0-25 % Volume

GMT - Carbon Monoxide
0-100 ppm 0-500 ppm 0-1000 ppm

GMT - Hydrogen Cyanide
0-100 ppm

GMT - Ozone
0-2 ppm

GMT - Ethylene Oxide
0-20 ppm

GMT - Ammonia
0-50 ppm

GMT - Sulphur Dioxide
0-20 ppm

GMT - Hydrogen
0-1000 ppm

GMT - Nitrogen Dioxide
0-20 ppm

 

GMT - Hydrogen Sulphide
0-100 ppm

GMT - Nitric Oxide
0-100 ppm

 

 

  • Utilises well proven and reliable sensor technology
  • Very robust stainless steel construction
  • Industry standard analogue 4-20 mA o/p
  • Simple construction allows easy sensor replacement
  • Suitable for hazardous area use (with suitable zener barrier) II 1 G EEx IA IIC T4

 

Specification

Certification

See Product Datasheets in Download Section for Individual Gas Specifications

 

Certification II 1 G EEx ia IIC T4
Certificate BAS00ATEX1042X
EMC Regulations EC Directive 89/336/EEC
Low voltage EC Directive 73/23/EEC

Power Supply

Environmental

Supply Voltage:  24v DC ±10 %
Output:  4-20 mA Linear 2/3 wire

See Product Patasheets in Download Section for Individual Gas Specifications

Physical Properties

Weight: 166 gms
Dimensions:  Body 48 mm long x 42 mm diameter
Ingress Protection IP 54 (sensor electronics)

Material:   Stainless Steel EN 316
Mounting Thread 20 mm (1.5 mm pitch)

For use in conjunction with our control panels:

  • SPGA
  • Active-8
  • Active-80
  • 4500