GasTech Australia Smart Guard series S-GuardTM Series GIR-3000 hydrocarbon detector is a single source dual wavelength instrument. The sensing and reference elements are self-compensating for optical integrity and other signal inhibitors. The industry standard 4 -20 mA analog output provides remote alarm, fault and calibration signals.

Key Features

  • Continuous detection of combustible gas  in explosion hazardous area with flame proof structure
  • State of art Infra red detection principle
  • Long service life (more than 5 years)
  • Low operation cost due to maintenance free
  • Operation at no oxygen environment
  • Self diagnosis function with built-in Microprocessor
  • Rapid response time (with 10 secs)
  • Built in Back Light LCD display
  • Auto calibration and program setting with Manet control
  • Two stage alarm, with one fault relay output
  • 4-20mA DC output signal
  • Easy configuration of monitoring system with RS-485 Modbus(isolated) Serial communication function


  • Refineries
  • Gas turbines
  • Drilling and production platforms
  • Chemical plants
  • Fuel loading facilities
  • Compressor stations
  • Oil well logging
  • Wastewater treatment facilities
  • LNG/LPG processing and
  • storage facilities
  • Transportation facilities

Available Models/ Parts

  • 67-9090-CO2 : S-Guard IR Smart Transmitter, 4-20mA, 0-100% LEL IECex
  • 67-9090-R-CO2 :  S-Guard Smart IR Remote Sensors Smart Transmitter, 4-20mA, 0- 100% LEL IECex

Duct Mount Option


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