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GT3000 Toxic Gas Detector

Electrochemical, metal oxide semiconductor and catalytic gas detectors create a reliable first line of defence against hazardous gases.

Our GT3000 (shown with FlexVu Universal Display) incorporates proven electrochemical sensor technology to detect and continuously monitor a wide variety and range of toxic gasses




The Det-Tronics GT3000 line of electrochemical fixed-point toxic-gas detectors provides continuous monitoring of the atmosphere for potentially hazardous toxic gas leaks or oxygen depletion.

The GT3000 family currently includes sensors that detect each of the following gases (additional gases added soon):

  • hydrogen sulfide (H2S) – SIL 2 Approved
  • hydrogen (H2)
  • oxygen (O2) – SIL 2 Approved
  • carbon monoxide (CO)
  • nitrogen dioxide (NO2)
  • ammonia (NH3)
  • chlorine (Cl2)
  • sulfur dioxide (SO2)


the GT3000 is approved as a stand-alone unit and supports local calibration without the FlexVu display


  • The GT3000 detectors simplify service and maintenance tasks by allowing the sensor to be changed under power without de-classification of hazardous areas and by providing easily accessible event log records via the HART communication protocol.
  • Sil-2 Certified for H2S and O2 Sensors


  • Inventory costs and technician training costs stay low because the same transmitter is used for all GT3000 detectors.
  • Commonality of design allows users to simply attach a variety of GT3000 sensors to transmitters


  • The GT3000 family of detectors is well suited for hazardous locations and has been tested by a third party to the Ingress Protection standard, achieving the IP66 rating
  • Available in Explosion Proof Model as well as Intrinsically Safe model.



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