The ideal measuring device for gas and water suppliers, fire brigades, sewage plants, landfills, biogas plants and the chemical industry.

     The EX-TEC GM 4 is the perfect partner for both leak detection in pipelines and monitoring the atmospheric air as well as for measuring gases to monitor chemical or biological processes.


Key Features:

  • Modular device design, basic device without pump (diffusion device) or with integrated pump
  • Electrochemical sensors
  • User can exchange sensors
  • Power supplied by any commercial rechargeable or disposable AA batteries
  • Large, illuminated LCD display
  • Self-test on start-up
  • Easy operation using three keys
  • Internal data memory (PC readout possible)
  • Visual and audible alarms
  • Adjustable alarm thresholds
  • Temperature compensated sensors
  • User menu
  • Function menu for individual device configuration (PIN code protected)
  • Adjustable test gas concentration