• 681000
  • Usually ships in 3-4 weeks



  • Interchangeable sensor heads
    • CH4, C3H8, H2, CO2, CO, RH, RF, °F
  • Sensor exchange during operation
  • Adjustable alarm threshold
  • Graphic color display
  • Acoustical, optical and vibration alerts
  • Long-life, re-chargeable Lithium-ion battery
  • Compact, rugged construction


The 400GD gas detector is one compact device with easy interchangeable sensor heads for multiple applications: Gas leak detection (HC/CH4/C3H8/H2, stack moisture detection, refrigerant leak detection, detector for air quality, and infrared temperature measurement. Perfectly suitable to locate gas leakages in installation areas. The sensor can be introduced to areas with difficult access using the flexible sensor neck.


Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.


Please consider these optional accessories.