Viessmann Gas Leak Detector 400GD H402

You Save £202.80
£576.00 inc VAT
2 In Stock

Gas Leak Detector.


The Viessmann GD400 is a professional gas leak detector for NAT GAS, LPG and H2 which is not just only able to detect gas leaks, but display the value in both numerical and graphical mode; this is what makes it different from other gas sniffers in the market place.

The 400GD display values in ppm, % LEL or LEL., it uses plug and play pre-calibrated sensor and can be extended to other measurements such CO2 ppm (ambient) , CO ppm, Gas Refrigerants, and Indoor measurements.
Sensors are plug and play and can be added any time.
The 400GD allow you to generate a QR code for the measurement taken and automatically email them to a nominated email address using standard smart phone features.

Features and benefits

  • Flexible goose probe
  • Flexible goose probe
  • Suitable for Nat Gas, LPG and H2
  • Display value in ppm, % , % LEL both numerically and graphically
  • Uses Plug & Play Sensors
  • Programmable Alarm Threshold
  • Acoustic, Visual and Vibration alarm
  • Long Lasting Li-ION rechargeable batteries
  • Charges via mini USB
  • Graphic TFT display
  • Generate QR code with measurement values


  • 400GD Gas Leak Detector Hand Held Device
  • HC400 sensor for NAT GAS, LPG and H2
  • USB Charger and Lead
  • Calibration Certificate

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