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Intrinsically Safe Gas Leak Detector – Ultrasonic Surveyor

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Intrinsically Safe Gas Leak Detector – Ultrasonic Surveyor

Intrinsically Safe Gas Leak Detector – Ultrasonic Surveyor 

The Surveyor is an Intrinsically Safe Gas Leak Detector that detects gas leaks by sensing the airborne ultrasound emitted from leaking gas at high pressure.

Ultrasonic gas detection is based on robust and proven microphone technology and designed for long and fail-safe operation in extreme environmental conditions. Because the Gassonic Surveyor responds to the source of a gas release rather than the dispersed gas, it is unaffected by changing wind directions, gas dilution, and the direction of the gas leak.


  • Advanced stainless steel microphone provides instant detection of high pressure gas leaks with coverage up to 20 meter in radius
  • 4-20 mA output for remote alarm and fault indication
  • One-person sound check and calibration for high reliability and trouble free maintenance
  • Intrinsically safe, EExi design integrates cable termination. No extra junction box needed
  • LED display provides visual indication for various detector functionalities


  • Compressor stations
  • Drilling rigs and platforms
  • FPSO
  • Gas gathering facilities
  • Hydrogen storage
  • LNG
  • Oil and gas production platforms
  • Petrochemical
  • Refineries