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VANGUARD wireless gas detector for toxic and combustible

The Vanguard WirelessHART gas detector from UNITED ELECTRIC is ideal for monitoring toxic and combustible gases without costly, fixed wiring.

With a five-year battery life and a calibration button, the Vanguard detector is easy to operate and maintain. Each detector has a WirelessHART transceiver, antenna, display, long-lasting power module, gas sensor and signal processor for the gas sensor.

Vanguard uses a sensor architecture with the “Flexsense”trademark, which allows the sensor to identify its target gas and self-configure itself to a Vanguard transmitter when connected.

It is currently available with either a non-dispersive (0-100% LEL) infrared methane sensor (NDIR) or an electrochemical hydrogen sulfide sensor (0-100 ppm).


  • Wireless capability

  • Interchangeable sensors for toxic and combustible gases

  • Interoperable with existing wirelessHART networks and asset management systems (AMS)

  • Easy calibration and operation

  • 5 + years battery life

  • Heavy duty design with hazardous area approvals Class 1, Div 1 and 2


  • Remote and local wireless gas detection
  • Temporary situations in which the cost of establishing a wired solution is completely unfeasible
  • Asset management initiatives


  • Operating temperature: -20 ° C to 50 ° C
  • Supported gases: Methane (CH₄); Hydrogen sulfide (H₂S)
  • Resolution: 1% LEL o 1ppm
  • Accuracy: ± 2% LEL (sensor CH₄); ± 10 PPM (sensor H₂S)
  • Repeatability: ± 2% LEL (sensor CH₄); ± 10 PPM (sensor H₂S)
  • Enclosure: Type 4X
  • Weight: 9.6 lbs (including sensor and battery)

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