Combustible Gas Leak Detector


The ET120 is an easy-to-use tester that provides audible and visual alarms in the presence of methane, propane, and other combustible gases at concentrations as low as 50 ppm making it the perfect choice for HVAC professionals.


  • Detection range: 50 to 10,000 ppm* (*based on Methane)
  • Two levels of detection: High (50 to 1,000 ppm) and Low (50 to 10,000 ppm)
  • Five red LED's (visual) and 85db audible alerts that increase with gas concentration
  • Automatic zero-point calibration at power-up
  • 18-in. flexible gooseneck expands sensor's reach; clips onto device for storage
  • Over-molded body for comfortable grip
  • Auto power-off after 10 minutes of non-usage conserves battery life
  • Electrochemical sensor with up to 7 years of life
  • Includes detector, 4xAAA batteries, instruction manual and storage pouch
  • NOTE: Gas Detector is NOT intended for use as personal protection equipment (PPE).


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