Klein Tools ET120 Combustible Gas Leak Detector

Klein Tools Model: klnnet120
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Klein Tools ET120 Combustible Gas Leak Detector Klein Tools Model: klnnet120
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Product Features & specs :

Klein Tools ET120 Combustible Gas Leak Detector


The ET120 is it the perfect choice for HVAC professionals. It 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. It features two levels of sensitivity depending on users' needs: High (approximately 50 to 1000 ppm) and Low (approximately 1000 to 10000 ppm).


  • Detection range: Approximately 50 to 10000 PPM (based on Methane)

  • Two levels of sensitivity: High (approximately 50 to 1000 PPM) and Low (approximately 1000 to 10000 PPM)

  • Five red LED's (visual) and 85dB audible alerts that increase with gas concentration

  • Automatic zero-point calibration at power-up (lights will flash during self-calibration; this does not indicate the presence of gas)

  • 18 in. flexible gooseneck expands sensor's reach; clips onto meter for storage

  • Over-molded body for comfortable grip

  • Auto power-off after 10 minutes of non-usage conserves battery life

  • Includes detector, (4) AAA batteries, instruction manual and storage pouch

What’s Included:

  • Combustible Gas Leak Detector - ET120

  • (4) AAA Batteries

  • Instruction Manual

  • Carrying Pouch

Detectable Gases

Methane/Propane/Other Combustible Gas

Detection Ring (PPM)

50 - 10000

Wifi compatibility



28.3 in.


1.79 in.


2.71 in.


0.837 lbs.

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