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Extech Ez40 Combustible Gas Detector

KSh 23564

In stock

Extech Ez40 Combustible Gas Detector has a flexible 16-inch goose-neck for easy access into hard to reach locations and it will help you quickly Identifies and Pinpoints Gas Leaks where the leak is coming from. It can detect Natural Gas, Methane, Ethane, Propane, Butane, Acetone, Alcohol, Ammonia, Steam, Carbon Monoxide (not to quantify), Gasoline, Jet Fuel, Hydrogen Sulfide, Smoke, Industrial Solvents, Lacquer Thinner, Naphtha,
Application: HVAC, Oil rigs, Firefighting, etc.

Extech Ez40 Combustible Gas Detector can detect natural gases like Methane, Lacquer Thinner, Alcohol, Ammonia, Gasoline, Jet Fuel, Hydrogen Sulfide, Smoke, Ethane, Propane, Butane, Acetone, Industrial Solvents,  Naphtha, Steam Carbon Monoxide via solid-state sensor which is connected to the flexible gooseneck probe for bending the sensor into the difficult applications. This gas detector is highly sensitive to changes in the environment and includes a thumb controlled sensitivity adjustment wheel which can be used to filter out the effects of background gas levels.

Features Of Extech Ez40 Combustible Gas Detector:

  • High Sensitivity
  • Can Identify the smallest leaks
  • This gas detector as a 406mm long gooseneck for easy access to hard to reach locations
  • Single handed operation with thumb controlled sensitivity adjustments to eliminate background gas levels
  • Audio Visual alarm at 10% (LEL) Lower Explosive Limited for methane
  • Complete with 3 “C” batteries
  • Quickly identifies and pinpoints gas leaks

Additional information



Model No

Ez 40

Measuring Parameters

Acetone, Alcohol, Ammonia, Butane, Carbon Monoxide, Ethane, Gasoline, Hydrogen Sulfide, Industrial Solvents, Jet Fuel, Lacquer Thinner, Methane, Naphtha, Natural Gas, Propane, Smoke, Steam

Pump driven field calibration range



Solid State


Visual and Audible at minimum 10% LEL (40% max) for Methane

Warm-up Time

Approx. 1 minute

Response Time

< 2 seconds (up to 40% LEL)

Duty Cycle


Battery Life

Approx. 8 hours continuous use typical


221 x 72 x 46mm


520 Grams

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Extech Ez40 Combustible Gas Detector

KSh 23564

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