Testo 316-Ex ATEX gas leak detector (methane, propane, hydrogen)

The Testo 316-EX is an ATEX gas leak detector designed for explosive environments, enabling accurate detection of methane, propane and hydrogen. Equipped with a flexible probe and an audible and visual alarm, it offers a resolution of 1 ppm. ATEX-compliant, this compact, self-contained tool guarantees safe leak detection in hazardous areas.

  • The Testo 316-EX can detect three types of gas: methane, propane and hydrogen
  • Flexible probe reaches hard-to-reach areas
  • Audible and visual alarm for rapid leak detection
  • Fine resolution of 1 ppm for accurate leak detection
  • ATEX-approved and compliant with EC directive 2014/30/EU
Additional information

The Testo 316-Ex ATEX gas leak detector features a flexible 200 mm probe, ideal for accessing hard-to-reach places. It displays precise measurements in ppm and %vol, with resolution down to 1 ppm. It has a fast response time (14 seconds), and an audible and visual alarm to warn the user if a leak is detected. It can run for up to 10 hours on two AA batteries, and has an IP54 protection rating, ensuring resistance to dust and splashes.


It comes with a carrying case and batteries, making it a complete, ready-to-use device. Its compact dimensions (135 x 45 x 25 mm) and lightweight (approx. 200 g) make it easy to handle.