The testo 513 combines fast, reliable gas detection with the practical features professionals rely on. It quickly identifies methane, propane, butane and hydrogen leaks, with rapid response and recovery times that make precise localization easy through its pinpoint mode. Automatic zeroing and flexible display options streamline daily work, while the user‑replaceable sensor minimizes downtime and keeps operating costs low. A dependable choice for efficient leak detection in both residential and industrial systems.

The testo 515 Ex provides fast, precise leak detection down to 1 g/a with response times under 2 seconds. Its flexible gooseneck ensures safe measurements in tight spaces, while color and trend displays support accurate pinpointing. With interchangeable sensors for refrigerants and flammable gases and ATEX certification, it delivers reliable performance in demanding, hazardous environments.

The testo 515 Ex offers fast, highly sensitive leak detection down to 1 g/a with response times under 2 seconds. Its flexible gooseneck enables safe measurements in hard‑to‑reach areas, while clear display modes with color and trend visualization support precise leak localization. Interchangeable sensors for flammable gases and refrigerants, combined with ATEX certification, make it a versatile and safe tool for demanding environments.

The testo 515 Ex provides fast, highly sensitive leak detection down to 1 g/year, with response times of less than 2 seconds. Its flexible gooseneck probe enables safe measurements in hard-to-reach areas, while clear display modes featuring colour-coded and trend visualizations support precise leak localization. Interchangeable sensors for flammable gases and refrigerants, combined with ATEX certification, make it a versatile and safe tool for demanding environments.

With a response time of under two seconds and a sensitivity of 1-3 g/a, leaks can be located quickly and safely during routine service work.

The Basic Combi Gas Sensor enables fast and reliable detection of the most common ﬂammable gases &mdash; including methane, propane, butane, hydrogen and forming gas &mdash; when used with the testo 513 or testo 515 Ex.

testo 51x - basic combi sensor gas

testo 51x - basic combi sensor gas