A new range of hydrogen sensors has been launched using palladium and nickel thin films to measure the level of hydrogen.

Teledyne has announced the launch of its new 2200 series of hydrogen sensors, which can be used in a range of industries to ensure worker safety and to monitor industrial processes.

Teledyne's new range relies on the patented wide range hydrogen sensor (WRS), whereby thin films created from palladium and nickel are used to measure the level of hydrogen present in both low and high ranges.

The low level sensor consists of a capacitor with a palladium and nickel plate on one side, while the high level sensor has a thin film of palladium-nickel on the silicon substrate and this changes resistance when hydrogen is present.

According to Teledyne, no other gases or environmental controls are needed for the sensors to operate, meaning that a reading can be quickly and easily obtained.

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