Posted in | Hydrogen Sensors

Hydrogen Sensor from Unisense A/S

Hydrogen Sensor With its minute tip size, excellent response time, and insignificant stirring sensitivity the Unisense hydrogen sensor makes it possible to make reliable and fast measurements at high spatial resolution.

The sensor is based on diffusion of hydrogen through a silicone membrane to a hydrogen oxidizing platinum anode which is polarized against an internal reference. The flow of electrons from the oxidizing anode to the internal reference reflects linearly the hydrogen partial pressure around the sensor tip and is in the pA range. The current is measured by a high quality pico amperemeter meter.

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