We are testing and modifying various measurement principles for MEMS-based hydrogen detection sensors. These include thermal conductivity measurements, which can determine the concentration of hydrogen in an environment. Another promising approach involves ultrasonic sensors, which can measure low concentrations of hydrogen as well as detect even the slightest impurity.

Exponate

We are presenting our H2-Stick. This novel, miniaturized, plug-and-play hydrogen sensor has a USB interface and can detect hydrogen at concentrations as low as 10 percent LEL. The sensor utilizes the specific thermal conductivity of H₂ for detection. This energy-efficient sensor can measure concentrations between 0 and 100 percent with such precision that potential hazards, such as increased release or explosions, can be detected early on.

We are also introducing an ultrasonic sensor that can detect hydrogen leaks from tanks and pipes. This lossless, optically excited ultrasonic sensor operates with such precision that it can detect the presence of molecules from other substances in the hydrogen, even when it is minimally contaminated. This makes it well-suited for monitoring fuel cells to ensure the purity of the hydrogen and prevent damage to sensitive membranes.