The H2-AF / H2-AF+ Hydrogen Sensor is a 3-electrode electrochemical hydrogen sensor designed for ppm-level detection of hydrogen gas in a wide range of applications, including portable gas detectors, fixed gas detection systems, industrial safety, environmental monitoring, and process control.
The sensor is available in two variants: the standard H2-AF and the H2-AF+ with Integrated Smart Technology (IST). The H2-AF+ incorporates an onboard memory chip and temperature sensor, enabling storage of calibration and identification data for plug-and-play operation and improved temperature compensation. The sensor provides a strong, repeatable response to hydrogen with low cross-sensitivity to other gases such as carbon monoxide.
Alphasense provides high-performance gas sensing technology critical for safety and leak detection across the hydrogen value chain. Their specialized sensors—including electrochemical cells for ppm-level detection and Pellistor (Catalytic Bead) sensors for LEL monitoring—are designed to detect hydrogen leaks in production facilities, storage areas, and fuel cell enclosures. By offering miniaturized, low-power components with fast response times, Alphasense enables OEMs to build reliable, portable, and fixed safety systems that protect personnel and infrastructure from hydrogen's high flammability.
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