The TGS 3830 is Figaro's compact MOS gas sensor for detecting R134a refrigerant leaks. Designed particularly for portable refrigerant leak detectors, it combines high sensitivity to R134a with a rapid response, enabling technicians to locate small leaks in air conditioning and refrigeration equipment.

Its miniaturised micro-bead sensing element provides a typical detection range of 5-100 ppm while keeping heater power consumption to approximately 100 mW. The sensor's quick response under flowing-air conditions makes it well suited to pump-driven or suction-type portable instruments. A simple electrical circuit converts the change in sensor resistance into an output signal corresponding to the R134a concentration, offering OEMs a compact and cost-effective alternative to more ...