External hydrogen sensor for the warning devices GX-A1+ or GX-HS, detects hydrogen from leaking valves of air-conditioning and heat pump systems.High selectivity to hydrogenSmall size and low power consumptionUses a simple circuitThe gas sensor GX-H2 is a sensor for hydrogen (hydrogen) and is used as an accessory for the GX gas warning devices in our product range.The sensor works in dry rooms. The sensor may not be used in rooms where there is a risk of explosion.External sensor for the gas warning devices GX-A1 and GX-HSDetection of R22, R32, R404a, R407c, R410a, R1234yf,Climate Fluoro Carbons are fluorinated refrigerants for air conditioning systems and refrigeration equipmentThe external sensor is suitable for the gas warning devices GX-A1 and GX-HS and is connected to the cable via an RJ connector. The connection cable of the sensor can be extended. The following minimum cross-sections, depending on the length of the cable: Cable cross-section 3 x 0.75 mm²: Maximum length 10 m c