Cảm biến đo khí Del-Tronics PointWatch PIR9400
The PointWatch PIR9400 Infrared detector offers the lowest cost of ownership for detection of hydrocarbon combustible gases and vapors. It is virtually maintenance free and will detect gas concentrations within the 0 to 100% LFL range with a corresponding 4-20 mA output signal. Benefits include continuous self-testing, immunity to poisons such as silicone and hydrides, and the ability to perform under harsh conditions.