Model 705 High Temperature Sensor flammable gas detector is suitable for use in environments up to 302 F. Sieger catalytic bead technology provides stable operation across a wide temperature range. Features alarm trip points that can be set as low as 5% of the lower exposure limit (LEL) and choice of measuring ranges from 0 to 20% to 0 to 100% LEL. Disposable sensor offers a typical operating life of more than 5 yrs. and 0.7-w. power consumption. Features explosion-proof, U.L.-approved aluminumand a wide range of optional accessories, including weather protection assemblies, flow housings, field transmitters, and bridge-to-analog signal converters.