Introduction, oogc310 is a flexible portable gas detector for multi-gases(up to 4 gases) leak detection. It can be set with Original city catalytic combustion sensor for combustible gas, while original electro-chemical Sensors for toxic gases and oxygen. The normal gases detected are co, h2s, o2, lel¡ while it Can be set to monitor other four gases. Gc310 has large lcd screen and two instant alarms with Audio/visual and vibratory indicators, making it a favorite indicator for operators working in Demanding industrial environments. Characteristics: Compact, small and lightweight design Two instant alarms with audio/visual and vibratory indicators Large easy to read display of emblems, instantaneous value, peak value, twa and stel. Self test function: self-testing upon start up or need for display, battery, sensor and alarm Warning indicator: regular flashing light and audible alarm. Up to 4 gases design English operation interface and english software Henan chicheng electric co., ltd is a iso9001-2000 certified high-tech import and export Company. With measurement of production license(mc), the explosion-proof certificate(ex) and fire type certificate(cnas)approved, we are in the research and marketing a range of portable and fixed gas detection products, industrial process automation control, safety protection and analytical instrument and we are in zhengzhou henan china. Feel free to contact us if any requiements!