4 In 1 Gas Meter Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector Multi Gas Detector For O2 H2S CO

4 in 1 Gas Meter Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector Multi Gas Detector for O2 H2S CO Introduction: ?Portable voice type multi gas detector is a safety device that can continuously detect the concentration of leaking gas. ?It adopts advanced integrated circuit technology, embedded computer control, high-quality gas , with excellent sensitivity and repeatability. ?It uses dot matrix LCD display to support Chinese-English interface and Chinese-English voice prompt, so that users can quickly understand the product and use and maintain it simply. ?High-strength engineering plastics, good seismic resistance, high strength, high-tmospheric appearance and dust-proof, waterproof and explosion-proof function, etc. ?The detector is widely used in petroleum, industry, envmental protection, metallurgy, refining, gas, bio medicine, agriculture, fire protection, Archaeology and other industries and places that need safety monitoring for toxicity and harmfulne, explosion prevention. The detector can effectively predict the concentration of dangerous gases and alarm, so as to ensure the safety of workers and production equipment. Technical parameter: Gas type: EX, H2S, CO, O2 EX Range: (0-100)%LEL; Low alarm: 20%LEL; High: 50%LEL; Resolutio: 1%LEL H2S Range: (0-100)ppm; Low alarm: 10ppm; High: 35ppm; Resolutio: 1ppm CO Range: (0-1000)ppm; Low alarm: 50ppm; High: 150ppm; Resolutio: 1ppm O2 Range: (0-30)%vol; Low alarm: 19.5%vol; High: 23.5%vol; Resolutio: 0.1%vol Precision: ??5%FS Response time: T