HT-1805 4 In 1 Gas Analyzer Detector Portable O2 CO H2S LEL Tester Toxic & Harmful Gas Concentration

Features: This product can detect combustible oxygen, carbon monoxide, h ydrogen sulfide, the concentration of the LEL, providing light, vibration, hum, triple alarm function. Let you get effective and timely alarm signal, thus away from danger. This instrument can be used for agriculture, petrochemical, electric power, fire, gas, steel industry, sewage treatment and other fields. Specifications: O2 measuring range: 0 ~ 30% resolution: 0.1% LEL measuring range: 0 ~ 100% resolution: 1% H2S measuring range: 0 ~ 500 PPM, resolution: 1 PPM CO measuring range: 0 ~ 9999 PPM, resolution: 1 PPM Working temperature: - 10 ~ 50 Working humidity: 15% ~ 90% RH (no condensation) Customizable set alarm value Power supply: 3.7 V lithium battery Package included: 1 x 4 in 1 Gas Detector(Battery Not included) Detail Pictures: