Features: This multifunctional rechargeable detector can test for combustible gas, oxygen, carbon monoxide, hydrogen sulfide at the same time.With a large LCD screen display the measured results, you can get 4 gases concentration at a glance.This multigas monitor has sound and light vibration alarm, you can set audio alarm decibel that can give you a obvious prompt.Adopting advanced sensor, which gives a quick and accurate measurement.Portable and handheld, easy to operate and carry. Widely used in shipping, mining, oil exploitation, chemical, gas pipeline, tunnel construction, coal, metallurgy, paper, fire, municipal, textile and other industries. Specification: Brand SMART SENSORModel number: ST8900 Operation current 230mA Operation voltage 3.7V Battery type(include) BL-9CPlug typeEU Plug 220V, US Plug 110V (Optional) Operation humidity 15%-95% Storage temperature 0-40℃ Dimension 75*138*43 MM Short circuit current ≤3A Maximum open circult voltage ≤4.2V Display Type Segment type LCD Operation temperature -10℃-50℃ Weight 753/26.6oz Battery working runtime 6 hours(no alarm) Detection Gas Carbon Monoxide(CO, Hydrogen Sulfide(H2S), Oxygen(O2), Combustible Gas(LEL) Resolution CO: 1ppm, H2S: 1ppm, O2: 0.1%VOL, LEL: 1%LELMeasuring range0-999pm(Carbon Monoxide)Measuring range0-500ppm(Hydrogen Sulfide)Measuring range 0-30%(Oxygen)Measuring range0-100%(LEL) Warm up time < 20 Seconds Package List: 1 * Multigas Detector 1 * Plug 1 * USB Data Cable 1 * Case 1 * User Manual 1 * CE Certification 1 * Explosion Proof Certificate
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