Gas Monitor 4 in 1 O₂ LEL CO H₂S Gas Detector Rechargeable Alarm Gas Analyzer with Backlight Alarm Function ST8990

Model: ST8990Color: YellowMaterial: ABSCarbon Monoxide Range: 0~999ppmHydrogen Sulfide Range: 0~500ppmOxygen Range: 0~30%VOLCombustible Gas Range: 0~100%LELOperation Current: 220mAShort Circuit Current: ≤3AOperation Voltage: 3.7VMaximum Open Circuit Voltage: ≤4.2ABattery: Lithium batteryBattery Capacity: 2500mAhDisplay Type: Segment type LCDOperation Humidity: 15%~95%RHOperation Temperature: 10℃~50℃Storage Temperature: 0~40℃Item Size: 11.45 * 6.44 * 4.45cm / 4.50 * 2.53 * 1.75inItem Weight: 200g / 7ozPackage Size: 20 * 11 * 7cm / 7.87 * 4.33 * 2.75inPackage Weight: 475g / 16.8oz

• It is capable of detecting 4 kinds of gas: carbon monoxide(CO), hydrogen sulfide(H₂S), oxygen(O₂) and combustible gas(LEL).
• Premium material and selected top quality electronic components ensure excellent sensitivity and accurate measurement.
• Pocket-size, light weight and ergonomics design make it convenient to carry and use.
• Backlight enables you to see the value clearly even in dark environment.
• Various functions meet your demand: gas monitoring, peak value display, low alarm setting mode, high alarm/TWA setting mode, etc.