Portable Multi Gas Monitor Digital Air Quality Tester Color LCD Display Rechargeable Battery Powered Handheld Gas Detector Analyzer

SPECIFICATIONS Gas type: Oxygen/carbon monoxide/hydrothion/combustible gas Gas measurement range: Oxygen: 0~30%vol/carbon monoxide: 0~999ppm/H2S:0~500 umoppm/combustible :0~100%LEL Resolution:0.1%vol/1ppm/1ppm/1% LEL Detecting principle:Electrochemical sensors High/low & TWA/STEL alarm value setting: Yes Alarm : sound, light alarm, adjustable alarm values, alarm sound up to 80db Operating temperature: -10~50C(except LEL is 0~40C) Operating humidity:15~95%RH(standard) Power: 3.7V li-battery(Built-in) Battery runtime: 6 hours. Product Net Weight : 360g Size : 138*75*43mm STANDARD PACKAGE 1 x 4 in 1 mutil gas monitor 1 x User manual 1 x Charging adaptor 1 x USB cable 1 x Hand carry case 1 x Calibration certificate 1 x CNEX certificate 1 x Color gift paper box

• 〖High Sensitive and Accurate Measurement〗Handheld gas detector for detecting 4 gases, measurement range: Oxygen: 0~30%vol,combustible :0~100%LEL,carbon monoxide: 0~999ppm,hydrothion:0~500 ppm with resolution:0.1%vol/1% LEL/1ppm/ppm.
• 〖High/Low & TWA/STEL alarm function with three alarm methods〗when gas concentration reach preset alarm value, the meter will Sound, light alarm with vibration,meanwhile,alarm value is adjustable based on your specific requirements.
• 〖Digital LCD screen display & compact and unique clip design for easy carrying around〗High density big digital LCD screen display real time gas concentation value;compact size and unique clip design, it is convenient for user to carry around.
• 〖Reachargeable Li-battery durable power supply 〗Bulit-in rechargable 3.7V Li-thion battery, can work continuously 5-6 hours with full charge(slightly vary with working condition).
• 〖Strict and qualified certificate〗This product compiled with following standard and regulation: JJG693; JJG695: JJG915 and GB3836 series anti-explosion standard.