Detection Factor Single gas (carbon monoxide CO, hydrogen sulfide H2S, oxygen O2, combustible gas Ex, carbon dioxide CO2, VOC, etc.), depending on the site environment and user requirements Detection Range Depends on the site environment and user needs Detection Principle Electrochemical, catalytic combustion, infrared, thermal conductivity, semiconductor, PID photoionization, etc., depending on the range, site environment and user needs Sensor life Electrochemical 2-3 years, catalytic combustion 2-3 years, infrared 5-10 years, thermal conduction 2-5 years, PID 2-3 years Measuring method Built-in pump suction, can be switched to diffusion, diffusion + pump suction detection mode Display content Real-time concentration, unit, gas name, alarm status, time, storage status, communication status, power, charging status, etc. Detection accuracy Typical precision: ≤±3% FS (optional higher precision sensor) Response time Recovery time Operating power supply DC3.7 V*2 Battery capacity 2500mAh rechargeable polymer battery, with over-charge, over-discharge, over-voltage, short-circuit, overheating protection function. Temperature: -20℃~+60℃, customizable -40℃~+70℃; Relative humidity: 10-95%RH Communication Interface Standard Type-C (2 hours fully charged) Data storage Standard capacity of not less than 100,000 items; support for local view, delete or data export, storage time interval arbitrary settings Interface language Chinese, English and other languages can be customized Explosion-proof type Protection class Housing material High-strength corrosion-resistant fire-resistant polycarbonate and rubber protective cover, drop-proof wearresistant anti-static, effective drop resistance ≥ 5 meters are to quickly and accurately detect gas leaks or gas concentration exceeding the alarm limit. The main detection principles of gas detection are: electrochemical, infrared, Standard accessories Calibration cover, pump suction nozzle, manual, certificate of conformity, USB charger (including data cable), instrument packaging color box Overview The main functions of MS104K-L portable gas detector are for The main functions of the MS104K-L portable gas detector catalytic combustion, thermal conductivity, PID ①0.2 meters swan neck sampling probe; photoionization, etc. The MS104K-L is widely used in ②activated carbon filter; firefighting, emergency rescue, confined space, petroleum, Optional accessories ③0.4 meters stainless steel sampling handle (including 1 meter hose); chemical industry, metallurgy, refining, gas, storage, medicine, ④0.9 meters retractable sampling handle (including 1 meter hose); environmental protection, air treatment and other occas

Schedule of common gases (other ranges and corresponding resolutions can be customized) Detected Gases Minimum Reading Detected Gases Minimum Reading Hydrogen Bromide(HBr) Hydrazine, hydrazine hydrazide (N2H4) Hydrazine, hydrazine hydrazide (N2H4) Nitrogen dioxide Nitrogen dioxide Hydrogen Cyanide(HCN) Hydrogen Chloride(HCL) Beijing Zetron Technology Co., Ltd Email: [email protected] Built-in pump suction measurement, can be switched to diffusion, diffusion + pump suction detection mode Pump clogging alarm LED lighting (optional) Unit free switching, unit optional: umol/mol, ppm, pphm, ppb, mg/m3,...