Beijing Zetron Technology Co., Ltd CN

MS104K-S2 Personal 4in1 Gas Detector

MS104K-S2 is a compact, ultra-low power consumption, mobile gas detector for rapid detection of gas concentration. We provide gas detector OEM/ODM serves.


MS104K-S2 Portable Diffusion Gas Detector 


MS104K-S2 portable gas detector adopts a high-counting array display to display the concentration in real time and record storage. MS104K-S2 is a compact, ultra-low power consumption, mobile gas detector for rapid detection of gas concentration.


Protection levelI P65, up to IP68 needs special treatment, waterproof splash, dust proof, explosion-proof, shock proof, intrinsically safe circuit design, anti-static, anti-electromagnetic interference.

Small size, light weight, easy to carry.

Using 11800mA power battery, can work for along time, stand by time of 1year, rechargeable.

Up to 1~4 kinds of gases can be detected at the same time, free switching of units.

Optional units: umol/mol, PPM, mg/m3, Vol%, LEL%, PPHM, PPB.

Stand by time: one year, including flammable duration: 100hours, without flammable:400hours.

Support infrared, Blue tooth, LOLA, NB-IOT wireless interconnection function.  

Gases to be detected  Range  Minimum reading Response time T90
Combustible gas ( EX )   0-100%LEL   0.1%LEL  ≤10 seconds
Methane ( CH4 )  0-100%LEL   0.1%LEL  ≤10 seconds
Oxygen gas ( O2 )  0-30%Vol   0.01%Vol  ≤10 seconds
Carbon monoxide ( CO )  0-100ppm  0.1ppm  ≤25 seconds
Carbon dioxide ( CO2 )  0-500ppm  1ppm ≤20 seconds
Ozone ( O3 ) 0-1ppm  0.001ppm ≤20 seconds
Hydrogen sulfide ( H2S )  0-10ppm 0.001ppm ≤30 seconds
Sulfur dioxide ( SO2 )  0-10ppm 0.001ppm ≤30 seconds
Nitric oxide ( NO ) 0-10ppm 0.001ppm ≤30 seconds
Volatile gases ( PID )  0-10ppm 0.001ppm ≤30 seconds

Tag: Diffusion gas monitor, Multi gas monitor , Gas leak detector, Gas alarm detector, O3 gas analyzer, Methane leak,  NO detector, Ozone monitor, Mini 4in1 gas meter, OEM/ODM gas detector


Detection gas

Complex gas (carbon monoxide CO, hydrogen sulfide H2S, oxygen O2, flammable gas EX) or any other single gas, except individual sensors with high power consumption
Detection range CO (0 ~ 1000ppm), H2S (0 ~ 100ppm), O2 (0 ~ 30%VOL), Ex (0 ~ 100%LEL),Other range can be customized
Display mode HD LCD dot matrix display, double button operation
Detection accuracy ≤±3% (F.S)
Response time T90≤30s
Data storage Standard 20,000 pieces of data capacity, Support the local view, delete or data export, storage time interval arbitrary Settings
Communication interface Infrared communication, Optional Bluetooth, LORA communication, etc
Explosion-proof mark Exia II CT4 Ga
Protection grade IP65, Dustproof, Waterproof splash
Dimensions 77×68×35mm(L×W×H)
Weight Less than 150g


MS104K-S can apply to petroleum, chemical industry, pipe network inspection, medicine, environmental protection, storage and other occasions that need to detect gas concentration.


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