Beijing Zetron Technology Co., Ltd CN

MS500-2 4 In 1 Handheld Gas Detector

MS500 gas detector is used for portable and rapid detection of toxic and hazardous gas concentration, temperature and humidity measurement and alarm.


MS500-2 Portable 4 in 1 gas detector

MS500-2 gas detector is used for portable and rapid detection of toxic and hazardous gas concentration, temperature and humidity measurement and alarm. The MS500 can detect gas concentrations in pipelines or confined spaces, atmospheric environments, gas leaks or various background gases such as ammonia or oxygen with high concentrations of single gas purity, and more than 500 types of gases.

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
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


Compound gases 

( TVOC )
0-10ppm 0.001ppm ≤30 seconds

Tag: Pump gas monitor, Four in one gas detector , Handheld gas leak detector, Gas alarm detector, Toxic and harmful gas analyzer, Carbon monoxide detector, Methane leak monitor, Portable gas alarm, OEM/ODM gas detector


Gases to be detected
Detection range
O2:0-30%VOL,CO:0-100ppm, H2S:0-100ppm,EX:0-100%LEL
and other ranges can be customized.
O2:0.01%VOL, CO:0.1ppm, H2S:0.01ppm,EX:1%LEL
Allowable error
≤±2% F.S (other or higher precision levels can be customized)
Working environment
Temperature: -40 ℃ ~ + 70 ℃, humidity: ≤10 ~ 95% RH, and built-in filters can be used in high humidity or high dust environment.
Power supply
3.6VDC, 5500mA high capacity rechargeable polymer battery
Detection mode
Built-in pump-suction type measurement, and flow rate at 500 ml / min. Calibration flow rate should be greater than 500 ml / min,
three-way pipe should be connected, so as to ensure that the excessive gas will be discharged from the bypass
Alarm mode
It is possible to set as sound & light alarm, vibration alarm, sound & light + vibration alarm, Turning off the alarm.
Data storage
Standard configuration is the data storage capacity for 100, 000 entries
Protection level
Explosion-proof mark
Exia II CT6
Exterior dimensions
180×78×33mm (L×W×H)
Standard accessories
Manual, qualification certificate, warranty card, USB charger (including the data cable), high-grade aluminum instrument case,
belt clip, humidity dust filter


Application scenarios

All the cases which requires the portable rapid detection of gas concentrations such as petroleum, chemical, pharmaceutical, environmental protection, combustion gas distribution, warehousing, smoke gas analysis, air governance, and so on.


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