• Beijing Zetron Technology Co., Ltd
    Hello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
  • Beijing Zetron Technology Co., Ltd
    Good gas leak detection instrument !!! High accurate test values :D
Contact Person : Lisa Niu
Phone Number : +86 15699785629
Whatsapp : +8615699785629

H2S CO O2 SO2 Portable Multi Gas Detector Built In Pump Automatic Test

Place of Origin China
Brand Name Zetron
Certification CE
Model Number MS400
Minimum Order Quantity 1 set
Price USD 100/set / 900/set
Packaging Details 160*70*28mm
Delivery Time 1-10 work days
Payment Terms T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability 1000 SET / week

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product Name 4 In 1 Multi Gas Detector Gas Ex/LEL/CH4/O2/CO/H2S(optional)
Response Time <30s Battery 3.6V Li-on Battery, 4500mAh
Charging Time 8 Hours Protection Level IP65
Exterior Dimensions 160×70×28mm Weight 300 G
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SO2 Portable Multi Gas Detector


H2S Portable Multi Gas Detector


Portable CO Gas Detector

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Product Description

MS400 Four-in-One
Toxic and Harmful Gas Detector




Providing protection from up to 4 potential atmospheric hazards including oxygen, combustible and toxic gases, the types of gases for detection are more than 500 types, MS400 is unparalleled in its versatility, capability and overall value.

H2S CO O2 SO2 Portable Multi Gas Detector Built In Pump Automatic Test 0

H2S CO O2 SO2 Portable Multi Gas Detector Built In Pump Automatic Test 1





1.Specially Designed for Use With Its Internal Pump, Optimized for Your Requirements

The MS400 is equipped with a very powerful internal pump.
It can be connected with hoses of up to 45 meters in length.
This means the pump is only operated when you actually need it. 


2.Compact Design, Easy to Use

Handy and durable, the MS400 is intuitive to operate single-handedly using three function keys. The easy-to-read color display clearly lays out all the information for you. 


3.Large Data Storage Management
Standard configuration is the data storage capacity for 100, 000 entries.
Real-time storage and fixed time storage are supported.
It is supported to use the local host to view, and delete data, and upload the data via USB interface to the computer for data analysis or printing. RS485 communication is an optional configuration.


4.Clear signaling Design
The signal system of the MS400 is based on a clear color code: sound & light alarm, vibration alarm, display screen visual alarm.




Gases to be detected

Arbitrary combination of 1 ~ 4 types of gases such as toxic gases, oxygen gas, carbon dioxide, inflammable, TVOC, and so on.

Optional configuration: temperature and humidity measurements.

Detection range 0 ~ 1, 10, 100, 1000, 5000, 50000, 100000ppm, 200 mg/L, 100%LEL, 20%, 50%, 100%Vol, can be selected; and other ranges can be customized.

0.01ppm or 0.001ppm (0 ~ 10 ppm);

0.01ppm (0 ~ 100 ppm),

0.1ppm (0 ~ 1000 ppm),

1ppm (0 ~ 10000 ppm or more),

0.01 mg/l (0 ~ 200 mg/l),

0.1% LEL,


0.001% Vol

Sensor service life Electrochemical principle: 2 ~ 3 years; Oxygen gas: 2 years or 6 years can be selected; infrared principle: 5 ~ 10 years; catalytic combustion: 3 years; thermal conductivity: 5 years; PID photoionization: 2 ~ 3 years.
Linearity ≤±2% Linearity ≤±2% Linearity ≤±2%
Response time T90≤30 seconds Recovery time ≤30 seconds
Power supply 3.6VDC, 4500mA high capacity rechargeable polymer battery
Display mode 2.31-inch high-definition color screen
Communication interface USB (charging and communication), optional: RS485 communication interface
Protection level IP65
Explosion-proof type Intrinsically safe type
Exterior dimensions 160×70×28mm
Weight 300 g
Optional items Temperature and humidity measurement function, 1.2 m retractable sampling handle (1-10 meter hose, and the standard length is 1 meter), 0.4 meter stainless steel sampling handle (with dust filter, not retractable), high temperature sampling and cooling filter handle, high temperature humidity pretreatment system, multiple humidity dust filter, hanging rope, CD-ROM (upper level computer communication software)



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


CO H2S O2 EX 4 in 1 Multi Gas Detector ATEX Dust Proof Buzzer Alarm 2