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DoraHello, 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.
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SylviaGood gas leak detection instrument !!! High accurate test values :D
4 In 1 Portable Multi Gas Detector Analyzer Detect Toxic Gases And Harmful Combustibles Gas

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xProduct Name | 4 In 1 Multi Gas Detector | Gas | Ex/LEL/CH4/O2/CO/H2S(optional) |
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Data Storage | 100, 000 Entries | Battery | 3.6V Li-on Battery, 4500mAh |
Protection Level | IP65 | Alarm Mode | Audible-visual Alarm,Vibration Alarm,Voice≥75dB@25cm |
Exterior Dimensions | 160×70×28mm | Weight | 300 G |
Highlight | combustibles portable multi gas detector,4in1 portable multi gas detector,4in1 portable multi gas monitor |
MS400 Four-in-One
Toxic and Harmful Gas Detector
1. 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.
2. Large Data Storage Management, Release, and Documentation In No Time
Standard configuration is the data storage capacity for 100, 000 entries.
Real-time storage and fixed time storage are supported, or only the data of the alarm concentration will be stored.
It is supported to use the localhost to view, delete data, and upload the data via USB interface to the computer for data analysis or printing.RS485 communication is an optional configuration.
3. 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. These are also documented in the data logger.
4. 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.
Gases to be detected |
Arbitrary combination of 1 ~ 4 types of gases such as toxic gases, oxygen gas, carbon dioxide, inflammable and explosive gases, TVOC, and so on. Optional configuration: temperature and humidity measurements. |
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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. | ||||
Resolution |
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, 0.01%Vol, 0.001% Vol |
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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. | ||||
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 | ||||
Protection level | IP65 | ||||
Explosion-proof mark | Exia II CT6 | ||||
Exterior dimensions | 160×70×28mm | ||||
Weight | 300 g |
All the cases require 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.