DUORUI DR-850 Gas Detector EX/CO/H2S/O2 gas detection
DUORUI DR-850 Composite Gas Detector can simultaneously detect gas, carbon monoxide, hydrogen sulfide, oxygen four gas concentrations, is a four-in-one Gas Detector, DR-850 Composite Gas Detector has 200,000 record query function, using catalytic combustion, electrochemistry principle.
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DR-850 Composite Gas Detector is a practical Gas Detector with four gases in one and high cost performance. The DR-850 composite Gas Detector can detect four different gases: EX, CO, H2S, and O2.
















DuoRui DR-850 Gas DetectorSpecifications
| LIST | VALUE |
|---|---|
| Detect gas | CO、H2S、O2、EX |
| Error of indication | ±5%FS |
| Sampling method | diffusion |
| Sensors principle | Catalytic combustion, electrochemistry |
| Resolution | 0.1%LEL(EX),1ppm(CO),0.1ppm(H2S),0.1%vol(O2) |
| Response time | T90≤60s |
| Shell material | Engineering Plastics |
| Operating temperature | -20~50℃ |
| Environmental humidity | 0~95% RH non-condensation |
| service life | 2-3 years (depending on the environment) |
| display language | Chinese + Digital + Image |
| Dimensions | 145*65*31mm |
| Operating Time | Fully charged sustainable work greater than 20h |
| Display | LCD screen |
| display content | Gas name, Measured value |
| Alarm mode | Sound, light, vibration |
| Explosion-proof sign | Ex d IIC T3Gb |
| security certification | CMC |
| alarm point | High/low alarm point |
| Power Supply | Built-in lithium battery |
| Battery Specifications | 3.7v/1600ma |
| Power Supply | Rechargeable |
| Weight | 260g |
| Operation mode | key |
DuoRui DR-850 Gas Detector Packing list
machine X1, manual X1, certificate X1, warranty card X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Determine why the results provided by the field gas sensor are inaccurate?
- How to choose and use a Gas Detector
- Gas Detector purchase required common sense
- How Gas Detectors and Sensors work
- What is the difference between the application of gas alarm diffusion type and pump suction type?
- How to perform Gas detection analysis in limited space operations?
- How to choose the right Gas detection device?
- Gas Detector daily use and verification process precautions
- Gas Detector FAQ
- Gas Detector verification and calibrating


DR-850





