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.
Model：
DR-850
Similar products
DuoRui DR-850 Gas DetectorSPEC
DuoRui DR-850 Gas DetectorDetails
DuoRui DR-850 Gas DetectorPacking list
- SKU
- NB017780
- 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
DR-850
Gas Detector
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.
FAQ
QIs the DR-850 composite Gas detector domestic (CN) or imported?
A
Hello, Dori is a domestic (CN) brand.
QDo you have the compound Gas detector involved in GB16808?
A
The DR-850 Gas detector
QDR-850 Composite Gas detector uses lithium battery or nickel-metal hydride battery?
A
Hello, this one has a built-in lithium battery.
QDR-850 Composite Gas detector Sensors principle is catalytic combustion, electrochemistry?
A
Yes, this model Gas detector adopts catalytic combustion type, electrochemistry principle. Detect gases CO, H2S, O2, EX
Knowledge
- 1Determine why the results provided by the field gas sensor are inaccurate?
- 2How to choose and use a Gas Detector
- 3Gas Detector purchase required common sense
- 4How Gas Detectors and Sensors work
- 5What is the difference between the application of gas alarm diffusion type and pump suction type?
- 6How to perform Gas detection analysis in limited space operations?
- 7How to choose the right Gas detection device?
- 8Gas Detector daily use and verification process precautions
- 9Gas Detector FAQ
- 10Gas Detector verification and calibrating
关武 白旭 曹峰 - 《新疆维吾尔自治区计量测试研究院》
Standard
- 1GB 3836.1-2010《Explosive atmospheres—Part 1:Equipment—General requirements》
- 2GB 15322.1-2019《Combustible Gas Detectors—Part 1:Point-type combustible Gas Detectors for industrial and commercial use》
- 3GB 15322.1-2003《Combustible Gas Detectors--Part 1:Point type Detectors for 0～100% LEL combustible gas》
- 4GB 16808-2008《Combustible gas alarm control units》