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Gas Detector
1 Overview
Point-type gas detector is new detection equipment, which combines high-performance catalytic combustion gas sensitive components and sophisticated SMD craftsmanship. The gas detector has good repeatability, good abilities of anti-interference and anti-wet temperature, and has long life. And it is easy to operate. Point-type gas detector can transform the signal of the gas concentration in the air to an electrical signal and pass the electrical signal away. It is with 4-20MA analog standard three-wire configuration. The detected result can be checked far away from the site through monitoring instrument or controller. This gas detector applies to variety of flammable industrial sites which require explosion-proof, gas poisoning prevention measures, such as gas pipe network, chemical industry, gas stations.
2 Technical Index
2.1 Parameter
|
Product Name |
Technical Index |
|||
Measuring Range |
Resolution |
Accuracy |
Output Way |
|
Point Type Gas Detector |
(0~ 100)%LEL |
1%LEL |
±5% FS |
Three Lines 4-20MA |
Point Type Gas Detector |
(0~ ****)ppm |
1ppm |
±5% FS |
Three Lines 4-20MA |
2.2 Other Technical Index
Detection principle: catalytic combustion; electrochemical
Resolution: determined according to the type of gas
Gas: Natural gas (methane), liquefied petroleum gas (propane), hydrogen, iso-butane and other combustible gases and toxic gases.
Sampling method: natural diffusion;
Ambient temperature: -20 ℃ ~ 50 ℃;
Relative humidity: <95%;
Anti-explosion levels: Ex d ⅡC T6 Gb;
Power source: DC24V ± 25%;
Power consumption: 2W / channel;
Cable: RVVP 1.5mm2 × 3
Transmission distance: ≤800m;
Total Weight: ≤1100g;
Pressure limit: 86kPa ~ 106kPa.
Application: At hazardous sites with explosive flammable gas level: IIA ~ IIC
Temperature class: T1 ~ T6
3 Detector Component
Point-type gas detectors consist of the shell, electronic circuit board, the sensor component and other components.
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