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Detecting gas | Oxygen O2 |
Detection principle | Electrochemistry principle |
Detection method | Fixed line type long-term continuous detection, the detection method of diffusion; |
Fixed continuous online detection, through the external circulation pump, the suction pump (pump test optional); | |
Measurement range | 0-5%Vol, 25%Vol, 30%Vol, 100%Vol (optional, not listed in the range can be customized) |
Resolution | 0.001%VOL,0.01%VOL,0.1%VOL |
Precision | ≤3% (the actual concentration, higher precision according to the requirements of sensor performance) |
Operation mode | Remote operation, convenient setting for infrared remote control |
Repeatability: | ≤±1% |
Zero drift: | ≤±1%(F.S/annual) |
Respond time: | ≤20 s(T90) |
Recovery time: | ≤20s |
Explosion proof mark | Exd II CT6 |
Protection level | IP66 |
Output signal |
Users can according to the actual situation of the environment needs and set, the most far transmission 2000 meters (single core 1mm2 shielded cable) |
Three wire system 4-20mA current signal output, can connect to the alarm controller, DCS, PLC and other control systems (standard configuration) | |
Digital signal RS-485 output, RTU ModBus communication protocol (optional) | |
Frequency signal 200~1000Hz output (optional function) | |
Two sets of relay outputs: 0.5A 220VAC or 0.5A 5VDC | |
Through the wireless module function can realize the remote transmission and state alarm (optional function) of the detection data, and can realize the access of Ethernet. | |
Main body material | Shell: ADC12 aluminum alloy, hard, wear-resistant corrosion-resistant (optional with 316 stainless steel case) |
Air chamber: high strength wear resistance and corrosion resistance of aluminum profile, durable (optional with 316 stainless steel gas chamber) | |
Installation method | The pipeline wall integral (pipe thread specification: M45X1.5mm, optional screw joint pipe adapter, welding) |
Working temperature | -30℃~+60℃(customized) |
Working humidity | ≤95%RH,no condensation (humidity >90%RH, condensation can be matched filter) |
Relative humidity | 10%~95%RH |
Power supply | 24VDC (normal operating voltage range of 12 ~ 30VDC) |
Power consumption | 1.5W |
Working pressure: | ≤200Kpa |
Dimension | 180mm*140mm*92mm(H*L*W) |
Weight: | About 1.6Kg |
Execution standard: | GB15 |