1
Detection principle | Electrochemical detection principle | ||
Measuring range | 0-100ppm、200ppm、500ppm、1000ppm、2000ppm、5000ppm | ||
Resolution | 0.01ppm(0-100)、1ppm(0-5000) | Gas unit | ppm、mg/m3 |
Signal output | 4-20mA、RS-485、Switching value | Mode of connection | 4-20mA (three-wire system, two-wire system) RS-485 (four-wire system) |
Precision | ≤±3%(F.S) | Repetitiveness | ≤±1% |
Detection mode | Diffusion type, pump suction type (optional) | Alarm mode | Sound, light alarm (optional) |
Installation mode | Wall type, pipe flow type | Zero drift | ≤±1%(F.S/ year) |
Linear error | ≤±1% | Recovery time | ≤30 seconds |
Response time | ≤20 seconds | Levels of protection | IP65 |
Explosion-proof type | Explosion-proof Exd Ⅱ CT6 | Relative humidity | 10%~95%RH (non-condensed) |
Explosion-proof number | CNEx16.2947X | Service voltage | DC 24V |
Working temperature | -20℃~+70℃ | Sensor life | More than two years |
Transmission distance | ≤2000m | Cable selection | Rvv 0.75 shielded cable |
Pressure limitation | 86-106 KPa | Maximum power dissipation | 2.5W |
Size | 230*180*90(mm) | Weight | 1.2kg |