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 |