SEM325 Sulfur dioxide SO2 sensor uses electrochemical technology to measure SO2 concentration, and the reaction is rapid and sensitive. The transmitter is widely used in air quality testing and other occasions where SO2 and temperature and humidity testing are required.
SEM325 Sulfur dioxide SO2 sensor uses electrochemical technology to measure SO2 concentration, and the reaction is rapid and sensitive. The transmitter is widely used in air quality testing and other occasions where SO2 and temperature and humidity testing are required.
| Power supply | 10~30VDC (0~10V type only supply 24VDC) |
| SO2 range | 0~20.00ppm（default） |
| Output signal | RS485、4~20mA、0~5V、0~10V |
| Accuracy | <20ppb |
| Range | Temperature: -40℃~80℃ |
Humidity: 0~100%RH | |
| Accuracy | Temperature: ±0.5℃ |
Humidity: ±3%RH | |
| Average power consumption | 0.18W |
| Data update time | 2s |
| Stability | <10% |
| Response time | 90% step change is generally less than 50S |
| Working environment | -20℃~+50℃, 15%RH~90%RH |
| SO2 Resolution | 0.01ppm |
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