SEM321 Wall mounted Carbon monoxide transmitter Using electrochemical technology to measure CO concentration, the reaction is rapid and sensitive. The transmitter is widely used in air quality testing, smart home and other occasions where CO and temperature and humidity testing is required.
SEM321 Wall mounted Carbon monoxide transmitter Using electrochemical technology to measure CO concentration, the reaction is rapid and sensitive. The transmitter is widely used in air quality testing, smart home and other occasions where CO and temperature and humidity testing is required.
| Power supply | 10~30VDC (0~10V type only supply 24VDC) | |
| Average power consumption | 0.18W | |
| Accuracy | Temperature | ±0.5℃ |
Humidity | ±3％RH | |
CO | ±10%FS | |
| CO Resolution | RS485: 0.1ppm | |
Analog output: 0.5ppm | ||
| CO range | RS485: 0~2000ppm（default） | |
Analog output: 0~1000ppm (default) | ||
| Temperature&humidity range | -40~+80℃ 0~100％ | |
| Working temperature | -20℃~+50℃ | |
| Working humidity | 15%RH~90%RH | |
| Data update time | 2s | |
| Stability | ＜10% | |
| Response time | 90% step change is generally less than 50S | |
| Output signal | RS485、4~20mA、0~5V、0~10V | |
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