SZ3990 using the standard ZIGBEE Wireless Communication Interface,easy access to PLC,DCS and other instruments or systems for monitoring carbon dioxide,temperature,humidity,atmospheric pressure state quantities.The internal use of high-precision sensing core and related devices to ensure high reliability and excellent long-term stability,can be customized RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and other output methods.
Technical Parameters
Technical parameter | Parameter value |
Brand | SONBEST |
CO2 range | 0~5000ppm |
CO2 accuracy | ±100ppm |
Temperature measuring range | -30℃~80℃ |
Temperature measuring accuracy | ±0.5℃ @25℃ |
Support sensor | SHT20 |
Channels | 3 |
Input bus | IIC |
Humidity measuring range | 0~100%RH |
Humidity accuracy | ±3%RH @25℃ |
Atmospheric pressure range | 30~110kpa |
Atmospheric pressure accuracy | ±0.5% |
Communication Interface | ZIGBEE |
Radio frequency | 2.4G ISM |
Network Type | Star network |
Network capacity | 65535 |
Power | DC9~24V 1A |
Dimensions | Φ28.5mm×127mm |
Wiring instructions
Any incorrect wiring can cause irreversible damage to the product. Please carefully wire the cable as follows in the case of power failure, and then connect the cable to confirm the correctness and then use it again.
ID | Core color | Identification | Note |
1 | Red | V+ | Batter V+ |
2 | Green | V- | Batter V- |
Product Pictures