SONBEST XM2190B-PM25 RS485 bus MODBUS-RTU Protocol Instruments OR Systems For Monitoring User Manual
The SONBEST XM2190B-PM25 is a reliable and stable monitoring system that uses the standard RS485 bus MODBUS-RTU protocol. With high-precision sensing technology, it accurately measures PM2.5, PM10, temperature, and humidity. This user manual provides technical parameters and communication protocol details for easy access to data. The XM2190B-PM25 offers customizable output methods such as RS232, RS485, CAN, 4-20mA, DC0~5V10V, ZIGBEE, Lora, WIFI, and GPRS.