SEM230 is an air environment multi-element transmitter independently developed by our company, which is used to detect temperature, humidity, PM2.5, PM10, atmospheric pressure, light, noise, TVOC, CO2, formaldehyde, O3, CO in the air environment , CH4, O2, SO2, NO2, H2, H2S, NH3 and other elements, basically covering various indicators reflecting air quality.
The transmitter adopts imported sensor and control chip, which has the characteristics of high precision, high resolution and good stability. The equipment adopts wide voltage 10-30V DC power supply, 485 signal output, standard Modbus-RTU communication protocol, ModBus address can be set, baud rate can be changed, the communication distance is up to 2000 meters. Widely used in building HVAC, building energy saving, smart home, schools, hospitals, airport stations and other places.
