Relative humidity and temperature sensor DB317

wall-mountinfraredRS-485

CO2, Humidity and Temperature Transmitter for Smart Building and Ventilation Applications with RS485 Designed for measuring indoor CO2, humidity and temperature, the DB317 sensor is a cost-effective, wall-mountable solution with a LCD display. Smart ventilation systems rely on accurate, real-time data to optimize airflow, reduce energy consumption and ensure healthy indoor environments. Whether you are managing air quality in office buildings, schools, healthcare facilities or commercial spaces, the DB317 provides reliable measurement performance with seamless Modbus RTU RS485 integration. Specification Measurement range Temperature: -40~60℃ Humidity: 0~100%RH 0~2000ppm Accuracy Temperature: ±0.3℃@25℃ Humidity: ±3%RH@25℃ CO2: ±(40 ppm +3 % of reading) Stability Temperature: ＜0.1℃ Humidity: ＜0.5%RH/year CO2: ＜10ppm Response time Temperature:＜15s(63%) Humidity: ＜12s(63%) CO2＜3min Digital output: RS485 , Modbus-RTU Supply voltage: 12-24v Working temperature: 0-70℃ Storage Conditions: -40~80℃(Non-condensation)