Features Temp Transmitter: This transmitter module can test the temperature, which has good stability, low hysteresis and excellent repeatability. Signal Stability: The RS485 interface enables easy setting on baud rate and communication address, also has 1000m communication distance. High in Accuracy: Designed to have -40℃ ~ +60℃ and 0% R H-80% R H wide measurement range, the sensor module comes with high work accuracy. Wide Application: Allows for broad utilization in research, city, factory, agriculture, cultivation, storage, transportation and so on. Easy Installation: 3.6mm installation hole s support wall mount as well as 35mm rail installation, and can start testing directly. Specification: Item Type: Temperature Humidity Transmitter Output Signal: RS485 Signal Communication Address: 1~247 can be set, default 1. Temperature Accuracy: ± 0.5 ℃, 25 ℃. Temperature Range: -40℃ ~ +60℃ Resolution: 0.1 ℃ 0.1% R H DC Power Supply: DC 5-30V Communication Protocol: RTU protocol and self defined common protocol. Baud Rate: Settable, default 96008 bits of data, 1 bit stop. Humidity Accuracy: ± 3% R H Humidity Range: 0% R H-80% R H Equipment Power Consumption: ≤ 0.2W Package List: 1 x Temperature Humidity Transmitter Package List 1 x Temperature Humidity Transmitter