THT-02 temperature humidity transmitter is designed based on RS-485 communication interface, compatible with stard Modbus-RTU protocol, can be connected to Modbus network to measure monitor temperature humidity THT-02 sensitive element adopts SHT3X, a newly designed CMOSens chip, an improved capacitive humidity sensor element a stard bgap temperature sensor element, whose performance has been greatly improved even exceeds the reliability level of the previous generation of sensors (SHT1x SHT7x) It makes its performance more stable in high humidity environment THT-02 adopts the address setting method of dip switch, avoiding the need to set the address in advance with the host computer, which is simple, convenient easy to maintain replace THT-02 has excellent long-term stability, low hysteresis, low power consumption, strong resistance to chemical pollution excellent repeatability It is an ideal solution for accurately measuring temperature relative humidity in HVAC, communication room, warehouse building automatic control applications Humidity Probe Monitor Measuring Range -40\u2103 to 125\u2103 High Precision DC 5-24V Suitable for HVAC, Farm, Industry Colour:grey Material:ABS Package Contents: 1Temperature humidity sensor Only the above package content, other products are not included Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is and\/- 1-3cm