Feature 1 [Excellent Performance] The sensor has excellent long term stability, low hysteresis, strong resistance to chemical contamination and excellent repeatability. 2 [Aluminum Alloy Housing] The aluminum alloy metal housing of the sensor is treated with oxidation electrolysis, which is dustproof, anti corrosion, anti pollution, anti interference, etc. 3 [High Reliability] The sensor uses a digital integrated sensor with a reliable digital processing circuit, thus converting the temperature and humidity in the environment into the corresponding standard signals. 4 [Sensitive] The sensors are small in size, light in weight, have a wide measurement range, high accuracy, and quick response time. 5 [Main Application] This sensor is the ideal solution for accurate relative humidity and temperature measurement in heating, ventilation and air conditioning applications.Item Type: Temperature Humidity Sensor TransmitterMaterial: Aluminum alloy, PUTemperature Range: -40-120Humidity Range: 0-99.9%RHTemperature Accuracy: 0.5 (25, 60%RH)Humidity Accuracy: 3%RH(25, 60%RH)Resolution: 0.1, 0.1%RHOutput Current: 4-20mASupply Voltage: 15-30VDCLead Wire Length: Approx. 95cm / 37.4inSampling Period: 3sPower Consumption: <10mAPin Assignment: Red V+ Power positiveYellow H Humidity outputBlack V- Negative power supplyWhite T Temperature output Package List1 x Temperature Humidity Sensor Transmitter3 x Screw2 x Expansion Screw1 x Sponge Sticker1 x Pin