WTR10-E temperature and humidity transmitter adopts high precision digital from , with reliable performance, high precision, small annual drift and fast response speed. RS485 bus technology, based on industrial MODBUS-RTU protocol, realizes low-temperature temperature and humidity status online monitoring. Practical integrated sensorFeatures:1. High-precision digital temperature and humidity sensor , high sensitivity , good stability , full temperature automatic compensation2. MCU uses STC"s professional leading high-quality low-power chips to ensure processing power and stability3. Standard RS485 output , can achieve long-distance communication4. Various standards for the MODBUS-RTU communication protocol are used in the industrial field5. Real time detection of temperature and humidity conditions. Easy to control temperature and humidity changes, achieve indoor and outdoor temperature and humidity measurement, and monitor temperature and humidity in vegetable gardens, warehouses, industrial sites, computer rooms, laboratories, etc.Specifications:Model: WTR10-EMaterial: PlasticPower Supply Range: DC9V~40V (No positive and negative polarity distinguish, can be reversed polarity)Power: less than 0.1WTemperature Measuring Range: -40 celsius ~ 85 celsiusHumidity Measuring Range: 0 ~ 100percent RHMeasuring Accuracy and Resolution: Temperature: +/-0.3 celsius , 0.01 celsius Humidity: +/-3.0percent RH, 0.024RHResponse Time: 2sCommunication Output Interface: RS485Serial Baud Rate: 2400, 4800, 9600,19200 customize by yourself (Two digits dial switch), the default 9600Byte Format: 8 Data Bits, 1 Stop Bit, No need to checkCommunication Protocol: Mobus-RTUCommunication address can be set: 1~253 (6 digits dial switch), the default 1Installation Method: Rail InstallationWide Applications: Temperature and humidity monitoring for industrial field, telecommunication base stations, warehouses, laboratories, factories, production workshops, agriculture greenhouse, computer room, museum, archives, library tube, hospitals, hotels, living quarters, petrochemical bases, power plants, nuclear power plants, substations, agricultural research base, health and epidemic prevention station environmental protection departments.Item Size: 65 * 45 * 29 mm / 2.56 * 1.77 * 1.14 inchItem Weight: 40g / 1.41ozPackage Size: 13 * 13 * 3 cm / 5.12 * 5.12 * 1.18 inchPackage Weight: 45g / 1.59ozPackage List:1 * Temperature Humidity Transmitter1 * User Manual