WTR10-E temperature and humidity transmitter adopts high-precision digital sensor technology with reliable performance, high accuracy, low annual drift, and fast response speed. Equipped with RS485 bus interface and compliant with industrial MODBUS-RTU protocol, it enables online monitoring of temperature and humidity in various environments. Key Features: 1. High-precision digital temperature and humidity sensor with high sensitivity, excellent stability, and full temperature automatic compensation 2. MCU integrates professional-grade, low-power microcontroller for stable performance and efficient data processing 3. Standard RS485 output supports long-distance signal transmission 4. Compatible with widely used MODBUS-RTU communication protocol in industrial applications 5. Real-time monitoring of temperature and humidity conditions; suitable for indoor and outdoor measurement and environmental control in greenhouses, warehouses, industrial facilities, computer rooms, laboratories, and more Specifications: Model: WTR10-E Material: Plastic Power Supply Range: DC 9V to 40V (polarity reverse protection) Power Consumption: Less than 0.1W Temperature Measurement Range: -40°C to 85°C Humidity Measurement Range: 0% to 100% RH Measurement Accuracy and Resolution: - Temperature: ±0.3°C, Resolution: 0.01°C - Humidity: ±3.0% RH, Resolution: 0.024% RH Response Time: 2 seconds Communication Output Interface: RS485 Baud Rate: 2400, 4800, 9600, 19200 bps (configurable via two-digit dial switch; default: 9600) Data Format: 8 Data Bits, 1 Stop Bit, No Parity Communication Protocol: MODBUS-RTU Device Address: Configurable from 1 to 253 (via 6-digit dial switch; default: 1) Installation Method: DIN rail mount Applications: Suitable for temperature and humidity monitoring in industrial environments, telecommunications stations, warehouses, laboratories, manufacturing plants, production workshops, agricultural greenhouses, data centers, museums, archives, libraries, hospitals, hotels, residential buildings, petrochemical facilities, power plants, nuclear stations, substations, agricultural research facilities, public health stations, and environmental monitoring departments. Product Dimensions: 65 x 45 x 29 mm (2.56 x 1.77 x 1.14 inches) Product Weight: 40g (1.41 oz) Package Dimensions: 13 x 13 x 3 cm (5.12 x 5.12 x 1.18 inches) Package Weight: 45g (1.59 oz) Package Contents: 1 x Temperature and Humidity Transmitter 1 x User Manual