WTR10-E temperature and humidity transmitter features a high-precision digital sensor with reliable performance, high accuracy, low annual drift, and fast response speed. Equipped with RS485 bus technology and based on the 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 utilizes STC professional-grade, high-quality, low-power chips to ensure processing power and system stability 3. Standard RS485 output supports long-distance communication 4. Compatible with widely used MODBUS-RTU communication protocol in industrial applications 5. Real-time detection of temperature and humidity for effective environmental control; suitable for indoor and outdoor measurement and monitoring in greenhouses, warehouses, industrial facilities, computer rooms, laboratories, and similar settings Specifications: Model: WTR10-E Material: Plastic Power Supply Range: DC 9V–40V (no polarity distinction, reverse polarity protected) Power Consumption: Less than 0.1W Temperature Measurement Range: -40°C to 85°C Humidity Measurement Range: 0–100% 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 Serial Baud Rate: 2400, 4800, 9600, 19200 (user-selectable via two-digit dial switch; default 9600) Byte Format: 8 Data Bits, 1 Stop Bit, No Parity Communication Protocol: MODBUS-RTU Device Address: Configurable from 1 to 253 via six-digit dial switch; default address 1 Installation Method: DIN rail mount Applications: Suitable for temperature and humidity monitoring in industrial environments, telecommunications base stations, storage facilities, laboratories, manufacturing plants, agricultural greenhouses, data centers, museums, archives, libraries, hospitals, hotels, residential buildings, petrochemical sites, power plants, nuclear facilities, substations, agricultural research stations, public health centers, and environmental protection departments. Product Dimensions: 65 × 45 × 29 mm (2.56 × 1.77 × 1.14 inches) Product Weight: 40g (1.41 oz) Package Dimensions: 13 × 13 × 3 cm (5.12 × 5.12 × 1.18 inches) Package Weight: 45g (1.59 oz) Package Contents: 1 × Temperature and Humidity Transmitter 1 × User Manual