WTR10-E Temperature and Humidity Transmitter features a high-precision digital sensor with reliable performance, high accuracy, low annual drift, and fast response time. It utilizes RS485 bus technology and the industrial MODBUS-RTU communication protocol for real-time temperature and humidity monitoring. Key Features: 1. High-precision digital temperature and humidity sensor with high sensitivity, excellent stability, and full-range temperature compensation 2. Microcontroller unit (MCU) based on STC’s low-power, high-reliability chips for stable processing performance 3. Standard RS485 output supporting long-distance communication 4. Compliant with MODBUS-RTU protocol widely used in industrial applications 5. Real-time temperature and humidity measurement; suitable for indoor and outdoor environments, greenhouses, warehouses, industrial facilities, data centers, laboratories, and other controlled environments Specifications: Model: WTR10-E Housing Material: Plastic Power Supply: DC 9V–40V (polarity-insensitive) Power Consumption: < 0.1 W Temperature Measurement Range: -40°C to +85°C Humidity Measurement Range: 0–100% RH Accuracy: Temperature ±0.3°C, Humidity ±3.0% RH Resolution: Temperature 0.01°C, Humidity 0.024% RH Response Time: 2 seconds Communication Interface: RS485 Baud Rate Options: 2400, 4800, 9600, 19200 bps (set via DIP switch; default: 9600) Data Format: 8 data bits, 1 stop bit, no parity Communication Protocol: MODBUS-RTU Device Address Range: 1–253 (set via DIP switch; default: 1) Mounting: DIN rail installation Applications: Industrial monitoring, telecommunications base stations, warehouses, laboratories, manufacturing facilities, greenhouses, data centers, museums, archives, libraries, hospitals, hotels, residential buildings, petrochemical sites, power plants, substations, agricultural research facilities, and environmental monitoring Dimensions (Unit): 65 × 45 × 29 mm (2.56 × 1.77 × 1.14 in) Weight (Unit): 40 g (1.41 oz) Package Dimensions: 13 × 13 × 3 cm (5.12 × 5.12 × 1.18 in) Package Weight: 45 g (1.59 oz) Package Includes: 1 × Temperature and Humidity Transmitter 1 × User Manual