Product features industrial-grade chip and high-precision SHT20 temperature and humidity sensors, offering reliable performance, high accuracy, and interchangeability. Equipped with RS485 hardware interface with protection design, protocol layer compatible with standard industrial Modbus RTU protocol. This product integrates MODBUS and UART communication protocols, supporting automatic data reporting function via RS485 serial interface, enabling continuous output of temperature and humidity data. Installation steps: 1. Connect the signal receiver to the RS485 terminal. 2. Connect the power supply to the power terminal. 3. Process the acquired data according to actual requirements. Notes: - Users must provide their own Modbus debugging tool and RS485 debugger. - Users need to develop code based on the communication protocol and command set when using a controller to receive data. Features: - Supports MODBUS RTU protocol - RS485 supports up to 1000m communication distance - Standard DIN35 rail mounting - High measurement accuracy - Industrial-grade SHT20 temperature and humidity sensor with RS485 communication - Compatible with standard MODBUS RTU and UART protocols - Adjustable baud rate - Supports automatic data upload with configurable upload interval Parameters: - Product Name: Modbus RTU RS485 SHT20 Temperature Humidity Transmitter - Working Voltage: DC 5V–30V - Output Signal: RS485 - Communication Protocol: Modbus RTU - Communication Address: 1–247 (default: 1) - Temperature Range: -40°C to 60°C - Temperature Accuracy: ±0.5°C - Temperature Resolution: 0.1°C - Humidity Range: 0%RH to 80%RH - Humidity Accuracy: ±3%RH - Humidity Resolution: 0.1%RH - Power Consumption: <0.2W - Operating Temperature: -40°C to 85°C - Operating Humidity: 0% to 95%RH (non-condensing) - Dimensions: 65 x 46 x 28.5mm - Condition: New - Type: ICs - Color: White - Material: Plastic - Application: Temperature and humidity monitoring Applications: - Environmental monitoring - Equipment cabinet monitoring - Climate testing - Home security systems Package Includes: 1 x Temperature and Humidity Sensor Note: Lighting and display differences may cause slight color variation between the product image and actual item. Measurement error allowed within ±1–3cm.