Features 1. Superior Performance: High accuracy temperature and humidity measurement unit, long-term stability, compact size. 2. Standard Protocol: Standard communication protocol; communication address and baud rate can be set using a dedicated 485 circuit. 3. Easy to Install: Wall mount or rail mount. High dustproof rating (IP65). Wide voltage power supply range: 10–30V DC. 4. With Digital Display: LCD display, clear and easy to read. Button for parameter setting, user-friendly operation. 5. ABS Material: Made of ABS material, sturdy and durable, long service life. Specification Item Type: Temperature Humidity Transmitter Material: ABS Weight: Approx. 178g Size: Approx. 147 x 88 x 41mm Screen Size: Approx. 51 x 36mm Power Supply: DC 10–30V Maximum Power Consumption: 0.4W Accuracy: - Humidity: ±2% RH (60% RH, 25°C) - Temperature: ±0.4°C (High Accuracy) - Default Accuracy: Humidity ±3% RH, Temperature ±0.5°C Operating Range: - Transmitter: -20°C to +60°C, 0% RH to 95% RH (non-condensing) - Probe: -40°C to +80°C (default), up to +120°C (maximum) - Transmitter Circuit Operating Humidity: 0% RH to 100% RH - Probe Working Humidity: 0% RH to 95% RH (non-condensing) Output Signal: 485 signal, Modbus RTU protocol Temperature Display Resolution: 0.1°C Humidity Display Resolution: 0.1% RH Refresh Time: 1 second Response Time: - Humidity: 8 seconds (1m/s wind speed) - Temperature: 25 seconds (1m/s wind speed) Parameter Settings: Can be modified directly via software or buttons Product Model: RS-WS-N01-485 Type: 2D-LCD Industrial Wall-Mount Temperature and Humidity Sensor Wiring Specifications: - Power Supply VCC: V+ 10–30V DC - Power Supply GND: V- - Communication: 485A, 485B (must not reverse polarity) Communication Parameters: - Data Bits: 8 - Parity: None - Stop Bit: 1 - Error Check: CRC (Cyclic Redundancy Check) - Baud Rate: 2400, 4800, or 9600 bps (default: 4800 bps) Note: When connecting 485 signal cables, ensure correct polarity and avoid address conflicts on the bus. Package List: 1 x Temperature Humidity Transmitter 1 x Instruction Manual 2 x Screws 2 x Expansion Tubes