Features 1. Better Sensor: Accurately detects temperature and humidity, enabling flexible application. 2. Clear Display: LCD screen provides clear digital readout and user-friendly operation for improved efficiency. 3. Reliable Performance: Designed with dedicated analog circuitry and wide 10–30V DC voltage input for durable operation. 4. Easy to Use: Simple parameter setup via buttons; effective dust protection enhances operational safety. 5. Easy Installation: Lightweight and compact design simplifies wall mounting and rail installation. Specification Item Type: Temperature Sensor Product Size: Approx. 147 x 88 x 41mm / 5.79 x 3.46 x 1.61in Power Supply: 10–30V DC (wide voltage input) Product Overview: This industrial wall-mounted transmitter features a protective enclosure and integrates an industrial-grade microprocessor chip with a high-accuracy temperature and humidity sensor, ensuring reliable performance, precision, and interchangeability. It supports standard 4–20mA analog signal output, compatible with on-site digital displays, PLCs, inverters, and industrial control systems. Offers safe, stable operation, a sleek design, and straightforward installation. Parameters: Model: RS-WS-120-2D-LCD Power Supply (Default): DC 10–30V Maximum Power Consumption: - Current Output: 1.2W - Voltage Output: 1.2W Accuracy: - Humidity: ±2% RH (at 60% RH, 25°C) - Temperature: ±0.4°C (at 25°C) - Optional Accuracy: Humidity ±3% RH, Temperature ±0.5°C Temperature Range: -40°C to +120°C (Default: -40°C to +80°C) Humidity Range: 0% RH to 100% RH Transmitter Operating Environment: -20°C to +60°C, 0% RH to 95% RH (non-condensing) Probe Operating Environment: -40°C to +120°C (Default: -40°C to +80°C), 0% RH to 100% RH Long-Term Stability: - Humidity: ≤1% RH/year - Temperature: ≤0.1°C/year Response Time: - Humidity: 8 seconds (1m/s air velocity) - Temperature: 25 seconds (1m/s air velocity) Output Signal: 4–20mA current output Load Capacity: - Voltage Output: Output Resistance ≤ 250Ω - Current Output: ≤ 600Ω Mounting Hole Size: Approx. 70mm / 2.76in Parameter Settings: Configurable via buttons or software Wiring Configuration: - VCC: Power Positive - GND: Power Negative / Signal Common - TH: Temperature Signal Output - RH: Humidity Signal Output Note: Communication line not included by default. Wire colors are for reference only. Common Issues and Troubleshooting: No output or incorrect output may be caused by: 1. Incorrect range setting affecting PLC calculation. Refer to specifications. 2. Incorrect wiring method or sequence. 3. Improper power supply voltage. 4. Excessive distance between transmitter and receiver causing signal interference. 5. Faulty PLC input port. 6. Equipment damage. Weight: 178g / 6.28oz (approx.) Package Contents: 1 x Temperature Sensor 1 x User Manual 2 x Screws 2 x Wall Plugs