Feature: 1. [Durable Material] Made of high-quality ABS material, durable, wear-resistant, compact in size, using a dedicated analog circuit, high-accuracy temperature and humidity measurement unit. 2. [Safe And Reliable] 10~30V wide voltage range input power supply, safe and reliable, elegant appearance, easy to install, can be wall-mounted or rail-mounted. 3. [IP65 Dust Resistant] Industrial wall-mounted high protection grade housing, IP65 dust-resistant protection rating, resistant to rain and snow with good air permeability. 4. [High Accuracy] The circuit adopts industrial-grade microprocessor chips and high-accuracy temperature and humidity sensors to ensure reliability, high accuracy, and interchangeability. 5. [4~20mA Analog Signal Output] Features standard industrial interface 4~20mA analog signal output, compatible with on-site digital displays, PLCs, inverters, industrial control hosts, and other equipment. Specification: Item Type: Temperature Humidity Transmitter Material: ABS Product Size: Approx. 147 x 88 x 41 mm / 5.8 x 3.5 x 1.6 in Anti-Dust Protection Grade: IP65 Output Interface Wiring: Device equipped with 2 independent analog outputs as standard Weight: Approx. 157g / 5.5oz Wiring: Circuit Identification | Description VCC | Positive Power Supply GND | Negative Power Supply TH | Positive Temperature Signal RH | Positive Humidity Signal (Note: The device does not provide a communication line by default) Parameters: DC Power Supply (Default): DC 10~30V Maximum Power Consumption: - Current Output: 1.2W - Voltage Output: 1.2W Accuracy: - Humidity: 2%RH (60%RH, 25°C) - Temperature: ±0.4°C (25°C) B Accuracy: - Humidity: 3%RH (60%RH, 25°C) - Temperature: ±0.5°C (25°C) Temperature Range: -40°C to +120°C, default -40°C to +80°C Humidity Range: 0%RH to 100%RH Transmitter Circuit Working Temperature and Humidity: -20°C to +60°C, 0%RH to 95%RH (non-condensing) Probe Operating Temperature: -40°C to +120°C, default -40°C to +80°C Probe Working Humidity: 0%RH to 100%RH Long Term Stability: - Humidity: 1%RH/year - Temperature: 0.1°C/year Response Time: - Humidity: 8 seconds (1m/s wind speed) - Temperature: 25 seconds (1m/s wind speed) Output Signal: - Current Output: 4-20mA - Load Capacity: - Voltage Output: Output resistance ≤250Ω - Current Output: ≤600Ω Hole Size: 70mm / 2.8in Parameter Settings: Set by software Product Model: RS-WS-Temperature and Humidity Transmitter, Sensor 120-4~20mA Current Output Package List: 2 x Screw 2 x Expansion Tube 1 x Transmitter 1 x Manual