Feature: 1. [Durable Material] Made of high quality ABS material, durable, wear resistant, small 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, beautiful 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 grade, rain and snow protection and 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] Adopt standard industrial interface 4~20mA analog signal output, can be connected to on site digital display, PLC, inverter, industrial control host 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: The device is equipped with 2 independent analog outputs as standard Weight: Approx. 157g / 5.5ozSpecific Wiring: Circuit Identification Instruction Power Supply VCC Positive Power Supply GND Negative Power Supply Output TH Positive Temperature Signal RH Positive Humidity Signal (Note: The device does not provide a communication line by default) Parameter: DC Power Supply (Default) DC 10~30V Maximum Power Consumption Current Output 1.2W Voltage Output 1.2W A Accuracy Humidity ±2%RH (60%RH，25℃) Temperature ±0.4℃（25℃） B Accuracy Humidity ±3%RH (60%RH,25℃) Temperature ±0.5℃ (25℃) Temperature Range -40℃~+120℃, default -40℃~+80℃ Humidity Range 0%RH-100%RH Transmitter Circuit Working Temperature And Humidity -20℃~+60℃, 0%RH~95%RH A9:C28(non B25condensing) Probe Operating Temperature -40℃~+120℃, default -40℃~+80℃ Probe Working Humidity 0%RH-100%RH Long Term Stability Humidity ≤1%RH/y Temperature ≤0.1℃/y Response Time Humidity ≤8s(1m/s wind speed) Temperature ≤25s(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- Company Codes WS- Temperature And Humidity Transmitter, Sensor 120- 4~20mA Current Output . Package List: 2 x Screw2 x Expansion Tube1 x Transmitter1 x Manual