Features： 1、[Durable Material] Made of 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 Power Supply Wiring: Wide voltage 10~30V DC power input Output Interface Wiring: The device is equipped with 2 independent analog outputs as standard Weight: Approx. 157g / 5.5oz Specific Wiring: Circuit IdentificationInstruction Power SupplyVCCPositive Power Supply GNDNegative Power Supply OutputTHPositive Temperature Signal RHPositive Humidity Signal (Note: The device does not provide a communication line by default) Parameter: DC Power Supply (Default)DC 10~30V Maximum Power ConsumptionCurrent Output1.2W Voltage Output1.2W A AccuracyHumidity±2%RH (60%RH，25℃) Temperature±0.4℃（25℃） B AccuracyHumidity±3%RH (60%RH,25℃) Temperature±0.5℃ (25℃) Temperature Range -40℃~+120℃, default -40℃~+80℃ Humidity Range0%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 Humidity0%RH-100%RH Long Term StabilityHumidity≤1%RH/y Temperature≤0.1℃/y Response TimeHumidity≤8s(1m/s wind speed) Temperature≤25s(1m/s wind speed) Output SignalCurrent Output4-20mA Load CapacityVoltage OutputOutput resistance≤250Ω Current Output≤600Ω Hole Size70mm/2.8in Parameter SettingsSet By Software Product Model: RS-Company Codes 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