Features： 1、HIGH ACCURACY: Adopt high accuracy temperature and humidity measurement unit, with small size and long term stability. 2、WIDE VOLTAGE: Using a dedicated 0~5V analog circuit, the use range is wide, and it has a wide voltage input range of 10~30V. 3、GOOD PROTECTION: The transmitter has IP65 protection, resistant to dust, rain and snow, and has good air permeability. 4、EASY TO INSTALL: The temperature and humidity sensor has a compact structure and supports wall or rail installation. 5、WIDE APPLICATION: Can be connected to on site digital display meter, PLC, inverter and other equipment, safe and reliable. Specification： Item Type: Temperature Humidity Transmitter Material: ABS Product Size: Approx. 147 x 88 x 41mm / 5.8 x 3.5 x 1.6in Weight: Approx. 157 g / 5.5 oz Dustproof Protection Grade: IP65 Product Description: The transmitter is an industrial wall mounted high protection grade shell with IP65 protection grade, rain and snow protection and good air permeability. The circuit adopts industrial grade microprocessor chip and imported high accuracy temperature and humidity sensor to ensure reliability, high accuracy and interchangeability of products. Adopt standard industrial interface 0-5V analog signal output, can be connected to on site digital display, PLC, inverter, industrial control host and other equipment, safe and reliable, beautiful appearance, easy to install. Power Supply Wiring: Wide voltage 10-30V DC power input Output Interface Wiring: With 2 independent analog output Specific Wiring: Circuit IdentificationDescription Power SupplyVCCPower Positive GNDPower Negative OutputTHTemperature Signal Positive RHHumidity Signal Positive Parameter: DC Power Supply (Default)DC 10~30V Maximum Power ConsumptionCurrent Output1.2W Voltage Output1.2W A Quasi AccuracyHumidity±2%RH (60%RH, 25℃) Temperature±0.4℃ (25℃) B Quasi AccuracyHumidity±3%RH(60%RH,25℃) Temperature±0.5℃ (25℃) Temperature Range-40℃~+120℃, default -40℃~+80℃ Humidity Range0%RH-100%RH Circuit Working Temperature-20℃~+60℃ Circuit Working Humidity0%RH~95%RH (non condensing) Probe Working 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 SignalVoltage Output0~5V Load CapacityVoltage OutputOutput Resistance ≤250Ω Current Output≤600Ω Hole SizeApprox. 70mm / 2.8in Parameter SettingSoftware Settings Common Problems and Solutions: No Output or Output Errors, Possible Causes: 1. The error corresponding to the range leads to the PLC calculation error. For the range, please refer to the technical indicators in the first part. 2. The wiring method is incorrect or the wiring sequence is wrong. 3. The power supply voltage is wrong. 4. The distance between the transmitter and the collector is too long, causing signal disorder. 5. The PLC acquisition port is damaged. 6. The equipment is damaged. Package List： 2 x Screws 2 x Expansion Tubes 1 x Transmitter 1 x User Manual