Item Type: Temperature Sensor_x000D_ Product Size: Approx. 147 x 88 x 41mm / 5.79 x 3.46 x 1.61in_x000D_ Power Supply Wiring: Wide voltage 10~30V DC power input._x000D_ Product Overview: The transmitter is an industrial wall mounted enclosure with a high degree of protection. The circuit adopts industrial grade microprocessor chip and high accuracy temperature and humidity sensor to ensure excellent reliability, high accuracy and interchangeability of the product. Adopts standard industrial interface 4~20mA analogue signal output, can be connected to on site digital display, PLC, inverter, industrial control host and other equipment, safe and reliable, beautiful appearance, easy installation. _x000D_ Parameter: _x000D_ ModelRS-WS-120-2D-LCD_x000D_ DC Power Supply (Default)DC 10~30V_x000D_ Maximum Power ConsumptionCurrent Output1.2W_x000D_ Voltage Output1.2W_x000D_ A AccuracyHumidity2%RH60%RH25_x000D_ Temperature0.425_x000D_ B AccuracyHumidity3%RH(60%RH,25)_x000D_ Temperature0.525_x000D_ Temperature Range-40~+120, Default -40~+80_x000D_ Humidity Range0%RH-99.99%RH_x000D_ Transmitter Circuit Working Temperature and Humidity-20~+60, 0%RH~95%RH (NonCondensing)_x000D_ Probe Operating Temperature-40~+120, Default -40~+80_x000D_ Probe Working Humidity0%RH-99.99%RH_x000D_ Long Term StabilityHumidity1%RH/y_x000D_ Temperature0.1/y_x000D_ Response TimeHumidity8s(1m/s Wind Speed)_x000D_ Temperature25s(1m/s Wind Speed)_x000D_ Output SignalCurrent Output4~20mA_x000D_ Load CapacityVoltage OutputOutput Resistance 250_x000D_ Current Output600_x000D_ Hole Size (Approx.)70mm / 2.76in_x000D_ Parameter SettingsModify directly through software settings or buttons._x000D_ _x000D_ Specific Wiring: _x000D_ Circuit IdentificationDescription_x000D_ Power SupplyVCCPower Positive_x000D_ GNDPower Negative or Signal Negative_x000D_ OutputTHPositive Temperature Signal_x000D_ RHPositive Humidity Signal_x000D_ Note: The device does not provide communication line by default, the line colour is for reference only. _x000D_ _x000D_ _x000D_ Common Problems and Solutions: _x000D_ When there is no output or output error, the possible reasons are:_x000D_ 1. The corresponding error of the range leads to an error in the PLC calculation. For the range, please refer to the technical specifications in the first part. _x000D_ 2. The wiring method is incorrect or the wiring sequence is wrong. _x000D_ 3. The power supply voltage is incorrect. _x000D_ 4. The distance between the transmitter and the collector is too long, causing signal disorder. _x000D_ 5. The PLC acquisition port is damaged. _x000D_ 6. The equipment is damaged. _x000D_ Weight: 178 g / 6.28 oz(approx.) 1Better Sensor: Able to detect temperature and humidity with high accuracy, the transmitter allows for flexible application. 2Clear Display: LCD screen enables clear digital display as well as more convenient operation to save your time and labour. 3Reliable Work: Combining dedicated analogue circuit and 10?30V wide voltage input, the temp meter has excellent durability. 4Simple to Use: You can easily set the parameters through the buttons, and the good dust protection ensures high work safety. 5Easy to Install: The light weight together with compact size largely simplifies both wall mount and slide rail installation. 2 x Screw 2 x Wall Plug 1 x Temperature Sensor 1 x User Manual