Photosynthetic Sensor Transmitter IP67 Protecting High Accuracy Photosynthetically Effective Radiation Sensor for Agricultural Greenhouse DC9-30V 0-5V Item Type: Photosynthetic Sensor Material: Aluminum Alloy Product Size: Approx. 65x31mm / 2.6x1.2in, Mounting Hole Distance: 57mm / 2.2in Power Supply: DC 9-30V Spectrum Range: 400-700nm Range: 0-1500W/m2 (or 0-5000umol*m-2*s-1) Resolution: 1W/m2(or umol*m-2*s-1) Response Time: ≤5 ms (95%) Non Linearity: ±4% Directional Response (Corrected To Within 80° Of The Zenith Angle): ±10% Temperature Response (-20°C to 60°C): ±5% Annual Stability: ±3% Spectrum Response Bandwidth: (400±10)nm-(700±10)nm Spectrum Selectivity Error: ±5 Response Outside The Specified Bandwidth: ≤ 10% Protective Grade: IP67 Operating Temperature: -40-80°C Relative Humidity: 0-100%RH Power Consumption: ≤100mW 5V Troubleshooting: The meter display value is incorrect when outputting. This may be due to wiring problems or communicating serial port failure, resulting in failure to obtain the correct data. Please check whether the wiring is correct and firm, whether the serial port is occupied, and whether the serial port setting is correct; Wiring: Red Wire: Power Positive Green Wire: Power Negative White Wire: Signal