Rika Rk200-03 Solar PV Station System 4-20mA RS485 Output Radiation Sensor Pyranometer. WMO Standard Compliance: Conforms to WMO standards for high-precision solar radiation measurement. Dual Output Options: Supports 4-20mA, 0-5V, RS485, and 0-20mV signal outputs. IP65 Waterproof Rating: Durable metal construction with IP65 rating for harsh environments. High Sensitivity: Thermopile sensing elements ensure high sensitivity and stability. Wide Application Scope: Ideal for solar PV, agriculture, weather stations, and eco-monitoring. Temperature Compensation: Built-in circuit reduces ambient temperature effects on accuracy. CE Certified Quality: Product holds CE certification ensuring safety and quality standards. Easy Installation: Features horizontal bubble and visual desiccant window for setup.