The RR‑1070-A Outdoor Reference Cell is a high-precision, mono-crystalline silicon sensor designed for reliable irradiance monitoring in PV systems. Calibrated to the AM1.5G spectrum, it provides a stable analog voltage output proportional to solar irradiance—ideal for calculating the Performance Ratio (PR) and validating system performance in real-world conditions.

Built for durability and easy integration, the RR‑1070-A features a compact, weather-resistant design with a robust M12 connector. Its analog output ensures seamless compatibility with most data loggers and monitoring systems, making it a dependable solution for long-term outdoor deployment alongside PV modules.