YSI Incorporated - a Xylem brand products

This precision Solar Radiation sensor or pyranometer includes a bubble level, leveling screws and mounting hardware for easy installation. Global Water"s Solar Radiation sensors use a high stability silicon photovoltaic (PV) detector (blue enhanced) to obtain accurate readings. The solar radiation sensors are attached to 25 ft of marine grade cable, with lengths up to 500 ft available upon request. The pyranometer"s output is 4-20 mA with a two wire configuration.