Metrel-A-1399-Pyranometer-Metrel-A1399-P-The-Metrel-A1399-is-a-Pyranometer-with-an-Irradiance-sensor-for-PV-measurements-It-will-measure-the-power-of-electromagnetic-radiation-It-is-sensitive-to-near-infrared-visible-&-UV-radiation-where-90-of-solar-energy-is-concentrated-P-Metrel-A1399-Pyranometer