The STR-21G-S1 is designed for high-precision solar radiation measurement and provides industry-leading accuracy, reliability and value for solar energy research, monitoring, and meteorological applications.
Built on the STR-21G platform, a single-arm, 2-axis sun tracker with an easy, fully automated setup procedure and low power consumption, the STR-21G-S1 (MTI.AWS.EK.21G) delivers smooth, consistent, and precise tracking.
Together with the ISO 9060:2018 class-leading accuracy and performance of EKO's signature Class A MS-80S Pyranometer, and Class A MS-57 Pyrheliometer, the STR-21G-S1 with shading disk assembly is an elite solution; proven worldwide in a range of environments and ready to deliver outstanding results.