The STR-21G-SH1 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-SH1 delivers smooth, consistent, and precise tracking.

Together with the ISO 9060:2018 class-leading accuracy and performance of EKO’s signature Class A MS-80SH Pyranometer, and Class A MS-57SH Pyrheliometer, the STR-21G-SH1 with shading disk assembly is an elite solution; proven worldwide in a range of environments and ready to deliver outstanding results.

Key Features:

• Integrated sun-position sensor and GPS for quick, easy and accurate setup
• Efficient, Cost-Saving, Low Power Consumption
• Easy Integration with any DAQ system
• Harmonic Drive® mechanical gear system, for maximum positioning accuracy
• Deployed in Antarctica, proven in extreme climates worldwide