The compact single arm sun tracker is perfectly suited to support all kinds of Global, Diffuse and Direct Radiation measurement sensors. STR-21G is the base of the Solar Monitoring Systems (STR-21G-S) is a turn key measurements solution based on EKO sensors. STR-21G provides a fully automated set up procedure through a GPS receiver providing increased reliability and enhanced functionality.
From sunrise to sunset the compact sun-tracker guarantees accurate sun tracking and pointing of the attached solar sensors. The 2-axis tracker automatically adjusts to the sun’s position by the sun sensor closed-loop control system, even if the tracker is not oriented or leveled properly. For over 20 years our clients who deployed the STR sun-tracker experience the ease of set-up