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The compact 2-arm STR-22G sun tracker (MTI.AWS.EK.ST.22G) is perfectly suited to support all kinds of Global, Diffuse and Direct Radiation measurement sensors. Besides the standard EKO sensor mounts, various alternative mounts for non-EKO sensors are available. Featuring a fully automated set-up procedure via an onboard GPS receiver, providing increased reliability and enhanced functionality, the compact Sun-Tracker guarantees accurate sun tracking and pointing of the attached solar sensors from sunrise to sunset. 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 levelled properly. The sun-tracker comes standard with a small table tripod (larger tripod available). The 24 VDC low power consumption tracker can be powered by a solar-powered battery system or DC power supply. A wide range AC power adapters can be supplied to connect to the grid. For over 20 years, clients who have deployed STR sun-trackers have enjoyed easy set-up, smooth operation, and reliable tracking.

STR-22G Sun Tracker

SKU: MTI.AWS.EK.ST.22G
  • • Arms: 2

    • Pointing accuracy Solar elevation: 0 to 87°: < 0.01°

    • Angle resolution: 0.009°

    • Rotation angle Zenith: -15 to 95°

    • Rotation angle Azimuth: 0 to 360°

    • Torque: 24 N⋅m

    • Payload side arms: 15kg

    • Sun sensor FOV: 30°

    • Ingress protection IP: 65

    • Operating temperature range: -40 to 50°C

    • Communication: RS-422 / 232C

    • Power consumption: < 20W

    • Motor: Stepper motor

    • Driving technology: Harmonic Drive®

    • Tracking modes: Solar position / Free positioning

    • Tripod: Table tripod

    • Pyrheliometer mount: Adjustable / One sensor position

    • Cable length: 10m

    • Weight: 15.5kg (with tripod)

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