STR-22G Sun Trackers
The compact 2 arms sun tracker is perfectly suited to support all kinds of Global, Diffuse and Direct Radiation measurement sensors.
The compact 2 arms sun tracker 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. EKO Instruments improved the STR-22G Sun Tracker with 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.
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 adapter can be supplied to connect to the grid.
For over 20 years our clients who have deployed the STR sun-tracker, experience ease of set-up, operating and reliable tracking.
Specifications | |
Arms | 2 |
Pointing accuracy Solar elevation: 0 to 87° | < 0.01 ° |
Angle resolution | 0.009 ° |
Rotation angle Zenith | -15 - 95 ° |
Rotation angle Azimuth | 0 - 360 ° |
Torque | 24 Nm |
Payload side arms | 15 kg (Total payload 20kg) |
Sun sensor FOV | 30 ° |
Ingress protection IP | 65 |
Operating temperature range | -40 - 60 °C |
Communication | RS-422 / 232C |
Power consumption | < 10 W |
Power supply | 21 to 31 VDC / 15W |
Power supply (Power Adapter) | 100 to 240 VAC / 20W |
Dimensions mm | 430 (W) x 380 (L) x 440 (H) |
Weight | 15.5 kg (With tripod) |
Motor | Stepper motor |
Driving technology | Harmonic drive® |
Tracking mode | Solar postion / Free positioning |
Tripod | Table tripod |
Pyrheliometer mount | Adjustable / One position |
Cable length | 10 m |
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STR-21G Sun Trackers
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STR-32G Sun Trackers
The STR-32G completes the extensive sun tracker range and is capable to take 60kg maximum load without compromising on precision.