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![]() Kipp & Zonen tracker (2AP) Kipp & Zonen 2AP tracker (formerly from Sci-Tec) is a two-axis positioner which uses a computer program to point pyrheliometers and pyranometers at the sun. The tracker also has the capability to make diffuse measurements using a shade ball that just shades the solar radiation coming directly from the sun. The 2AP is far superior to a manually adjusted tracker in that one only needs to know the correct time to align the trackerthe sky need not be clear. The 2AP's embedded microcomputer controls the azimuth and zenith of the positioning gears. A serial interface provides communication with a host computer. The system clock should be reset at least once a month. ![]() Notes ![]() The thermal jacket provided with the tracker has not held up well in Eugene's weather. ![]() ![]() ![]() ![]() ![]() ![]() © 2022, UO Solar Radiation Monitoring Laboratory. ![]() ![]()
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