UO Solar Radiation Monitoring Laboratory

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Solar Irradiance Instruments

Many types of instruments are employed to measure incident solar radiation. The specifications for the instruments used in our solar monitoring network are documented below. In addition, each one has its advantages and limitations, and we briefly discuss the accuracy and systematic errors that characterize them. Discussions on trackers and on diffuse measurement techniques and methods of calculating diffuse radiation from global and beam irradiance data are also included.

Specific instrument-related topics

Eppley Precision Spectral Pyranometer (PSP)

Eppley Normal Incidence Pyrheliometer (NIP)

Schenk Star Pyranometer

LI-COR Pyranometer

Ascension Technology Rotation Shadowband Pyranometer (RSP)

Yankee Environmental Systems Multifilter Rotating Shadowband Radiometer (MFR-7)

Eppley Total Ultraviolet Radiometer (TUVR)

Eppley Solar Tracker

Kipp & Zonen 2AP tracker

Measuring diffuse radiation using a shade disk

Measuring diffuse radiation using a shadowband

Calculating diffuse radiation values

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© 2022, UO Solar Radiation Monitoring Laboratory.
Last revised: March 31, 2022.

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