International Organization for Standardization (ISO)
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ISO 9059:1990
Scope
This International Standard describes the calibration of field pyrheliometers using reference pyrheliom-eters and sets out the calibration procedures and the calibration hierarchy for the transfer of the cali-bration.
This International Standard is mainly intended for use by calibration services and test laboratories to enable a uniform quality of accurate calibration fac-tors to be achieved.
ISO 9059:1990 history
1990ISO 9059:1990 Solar energy; calibration of field pyrheliometers by comparison to a reference pyrheliometer