IEVref:845-25-003ID:
Language:enStatus: Standard
Term: working photometric standard
Synonym1: tertiary photometric standard
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Definition: device calibrated by reference to a secondary photometric standard and typically used, on a day-to-day basis, for photometric measurements

Note 1 to entry: Working photometric standards are typically photometers or light sources.

Note 2 to entry: This entry was numbered 845-05-03 in IEC 60050-845:1987.


Publication date:2020-12
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