cie

17-25-002

secondary photometric standard

device calibrated by reference to a primary photometric standard and used, in turn, to calibrate working photometric standards

Note 1 to entry: This entry was numbered 845-05-02 in IEC 60050-845:1987.

Note 2 to entry: This entry was numbered 17-1148 in CIE S 017:2011.

Publication date: 2020-12
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