cie

17-25-001

primary photometric standard

device designed to establish the photometric base unit and to calibrate photometric transfer standards

Note 1 to entry: This entry was numbered 845-05-01 in IEC 60050-845:1987.

Note 2 to entry: This entry was numbered 17-983 in CIE S 017:2011.

Publication date: 2020-12
Copyright © CIE 2020. All Rights Reserverd.