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17-27-031

high-pressure sodium lamp

high-pressure sodium vapour lamp

high-intensity discharge lamp in which the light is produced mainly by radiation from sodium vapour operating at a partial pressure of the order of 10 kPa

Note 1 to entry: The term "high-pressure sodium lamp" includes electric lamps with clear or diffusing bulb.

Note 2 to entry: This entry was numbered 845-07-23 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-536 in CIE S 017:2011.

Publication date: 2020-12
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