Standard Lamp

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2-3-260

(Photometric) Standard Lamp

A lamp which has been calibrated to give a known value of luminous flux, colour temperature, or luminous intensity in a specified direction, under specified conditions of operation. Such lamps are used as standards in photometric measurements.


Note: Standard lamps include both Secondary Standards and Working Standards as well as the Primary Standard. For definitions of these, see Reference: C.I.E.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM