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Tools and Instruments

Displaying 1 - 9 of 9

Aperture area measurement facility

NIST has established an absolute aperture area measurement facility for circular and near-circular apertures use in radiometric instruments. The facility

NIST Gonio-spectroradiometer

The NIST gonio-spectroradiometer is used to measure total spectral radiant flux (TSRF) of incandescent lamps. The instrument consists of a 3-axis scanning

Spectral comparator facilities

Visible to near-infrared spectral comparator facility (Vis/NIR SCF)The Vis/NIR SCF is a monochromator-based system that typically measures the spectral power

Spectrally tunable lighting facility

Solid-state lighting (SSL) is increasingly being introduced into the market and it is expected that many of the light sources currently used for general