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Top Terms > Testing > Testing equipment > Measuring instruments > Instruments for measuring specific phenomena > Instruments for measuring electromagnetic phenomena > Photometers

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Photometers (Gumpfp)

Definition
Instruments used for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source. (Source: wordnet.princeton.edu/)
Broader Term
Instruments for measuring electromagnetic phenomena (Gumpf)
Related Terms (Hierarchical)
Frequency analyzers (Gumpff)
Interferometers (Gumpfj)
Magnetometers (Gumpfm)
Radiometers (Gumpfq)
Signal generators (Gumpfr)
Spectrometers (Gumpfs)
Spectrophotometers (Gumpft)
Time domain reflectometers (Gumpfv)
Wavemeters (Gumpfw)