Knowledge - Tech Notes
|Index||Defined by||Definition Point||Formula||Index range|
|Percent Flicker||Illuminating Engineering Society (IES)||A relative measure of the cyclic variation in the amplitude of a light.||0% ~ 100%
The lower the percent flicker, the less substantial the flicker.
|Flicker Index||Illuminating Engineering Society (IES)||A measure of the cyclic variation taking into account the shape of the waveform.||0 ~ 1
The lower the flicker index, the less substantial the flicker.
|SVM (Stroboscopic Effect Visibility Measure)||PHILIPS & CIE||Time domain → frequency domain.
Summation of weighted Fourier components
|SVM < 1，Not Visible
SVM > 1，Visible
SVM = 1，Just Visible
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UPRtek Knowledge - Tech Notes Introduction
United Power Research Technology Corp. is Taiwan supplier and manufacturer in Optoelectronics Industry. UPRtek has been offering our customers high quality Spectrometer, Color Meter, Spectral PAR Meter, Spectral Color Meter, Spectrum, LED Meter, Spectradiometer, LED Measurement, LED light testing since 2010. With both advanced technology and 8 years experience, UPRtek always make sure to meet each customer's demand.