Fluke 437-II Manual - Page 87
Flicker,
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Chapter 17 Flicker Introduction Flicker is available in Fluke 435-II and 437-II. It quantifies the luminance fluctuation of lamps caused by supply voltage variations. The algorithm behind the measurement meets EN61000-4-15 and is based on a perceptual model of the human eye / brain sensory system. The Analyzer converts duration and magnitude of voltage variations into an 'annoyance factor' caused by the resulting flicker of a 60 W lamp. A high flicker reading means that most people would find the luminance changes irritating. The voltage variation can be relatively small. The measurement is optimized to lamps powered by 120 V / 60 Hz or 230 V / 50 Hz. Flicker is characterized per phase by the parameters shown in a Meter screen. The related Trend screen shows the changes in all measuring values in the Meter screen. Note: Flicker is not available for measurements in 400 Hz power systems such as offered in Fluke 437-II. Meter screen To access the Flicker Meter screen: c MENU d F2 17-1 MyFlukeStore Shop for Fluke products online at: www. .com 1.877.766.5412