4 Measurands and Recording
4.1 Measuring and Recording System
30 SENTRON PAC5100/5200, 7KM5212/5412, Device Manual
E50417-H1040-C568-A1, Edition 03.2015
Flicker
• The short-term flicker value Pst and long-term flicker value Plt are determined for phase-to-ground volt-
ages and delta voltages. The flicker measurement is performed according to EN 61000-4-15.
• The flicker measurement is performed on all 3 voltage channels.
• Flickers appear with a frequency from 0.005 to 35 Hz. The instantaneous flicker value is displayed in per-
ceptibility units P.
• Short-term flicker value Pst
determined over 10 min (short-term flicker), fixed
• Long-term flicker value Plt
over 2 h (12 Pst values), fixed
• Perceptibility Pinst
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