Universal portable verification units are designed for automated verification in laboratory conditions and on-site:
single-phase and three-phase electricity meters of accuracy class 0.05 and less accurate;
single-phase and three-phase wattmeters, varmeters, energy phase meters, frequency meters;
voltmeters, ammeters;
PCE analysers according to GOST 30804.4.30
Composition
reference device Energomonitor 3.1 KM;
portable programmable current and voltage source Energoform 3.3-12M (12 A max) or Energoform-3.3-100 (120 A max)
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