These panel meters including voltmeters, ammeters, frequencymeteres, multimeters and analyzers (DV, DA, DM, DF, DVF and DKM series) are designed for accurate measurement of the AC RMS voltage, current, frequency, active power, power factor and many other parameters in single and 3 phase systems. Although they are mainly used in electrical panels, these devices can also be integrated in many other applications.
These multichannel alarm annunciators designed for usage in energy and automation systems in purpose to inform personel about warnings and emergency issues happened with various equimpment.