Description: The EDM 551 series of 3-phase digital energy meter, built to standard IS 13779 : 1999 and feature true RMS energy calculations to class 1.0 accuracy on all three phases has been introduced by Essen Deinki. The display is using a 6 digit non-resettable mechanical counter. The meter features reverse current indication and has a digital isolated pulse output for PLC and automation needs of industry mechanical counter.
