Essen deinki, a leading indian manufacturer and solution provider for electrical power and control panel accessories. The company has developed latest range edm 551 series of 3 phase digital energy meters. These electronic energy meters are manufactured to comply is13779: 1999 indian standard and feature true rms energy calculations to 1.0 accuracy class on three phases. These electronic energy meters are available with salient features like display using 6 digit mechanical counter that cannot be reset; compact and lightweight meter with reverse current indication; digital isolated pulse output for plc and automation needs of industry. The energy meters come with a finger touch protected terminal blocks for safe and trouble free installation.