Voltage measurement up to 800 V d.c., completely programmable by Setup, 4 digit display, 7 segments(high efficiency), Digital output by means of opto-insulated transisto, programmable by Setup, 1% accuracy in engery, Two types of energy meter: direct connection up to 30A, type MK-30-DC and connection via shunt ( .../60 mV), type MK-SH-DC, this energy meter has been specially designed for sun energy photovoltaic applications, Its features are throught mainly for integration in DC electrical networks and is Ideal new and existing installations.