1.Network meter 2.Programmable Rohs mark 3.Multi tariff, measure ... one day 4.SCADA System DIGITAL METERpower energy meter is a kind of programmable electric digital meter, It can measure single phase ... /O module and relay alarm function,etc.With digital input or digital output,we can realize alarming or controlling other ... no condensation ,without corrosive gas .Altitude <2000m 96 square digital meter