Digital Watt Hour Meter

* Accurately measuring of positive,negative cumulative energy consumption.
* The calculation type of total power can be set to absolute amount of A,B,C phases and algebraic amount of those.
* Adopts LCD with wide range temperature and wide visual angle displaying the data.
* Register the power of the current month and total last twelve months.
* Digits of the display pattern are six integers and two decimals (or one).
* Display date,time,No.of the meter,etc relative assistant information.
* Inspection and alarm function of voltage loss and phase failure.
* Inspection and alarm function of reverse phase sequence connection.
* Inspection and alarm function of non current.
* Inspection and alarm function of current anti-polarizing each phase.
* Reverse display function of total power.
* Displaying current total energy consumption when power off and also have enquiry function by button.
* Program the system with the function of preventing quick operation bring by fault of parts.
* Infrared and 485 communication function, support metering by shorten digits meter number.