·Remote charge control: the electric energy meter uses RS-485 to pass the password verification and security authentication, and receives the opening, closing and ESAM data reading instructions issued by the remote power sales system.
·Electric energy measurement function: it has positive and negative active energy measurement function; The time-sharing measurement of active electric energy accumulates and stores the total, peak, peak, average and valley electric energy according to the corresponding period.
·Multi rate function: it has two sets of time zone tables; Two sets of daily period tables can be programmed to set 4 rates and 14 periods at most.
·The built-in hardware clock circuit with temperature compensation has the functions of calendar, timing and leap year automatic conversion, and the accuracy is better than the State Grid standard.
·It has metering pulse indication, alarm indication and trip indication.
·Infrared communication and RS485 communication function: all data items supported by the watt hour meter can be copied for parameter setting.