(1) Time-sharing measurement of forward active and reverse active electric energy; at the same time, it has split-phase power measurement.
(2) Can measure reactive power in four quadrants.
(3) Time-sharing measurement of forward reactive and reverse reactive power; the measurement methods of forward reactive and reverse reactive power can be set.
(4) Time-sharing measurement of forward and reverse active and reactive maximum demand and reverse active and reactive maximum demand.
5) 2 time zones, 4 rates, 2 sets of time slots, 8 time slot meters, 14 time slot numbers, weekly rest days, public holidays; freezing of power data when switching between standby time slots, including forward and reverse active and reactive power as well as the power of each rate.
(6) Display the operation status of the meter, various parameter settings and various metering data through LCD, and prompt the abnormality.
(7) Parameters can be displayed in turn and according to the display, and the parameters, time and order of the turn and according to the display can be set arbitrarily.
(8) Real-time measurement of A, B, C three-phase voltage, current, power, power factor and other effective values and current frequency.
(9) It has the functions of recording events such as loss of voltage, loss of current, phase breakage, current imbalance, voltage reverse phase sequence, open meter cover, open end button cover, overload, voltage pass rate, power loss, total loss of voltage, programming, demand clearing, meter clearing, broadcasting and calibrating, etc., as well as the moments of the last 10 occurrences of each event and the end of each event, and it can realize the function of reporting the events by means of additional information.
(10) With active and reactive pulse test port output.
(11) It has multi-function output test port, which can test the clock second pulse, time period casting and cutting, demand cycle, and select the interface output by switching command.
(12) Adopting clock chip with built-in temperature compensation circuit, automatic switching of calendar, chronograph and leap year.
(13) It has the function of calibration, and the energy meter can be calibrated through RS485, infrared and other communication interfaces.
(14) It has the function of programming prohibition and zero clearing.
(15) It has the function of waking up to power failure button, and can realize infrared meter reading in power failure.
(16) The meter has RS485, carrier wave and infrared communication interfaces, and PC or PDA can communicate with the meter through RS485 interface and infrared communication interface.
(17) It has extended functions such as abnormal current detection of power outage, zero point/instantaneous/end of time zone power freezing, load representative day whole point recording, 6 types of load curve recording and so on.
(18) Timing freeze, instantaneous freeze, agreed freeze, whole point freeze power record function.
(19) The energy meter fee-control function is realized through the master station/power sales system with the help of network and other virtual media.
(20) The remote communication data exchange of power meter fee control function requires security authentication before data transcription.