·Advanced measuring chip with high reliable CPU and manufactured with advanced

   SMT  process

·Forward/Reverse active/reactive energy measurement, total active/reactive energy

   measurement, 4-quadrant reactive energy measurement

·Active energy measurement of each phase, active/reactive energy measurement of each

   tariff, total energy measurement, MD measurement, the time of power on or off

·Instantaneous parameter measurement : rms voltage, rms current, power factor, frequency,

   power

·State measurement: the time of phase failure, current missing and potential missing

·Meter reading by GPRS/CDMA, programmable time interval and content, such as phase

   current, phase voltage, potential missing, current missing, phase failure, reactive power,

   active power, current MD, MD last month, RTC, etc.

·Data reserve: load profile, daily data, monthly data, alarm event, instantaneous parameter

   measurement

·Daily data: daily active energy of each tariff, daily total active energy, daily reactive energy of

   each  tariff, daily total reactive energy, default daily data reading at 0 oclock or other time

   which is programmable, the accumulated time of exceeding upper limit and lower limit,

   which are programmable.

·Monthly data: monthly active energy of each tariff, monthly total active energy, monthly

   reactive energy of each tariff, monthly total reactive energy, default monthly data reading at 0

   oclock of the end of month or other time which is programmable, the accumulated time of

   exceeding upper limit and lower limit, which are programmable, and voltage qualification

   rate, MD and the time of MD happening.

·Profile data: monthly active energy, monthly reactive energy, 4-quadrant reactive energy,

   phase current, phase voltage, phase power, total power, reactive power, phase power factor,

   total power factor. Programmable data collection interval. All these daily, monthly and profile

   data live 60 days

·Event record: Recording the last 400 events such as cover opening, energy differences,

   power differences, phase sequence disorder, reverse current, TOD and tariff programming,

   RTC abnormality, low battery voltage, self running, decreasing of energy consumption, stop

   metering, abnormal communication of RS485, terminal power on or off, overload, overcurrent,

   over voltage, no voltage with current, no voltage and current, current imbalance, over

   compensation of reactive power, inadequate compensation of reactive power etc

·Immediate abnormal events information report, such as the name of manufacturer, the time

   of its happening and recovering, the content etc

·RTC calibration: terminal RTC calibrated by master server, programmable interval for

   calibration, meter RTC calibrated by terminal  

·Read last settlement of electricity consumption under power failure condition

·Data security: terminal password for parameter editing, 24 hours parameter editing rejection

   for repeated wrong password input. Encryption-zipped data for communication

·Manage up to 16 multi-function meters

·Harmonics analysis: analyzes up to 21st harmonic of voltage and current, the ratio of

   voltage and current distortion

·LED indication: operational state, communication state, active/reactive energy pulse