Single Phase Electronic Prepayment Smart Meter

Measurement  Class 1 and Class 2 IEC62052-11, IEC62053-21(Class 1), IEC62053-23(Class 2) I Phase 1 Wire with Maximum 80A Disconnect Switch Measured Energy Values  Import/Export WH, VARH and Vah Absolute WH, VARH and VAH W, var, VA,VRMS, IRMS,Fundamental V,I Power Factor Frequency Phase Angles Voltage &Power Supply Nominal Voltage: 176-253V Operating Range: 0-253V(418V for 1h without ) Frequency Range:45Hz-65Hz(National Deviation Involved)Current CT Range: 1.5/6A CT Meter: 20 times Imax for 0.5 seconds  WC Range: 5/100A,10/100A, 20/80A,20/100A,30/120A WC Limit: 30 times Imax for 0.5 cycles 7000A for 3 cycles Burden: less than 0.5VA/phase Load Survey/Load Profile Up to 2 Megabytes of Non-Volatile Memory  Over 600 Days Storage(8 Channels, 15-Minute Intervals) Intervals Programmable from 1 to 60 Minutes Energy, Instantaneous Readings as Channel Sources Ability to Store Average/ Maximum/ Minimum Values for Interval Duration for Individual Channels Prepayment(Optional) Credit or Debit Operation  Energy or Currency Based  Multiple Energy Sources  Minimum Charges &Emergency Credit  Configuring Warnings &Indicators Time of Use  4 Rates Plus Unified Rate  Daily, Weekly, Monthly, Yearly &Special  Up to 200 Programmable Special Days  Up to 61 Previous Periods plus Period Totals  Block or Rolling Maximum Demand  Energy, Pulsing Inputs  Time of Maximum Demand Power Quality Indication  Total Harmonic Distortion(THD) Sequence Components Waveform Download Environmental  Operating Range: -25℃~+60℃ Limit Range: -40℃~+70℃ Relative Humidity: Up to 75% mean, 95% non-condensing for 30 days Time Clock &Calendar Accuracy (internal) within 15 Seconds per Month at 23℃ Backup Time of 10 Years without Power(Lithium Battery) Internal Crystal TimingLCD Display Large 7-Segment Display  6 integral with 2 decimal or 5 with 3(programmable) Programmable units, multipliers and leading zeros Up to 64 user definable screen displays  Displays any available meter parameter Security  Multi-level Security(Username &Password including Encrypted Log-in) Up to 3 Independent Security Levels Up to 3 Individual Users Tamper Detection& Alarms  Provision for Sealing with Lead Seals  Bypassing &Reverse Current  Advanced Tamper Detection and Logging  Pre-programmed Alarms for Meter Self-check  Alarms Trigger LEDs, Relay Outputs or Communication Events Alarms are Stored in Event Logs Communications  Option for DLMS/COSEM  IR Port PLC ZIGBEE Disconnect Relay Low credit alarm Deduction of credit  Emergency credit  Credit refund  Non-disconnection time and day  Load limit Physical Dimensions Standard Version:160mm(L) × 112mm(W) × 71mm(D)  Weight: Approximately 1Kg Software  Wisdom Software Available for Meter Programming &Reading(Windows 7/Vista/XP/2000)