Prepayment Smart Energy Meter

Accuracy Class 0.5S, Class 1  IEC62052-11, IEC62053-21(Class 1), IEC62053-22(Class 0.2Sand 0.5S), IEC62053-23(Class 2) Compliance with DLMS/COSEMMeasurement Mode Single Phase (3 Circuits) 3 Phase 3 Wire  3 Phase 4 Wire Measured Energy Values  3 Elements, 4 Quadrants Import/Export KWh, KVARH and KVAH Per quadrant WH, VARH and Vah Absolute WH, VARH and VAH Phase A, B, C & Total Other Measured and Displayed Values  W, VAR, KVA True RMS Voltage(3 Phase) True RMS Current(3 Phase) Power Factor Frequency Phase Angles Voltage &Power Supply Nominal Voltage: 57.7-240 L-N Operating Limit: 46-290 L-N Frequency Range:45Hz-65Hz(National Deviation Involved) Option for Auxiliary Supply &UPSPower Quality Indication  Total Harmonic Distortion(THD) Sequence Components Waveform Display Current CT Range: 1.5/6A,5/20A CT Meter: 20 times Imax for 0.5 seconds  WC Range: 5/100A,10/100A,15/60A,20/100A WC Meter: 30 times Imax for 0.5 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 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 Environmental  Operating Range: -25℃~+55℃ Limit Range: -30℃~+60℃ Relative Humidity: Up to 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 6 integral with 2 decimal 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  RS485 Port(MODBUS, IEC62056-21 (IEC1107),DLMS/COSEM compliant, or other provided protocols) IR Port UDP/IP GPRS/PPP Capable Disconnect Relay Low credit alarm Deduction of credit  Emergency credit  Credit refund  Non-disconnection time and day  Load limit Physical Dimensions Standard Version:290mm(L) × 170mm(W) × 85mm(D)  Weight: Approximately 2.6Kg Software  Software Available for Meter Programming & Reading(Windows 7/Vista/XP/2000)