Smart Energy Meter

Accuracy Class 0.2S, Class 0.5S, Class 1 and Class 2 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&UPSCurrent CT Range: 0.3/1.2A,1/4A,1.5/6A,5/20A CT Meter: 20 times Imax for 0.5 seconds  WC Range: 5/100A,10/100A,15/60A,20/100A,30/120A(Class 1) WC Limit: 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/Maximun/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 Power Quality Indication  Total Harmonic Distortion(THD) Sequence Components Waveform Download 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 16 Characters by 2 Line Alphabetical Display  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 Physical Dimensions Standard Version:278.5mm(L) × 172.5mm(W) × 80.6mm(D)  Weight:Approximately 1.5Kg Software  Wisdom Software Available for Meter Programming&Reading(Windows 7/Vista/XP/2000)