Accuracy
Class 1 & 2 (to IEC62053-21)
Voltage
Rated voltage: 63.5V / 230V
Burden - <10VA / phase @ Vn (3 phase), as per
IEC 62053-21, 1998
Frequency 45-65 Hz
Current
C. T. Range - 5/20A
W. C. Range - 10/100A
Short time over-current - 20 times the Imax for 0.5 seconds
Burden - <0.5VA/phase
Measurement Modes
Single phase (3 circuits)
3 phase 3 wire *
3 phase 4 wire
Measured Energy Values
3 element, 4 quadrant
import/Export Wh, varh and VAh
Absolute Wh, varh and VAh
Phase A, B, C and Total
Other Measured and Displayed Values
Power: W, var, VA
True RMS Voltage (3 phase)
True RMS Current (3 phase)
Power factor
Frequency
Phase angles
Communications
Local - ANSI type 2 optical or FLAGTM (IEC 1107)
Remote - isolated RS485 or RS232
Communications Possibilities
ANSI Type 2 Optical
IEC 1107
RS232
RS485 (2 or 4 wire multidrop)
GPRS
Temperature Range
Operating -25º C to +60º C
Storage -40º Cto +85º C
Data Storage (Confi guration, TOU Data and Load Survey)
Flash RAM, indefinite storage period
Battery backed up RAM
Time Keeping
Accuracy (internal) ± 30 sec/month
Backup time - 2 years without power or 10 years (optional)
Backup type - lithium battery
Internal crystal.
Time Of Use
Up to 4 rates
Up to 8 separate import and export registers
Up to 255 programmable special days
Daily, Weekly, Monthly, Yearly, Special
13 previous periods, plus period totals
Time of Maximum Demand
Load Survey / Profile
60 day - 2channel capacity at 30 minute intervals
Up to 15 channels
Interval programmable from 1 to 60 minutes
Energy, instantaneous readings, pulsing inputs, average/min/max readings
Sag / Swell
5 cycle resolution
Records time/date/phase/duration/worst excursion
Programmable trigger levels
LCD Display
8 digits for measurement
7 digits ID
Up to 60 user configurable screen displays
Displays any available meter parameter
Battery is used for reading when mains supply is absent
Chinese character version available
Equipment Failure Alarms (EFAs)
There are pre-programmed alarms based on numerous:
Self checks
Tamper and wiring checks
Record an event in the event log
Tamper Evident Features
Measurement of neutral current
Provision for sealing using conventional wire or plastic seals
Bypassing current and reverse current
Tampering of meter terminal cover* (opening or removing)
Advanced tamper detection and logging*
Magnetic detection.