Measuring Method And Accuracy - ABB ANR96 User Manual

ANR96 - USER MANUAL
2.2)

MEASURING METHOD AND ACCURACY

Measuring range
30-500Hz.
Measuring method
64 sampling per period for V1 and I1, V2 and I2, V3 and I3.
Measuring interval 0,1 second.
Instrument accuracy
Voltage
Current
Power
Energy
Power Factor
Standard
Sampling frequency
45 Hz=2.280 or at 60 Hz = 3,88kHz
Zero self-regulation
Offset
0,1 second.
RTC - REAL TIME CLOCK
Accuracy: 5 PPM, standard CEI-EN 61038
Model ANR96 Model ANR96-02
< 0.5 %
< 0.5 %
< 1 %
< 1 %
< 1 %
EN 62053-21
< 0.25 %
< 0.25 %
< 0.5 %
< 0.5 %
< 0.5 %
EN62053-22
-8-