8.2 Detailed Specifications of Measurement Parameters
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[Frequency]
f
Measurement source U1 Voltage
Measurement method 200 ms calculation
Measurement display
range
40.00 to 70.00 Hz
Usable measurement
range
45.00 to 66.00 Hz
Measurement range 99.99 Hz
Measurement accuracy
±0.01 Hz ±1 dgt. or less (with a sine wave between 10
and 110% of the range applied to U1)
Display when measure-
ment is impractical
0.00 Hz ±1 dgt.
[Active Power]
P
Measurement range Depends on conbined voltage × current range
Measurement method 200 ms calculation
Measurement accuracy
±0.3% rdg. ±0.2% f.s. + clamp-on sensor specification
(Power Factor = 1)
Effect of Power Factor ±1.0% rdg. (50 /60Hz, Power Factor = 0.5)
Polarity indication None for consumption, “–” for regeneration
[Reactive
Power]
Q
Measurement range Depends on conbined voltage × current range
Measurement method
Calculates from active and apparent power, 200 ms cal-
culation
Measurement accuracy ±1 dgt. of calculation from each measurement value
Polarity indication
No sign for lagging phase (current lags voltage)
Minus sign (–) for leading phase (current leads voltage)
[Apparent
Power]
S
Measurement range Depends on conbined voltage × current range
Measurement method 200 ms calculation
Measurement accuracy ±1 dgt. of calculation from each measurement value
Polarity indication No polarity
[Power Factor]
PF
Measurement method 200 ms calculation
Measurement range -0.000 to -1.000 (leading), +0.000 to +1.000 (lagging)
Measurement accuracy ±1 dgt. of calculation from each measurement value
Polarity indication
No sign for lagging phase (current lagging voltage)
Minus sign (–) for leading phase (current leading
voltage)
Non-Input display “1.000” (when voltage or current is zero)
Measurement Parameter