12.3 Detailed Measurement Specifications
183
Chapter 12 Specifications
12
Frequency (f)
Measurement
method
Reciprocal method
Measurement
range
40.000 Hz to 70.000 Hz
Measurement
channel
Voltage U1
Measurement
accuracy
±0.5%rdg.
For sine wave input from 90 V to 780 V
Voltage waveform peak (Upeak/Upk), Current waveformpeak (Ipeak/Ipk)
Measurement
method
Peak value (absolute value) for each calculation interval (10 cycles
at 50 Hz or 12 cycles at 60 Hz)
Measurement
accuracy
Accuracy not defined.
Active power (P)
Measurement
method
Calculated using voltage and current waveform sampling data.
See: "Active power" (p. 201)
Measurement
range
Combination of voltage × current range
See: 12.6, "Range Configuration and Accuracy by Clamp Sensor"
(p. 210)
Measurement
accuracy
45 Hz to 66 Hz: ±0.3% rdg. ±0.1% f.s. + clamp sensor specifications
(power factor = 1)
With a fundamental frequency of 50/60 Hz
Up to 1 kHz: ±3% rdg. ±0.2% f.s. + clamp sensor specifications
Up to 3 kHz: ±10% rdg. ±0.2% f.s. + clamp sensor specifications
Phase effects Equivalent to ±0.3° of phase accuracy (at 50/60 Hz, f.s. input)
Polarity
indication
Consumption: Unsigned
Regeneration: Negative
Reactive power (Q, PF/Q/S calculation selection: RMS calculations)
Measurement
method
Calculated from apparent power and active power.
See: "Reactive power" (p. 202)
Measurement
range
Combination of voltage range × current range
See: 12.6, "Range Configuration and Accuracy by Clamp Sensor"
(p. 210)
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