Amprobe PQ55A Power-Analyzer - Manual (Page 41)

Phase angle (f) (calculation out of power factor)
Display of phase angle of an individual input or the total value, as desired
Measurement range: .... 0° to 90°
A negative sign “- “shows a leading current.
Resolution: ..................0.1°
Accuracy: ....................± 4°
Frequency measurement (for voltage ramge > 80 V)
Measurement range: ....45 to 80 Hz
Resolution: ..................0.1 Hz
Accuracy: ....................± (1 % rdg + 10D) for voltage > 80 V
Rotary field detection (for conductor voltages > 80 V)
Display for clockwise rotary field: , Display for counterclockwise rotary field:
Energy measurement – active power (kWh)
Display of the total value of all active power values
Range Resolution Accuracy Sampling Rate
3.999 kWh 0.001 kWh
± (3.5% rdg. + 20D) 1 second
39.99 kWh 0.01 kWh
399.9 kWh 0.1 kWh
3.999 MWh 0.001 MWh
39.99 MWh 0.01 MWh
119.3 MWh 0.1 MWh
Energy measurement – apparent power (kVAh)
Display of the total value of all apparent power values.
Range Resolution Accuracy Sampling Rate
3.999 kVAh 0.001 kVAh
± (3.5% rdg. + 20D) 1 second
39.99 kVAh 0.01 kVAh
399.9 kVAh 0.1 kVAh
3.999 MVAh 0.001 MVAh
39.99 MVAh 0.01 MVAh
119.3 MVAh 0.1 MVAh
Energy measurement – idle power ( kvarh)
Display of total values of all idle power values.
Range Resolution Accuracy Sampling Rate
3.999 kvarh 0.001 kvarh
± (3.5% rdg. + 20D) 1 second
39.99 kvarh 0.01 kvarh
399.9 kvarh 0.1 kvarh
3.999 Mvarh 0.001 Mvarh
39.99 Mvarh 0.01 Mvarh
119.3 Mvarh 0.1 Mvarh
Harmonics measurement
This measurement is only possible via a PC.
Measurement up to the 31st harmonics
Measurement inputs: U1, U2, U3, I1, I2, I3
Voltage range > 80 V
Current range > 50 A
Sampling range: approx. 3 s.
Sampling resolution per measurement: 64 points
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