Amprobe PQ55A Power-Analyzer Manual do Utilizador descarregar pdf (Página 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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Amprobe PQ55A Power-Analyzer Manual do Utilizador Página 41

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