PROVA 21 - Specifications: AC Current Harmonics, PF, Phase Angle, Frequency; Harmonics of AC Current (Magnitude); Power Factor, Phase Angle, and Frequency Specs

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Harmonics of AC Current in Magnitude (1 to 99
th
order, minimum current at 50 or
60 Hz is greater than 100mA for mA range, and greater than 1A for A range)
Model 19, 21, 23
Range Resolution Accuracy
1 – 10
th
reading in mA: ±1% of reading ±2mA
reading in A: ±1% of reading ±0.3A
11 – 20
th
reading in mA: ±7% of reading ±2mA
reading in A: ±7% of reading ±0.3A
21 – 50
th
reading in mA: ±15% of reading ±3mA
reading in A: ±15% of reading ±0.3A
51 - 99
th
0.01mA /
0.1mA /
0.001A /
0.01A
reading in mA: ±35% of reading ±3mA
reading in A: ±35% of reading ±0.3A
Power Factor (PF, ACV > 4V, AC mA > 1mA, AC A > 0.04A, Watt > 50 digits)
Model 21, 23
Range Resolution Accuracy
0.000 – 1.000 0.001 ±0.04
Phase Angle (Φ, 50 or 60Hz)
Model 21, 23
Range Resolution Accuracy
-180° to 180° 0.1° ± 2°
0° to 360° 0.1° ± 2°
If function of AUTO Hz is selected, add 2° error to the accuracy.
Frequency (Hz)
Model 19, 21, 23
Range Resolution Accuracy of Readings Allowed Input
mA(45 – 65Hz) 0.1Hz ± 0.5Hz 20mA to 1.2A
A(45 - 65Hz) 0.1Hz ± 0.5Hz 1A to 100A
Sensitivity (PROVA 19, 21): > 20mA for mA range, > 1A for A range, and > 50V
Sensitivity (PROVA 23): > 20mA for mA range, > 3A for A range, and > 50V