PQ3350 V5.2 11/10
37
AC Voltage
(50 or 60 Hz, Auto Range, True RMS, Crest Factor < 4, Input Impedance 10 M
Ω
,
VT (PT) = 1, Overload Protection AC 800V)
Range
Resolution
Accuracy of Readings
7
20.0 V – 500.0 V (Phase to Neutral)
±0.5% ± 5dgts
20.0 V – 600.0 V (Phase to Phase)
0.1 V
±0.5% ± 5dgts
7
For VT (PT)
≠
1, the accuracy in percentage is the same (±0.5%). But the
additional digits should be multiplied by the CT ratio.
For example,
±5 digits becomes ±5 digits * VT (PT) ratio
Harmonics of AC Voltage in Percentage
(1 to 99
th
order, minimum voltage at the 50 or 60 Hz > AC 80V. If the voltage is 0 at
50 or 60 Hz, all the percentage (%) display is 0.)
Range Resolution
Accuracy
1 – 20
th
±2%
21 – 49
th
±4% of reading ± 2.0%
50 – 99
th
0.1%
±6% of reading ± 2.0%
Harmonics of AC Voltage in Magnitude
(1 to 99
th
order, minimum voltage at the 50 or 60 Hz > AC 80V, VT=1)
Range Resolution
Accuracy
1 – 20
th
±2% ± 0.5V
21 – 49
th
±4% of reading ± 0.5V
50 – 99
th
0.1V
±6% of reading ± 0.5V
Harmonics of AC Current in Percentage
(1 to 99
th
order. Min. current at 50 or 60 Hz is: model PQ3110 > 10% of
the range; model PQ3120 > 20A; model PQ3220/PQ3210 >
30A. If the current is 0 at 50 or 60 Hz, all the percentage (%) display is 0)
Model PQ3110
Range Resolution
Accuracy
1 – 10
th
±0.2% of reading ± 1%
11 – 20
th
±2% of reading ± 1%
21 – 50
th
(A range)
±5% of reading ± 1%
21 – 50
th
(mA range)
±10% of reading ± 1%
51 - 99
th
0.1%
±35% of reading ± 1%
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