PQ3350 V5.2 11/10
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For example,
±0.8W becomes ± 0.8W * CT ratio
Range of CT (Current Transformer) Ratio:
1 to 600
AC Apparent Power (VA, from 0.000VA to 9999 KVA):
VA = V r.m.s. x A r.m.s
AC Reactive Power (VAR, from 0.000 VAR to 9999 KVAR):
VAR =
√
(VA
2
– W
2
)
AC Active Energy (mWH, WH, or KWH, from 0 mWH to 999,999 KWH)
WH = W * Time (in hours)
AC Current
(50 or 60 Hz, Auto Range, True RMS, Crest Factor < 4, CT=1)
Model PQ3110
(Overload Protection AC 200A)
Range
Resolution
Accuracy of Readings
4
0.04 – 1 A
0.001 A
±0.5% ± 0.05A
0.4 – 10 A
0.01 A
±0.5% ± 0.05A
4 – 100 A
0.1 A
±1.0% ± 0.5A
Model PQ3120
(Overload Protection AC 2000A)
Range
Resolution
Accuracy of Readings
5
10.00A 0.001A/0.01A
–
4A - 100.0A
0.01A/0.1A
±0.5% ± 0.5A
40A – 1000.0 A
0.1A/1 A
±0.5% ± 5A
Model PQ3220
(Overload Protection AC 3000A)
Range
Resolution
Accuracy of Readings
6
0 – 300.0A
0.1A
±1% of range
300.0 – 3000A
0.1A / 1A
±1% of range
Model PQ3210
(Overload Protection AC 1200A)
Range
Resolution
Accuracy of Readings
6
0 – 120.0A
0.1A
±1% of range
120.0 – 1200A
0.1A / 1A
±1% of range
4, 5, 6
For CT
≠
1, the accuracy in percentage is the same (±0.5%). But the
additional digits should be multiplied by the CT ratio.
For example,
±0.5A becomes ±0.5A * CT ratio
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