PCE Instruments PCE-GPA 62, User Manual

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wattage should be multiplied by the VT ratio.
For example, ±0.2VAR becomes ± 0.2VAR * VT ratio
Range of VT (Voltage Transformer) Ratio: 1 to 3000
AC Active Energy (WH, or KWH, from 0 WH to 999,999 KWH)
WH = W * Time (in hours)
AC Current
(50 or 60 Hz, Auto Range, True RMS, Crest Factor < 4, Overload
Protection AC 2000A)
Range Resolution Accuracy of Readings
4.0 – 1500.0 A 0.01 A ±1.0% ± 5dgts
AC Voltage
(50 or 60 Hz, Auto Range, True RMS, Crest Factor < 4, VT=1, Input
Impedance 10 M Ω , Overload Protection AC 800V)
Range Resolution Accuracy of Readings
1
4.0 V – 600.0 V 0.1 V ±0.5% ± 5dgts
1
For VT
≠≠≠≠
1, the accuracy in percentage is the same (±0.5%). But the
additional digits should be multiplied by the VT ratio.
For example, ±5digits becomes ± 5digits * VT ratio
Harmonics of AC Voltage in Percentage ( 1 to 50
th
order, minimum voltage at 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
0.1% ±2%
21 – 50
th
0.1% 4% of reading ±2.0%
Harmonics of AC Voltage in Magnitude (1 to 50
th
order, minimum voltage at 50 or
60 Hz > AC 80V, VT=1)
Range Resolution Accuracy
1 – 20
th
0.1% ±2% ± 0.5V
21 – 50
th
0.1% 4% of reading ±0.5V