PROVA 21 - Specifications: AC Voltage and Harmonics; AC Voltage Specifications (Model 19, 21, 23); Harmonics of AC Voltage (Percentage)

26
For example, ±5 digits becomes ±5 digits * CT ratio
6
If Auto Hz is selected, the AC current must be greater than 10mA for mA
range, and greater than 1A for A range.
AC Voltage (Accuracy is of reading, Auto Range, True RMS, Crest Factor < 4, Input
Impedance 10 MΩ, Max peak value 860VDC, and Overload Protection AC 800V)
Model 19, 21, 23
Range Resolution Accuracy (50/60Hz)
7
5V – 250 V 0.1 V ±0.5% ± 5dgts
250 V – 600 V 0.1 V ±0.5% ± 5dgts
Range Resolution Accuracy (45-1KHz)
7
5V – 250 V 0.1 V ±1.5% ± 5dgts
250 V – 600 V 0.1 V ±1.5% ± 5dgts
7
If Auto Hz is selected, the AC voltage must be greater than 50V.
Harmonics of AC Voltage in Percentage (1 to 99
th
order, minimum voltage at 50
or 60 Hz is greater than AC 80V. If the voltage is 0 at 50 or 60 Hz, all the percentage
(%) display is 0).
Range (Model 19, 21) Resolution Accuracy
1 – 10
th
0.1 % ±1% of reading ±1%
11 – 20
th
0.1 % ±5% of reading ±1%
21 – 50
th
0.1 % ±15% of reading ±1%
51 - 99
th
0.1 % ±35% of reading ±1%
Range (Model 23) Resolution Accuracy
1 – 10
th
0.1 % ±0.7% of reading ±1%
11 – 20
th
0.1 % ±2% of reading ±1%
21 – 50
th
(A range) 0.1 % ±5% of reading ±1%
21 – 50
th
(mA range) 0.1 % ±10% of reading ±1%
51 - 99
th
0.1 % ±35% of reading ±1%