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52120A
Users Manual
RMS
60 A
100 A
100 A
36 A
36 A
24 A
[1]
[2]
[3]
Verify Phase Angles at Higher Frequencies
Make sure the voltage connection scheme to the phase meter and on the 6105A are the
same (two wire or four wire connection).
The specification of the Clarke-Hess 6000 has a specification that is wider
than the specification for the Product below 180 Hz.
1. Set the 6105A voltage output to 23 V on the 23 V range.
2. Connect the 6105A output to the phase meter reference channel.
3. Connect the 2 A shunt between the 6105A and the second input to the phase meter.
4. Set the 6105A range to 1 x Ext 2A.
5. Set the current, frequency, and phase angle to the values in Table 5-14.
RMS
2 A
2 A
2 A
2 A
0.6 A
0.4 A
[1]
[2]
6. Connect the 20 A shunt between the 6105A and the second input to the phase meter.
7. Set the 6105A range to 1 x Ext 20A.
5-26
Table 5-13. Amplitude Verification on 120 Amp Range
6105A
Measured
Error (%)
Frequency
DC
57 Hz
850 Hz
[1]
1083 Hz
[2]
2850 Hz
[3]
5643 Hz
Fundamental 57 Hz, zero amplitude, 19
Fundamental 57 Hz, zero amplitude, 50
Fundamental 57 Hz, zero amplitude, 99
Table 5-14. Phase Angle Verification on 2 Amp Range
6105A
Phase
Frequency
Angle
0 °
200 Hz
0 °
850 Hz
-90 °
850 Hz
+90 °
850 Hz
[1]
0 °
2907 Hz
[2]
0 °
5643 Hz
st
Fundamental zero amplitude, 51
th
Fundamental zero amplitude, 99
Product
Specification
6105A
6100B
(99 %)
(99 %)
±0.0300 % ±0.0720 %
±0.0146 % ±0.0216 %
±0.0146 % ±0.0216 %
±0.0687 % ±0.0687 %
±0.0687 % ±0.0687 %
±0.0770 % ±0.0770 %
th
harmonic at 36 A
th
harmonic at 36 A
th
harmonic at 24 A
Note
Measured
Product
Angle
Specification
0.025 °
0.045 °
0.045 °
0.045 °
0.325 °
0.645 °
harmonic of 57 Hz at 0.6 A
harmonic at 0.4 A
TUR
Measurement
Uncertainty
6105A
±0.0046 %
6.5:1
±0.0131 %
1.1:1
±0.0112 %
1.3:1
±0.0185 %
4.3:1
±0.0214 %
3.8:1
±0.0193 %
4.0:1
Measurement
Uncertainty
0.020 °
0.020 °
2.3:1
0.020 °
2.3:1
0.020 °
2.3:1
0.030 °
0.040 °
6100B
16:1
1.6:1
1.9:1
4.3:1
3.8:1
4.0:1
TUR
1:3
10:1
16:1
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