6100B/6105A
Users Manual
7-6
7-11. Calibration Uncertainties for Full Accuracy
The uncertainties of measurement required to achieve the full specification of the 6105A
are below. Lower accuracy equipment can be used but at the expense of 6105A accuracy.
The calibration uncertainties stated are at 95 % confidence probability. See Tables 7-2, 7-
3, and 7-4.
Table 7-2. Voltage Amplitude Calibration Uncertainty Required
ppm of Range
1 V to 1008 V, 16 Hz to 450 Hz <26
1 V to 1008 V, 450 Hz to 6 kHz <30
1 V to 1008 V, 6 kHz to 9kHz <1 %
Table 7-3. Current Amplitude Calibration Uncertainty Required
ppm of Range
0.25 A to 10 A, 16 Hz to 450 Hz <27
10 A to 50 A , 16 Hz to 450 Hz <42
0.25 A to 10 A, 450 Hz to 6 kHz <36
10 A to 50 A , 450 Hz to 6 kHz <58
0.25 A to 50 A, 6 kHz to 9 kHz <1 %
Table 7-4. Phase Calibration Uncertainty Required
Phase measurement uncertainty
Frequency Current to voltage Voltage to voltage
16 Hz to 69 Hz 0.0008 ° 0.002 °
69 Hz to 180 Hz 0.0013 ° 0.005 °
180 Hz to 450 Hz 0.0038 ° 0.014 °
450 Hz to 3 kHz 0.0375 ° 0.098 °
3 kHz to 6 kHz 0.0750 ° 0.195 °
7-12. Required Equipment
Two lists of equipment are provided for two different methods of calibrating the 6100B.
Fluke’s method is used within the Fluke Service Centers and has measurement
uncertainties which support the full specifications of the 6100B.
The alternative, non-Fluke Service Center method will not achieve full 6100B specified
accuracy, particularly for phase and power accuracy. You should perform your own
uncertainty analysis if using alternative methods. See Table 7-5.
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