NI VirtualBench Calibration Procedure | © National Instruments | 11
6. Call DMM Read. Compare to the limits listed in Table 5.
Note Use the values in the 24 Hour Limits column for a post-adjustment
verification only. Otherwise, use the values in the 1 Year Limits column.
7. Repeat steps 4 through 6 for each verification point listed in Table 5 for all ranges.
8. Reset the calibrator for safety reasons.
9. Disconnect all cables from the calibrator and VirtualBench.
You have completed verifying the AC voltage function of the VirtualBench.
Table 5. VirtualBench AC Voltage Verification Limits
Range
(V
rms
)
Verification
Point
Frequency
(kHz)
Verification
Point (V
rms
)
1 Year Limits (V
rms
) 24 Hour Limits (V
rms
)
Lower Upper Lower Upper
0.1 1 0.006 0.005943 0.006057 0.005988 0.006012
0.05 0.049890 0.050110 0.049984 0.050016
0.101 0.100829 0.101171 0.100979 0.101021
1 1 0.06 0.05943 0.06057 0.05988 0.06012
0.5 0.49890 0.50110 0.49984 0.50016
1.01 1.00829 1.01171 1.00979 1.01021
10 1 0.6 0.5943 0.6057 0.5988 0.6012
5 4.9890 5.0110 4.9984 5.0016
10.1 10.0829 10.1171 10.0979 10.1021
100 1 6 5.943 6.057 5.988 6.012
50 49.890 50.110 49.984 50.016
101 100.829 101.171 100.979 101.021
265 1 15.9 15.748 16.052 15.868 15.932
66.25 66.038 66.462 66.213 66.287
135.15 134.855 135.445 135.107 135.193
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