NI VirtualBench Calibration Procedure
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© National Instruments
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17
14. Call
DMM Read
. Compare to the limits listed in Table 9.
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.
15. Repeat steps 12 through 14 for each verification point listed in Table 9.
16. Reset the calibrator for safety reasons.
17. Disconnect all cables from the calibrator and VirtualBench.
You have completed verifying the DC current function of the VirtualBench.
Table 9.
VirtualBench DC Current Verification Limits
≥
1 A
Range
(A)
Verification
Point (A)
1 Year Limits (A)
24 Hour Limits (A)
Lower
Upper
Lower
Upper
1
1.01
1.00844
1.01156
1.00968
1.01032
0
-0.00025
0.00025
-0.00025
0.00025
-1.01
-1.01156
-1.00844
-1.01032
-1.00968
10
2.2
2.1967
2.2033
2.1995
2.2005
0
-0.0004
0.0004
-0.0004
0.0004
-2.2
-2.2033
-2.1967
-2.2005
-2.1995
