NI 5421, Calibration Procedure

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NI 5421/5441 Calibration Procedure | © National Instruments | 17
Table 5.
Values for Verifying the Offset of the Main Analog Path
Iteration Gain
Ideal
Positive
Offset
(Volts)
Ideal
Negative
Offset
(Volts)
As-Found
Limits (Volts)
As-Left
Limits (Volts)
1 12.000000 6.000000 - 6.000000 ±0.051500 ±0.021500
2 10.000000 5.000000 -5.000000 ±0.043000 ±0.018000
3 7.000000 3.500000 -3.500000 ±0.030250 ±0.012750
4 5.000000 2.500000 -2.500000 ±0.021750 ±0.009250
5 3.500000 1.750000 -1.750000 ±0.015375 ±0.006625
6 2.500000 1.250000 -1.250000 ±0.011125 ±0.004875
7 2.000000 1.000000 -1.000000 ±0.009000 ±0.004000
8 1.650000 0.825000 - 0.825000 ±0.007513 ±0.003388
9 1.250000 0.625000 - 0.625000 ±0.005813 ±0.002688
10 0.850000 0.425000 - 0.425000 ±0.004113 ±0.001988
11 0.600000 0.300000 - 0.300000 ±0.003050 ±0.001550
12 0.415000 0.207500 - 0.207500 ±0.002264 ±0.001226
13 0.300000 0.150000 - 0.150000 ±0.001775 ±0.001025
14 0.205000 0.102500 - 0.102500 ±0.001371 ±0.000859
15 0.150000 0.075000 - 0.075000 ±0.001138 ±0.000763
16 0.105000 0.052500 - 0.052500 ±0.000946 ±0.000684
17 0.075000 0.037500 - 0.037500 ±0.000819 ±0.000631
18 0.055000 0.027500 - 0.027500 ±0.000734 ±0.000596
19 0.037500 0.018750 - 0.018750 ±0.000659 ±0.000566
20 0.026000 0.013000 - 0.013000 ±0.000611 ±0.000546
21 0.018500 0.009250 - 0.009250 ±0.000579 ±0.000532
22 0.013000 0.006500 - 0.006500 ±0.000555 ±0.000523
23 0.009000 0.004500 - 0.004500 ±0.000538 ±0.000516
24 0.006500 0.003250 - 0.003250 ±0.000528 ±0.000511
Note : Error Positive Offset Value = ( Measured Positive Offset Value ) - ( Ideal Positive Offset Value )

Error Negative Offset Value = ( Measured Negative Offset Value ) - ( Ideal Negative Offset Value )