NI PXIe-4339 Calibration Procedure
|
© National Instruments
|
15
0.02
-0.02
5
0.09
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 - 0.001) -
17.8 µV/V
(
Test Point
) *
(1 + 0.001) +
17.8 µV/V
0
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
-17.8 µV/V
17.8 µV/V
-0.09
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 + 0.001) -
17.8 µV/V
(
Test Point
) *
(1 - 0.001) +
17.8 µV/V
0.02
-0.02
7.5
0.135
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 - 0.001) -
11.9 µV/V
(
Test Point
) *
(1 + 0.001) +
11.9 µV/V
0
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
-11.9 µV/V
11.9 µV/V
-0.135
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 + 0.001) -
11.9 µV/V
(
Test Point
) *
(1 - 0.001) +
11.9 µV/V
0.02
-0.02
10
0.18
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 - 0.001) -
8.9 µV/V
(
Test Point
) *
(1 + 0.001) +
8.9 µV/V
0
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
-8.9 µV/V
8.9 µV/V
-0.18
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 + 0.001) -
8.9 µV/V
(
Test Point
) *
(1 - 0.001) +
8.9 µV/V
Table 10.
Ratio Mode Accuracy Limits (±0.05 V/V Range)
Range (V/V)
Excitation
Setting
(V)
Calibrator
Output
(V)
Measured
Excitation
(V)
Test Point
(V/V)
Lower Limit
(V/V)
Upper Limit
(V/V)
High
Low
0.05
-0.05
2.75
0.12375
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 - 0.001) -
48.4 µV/V
(
Test Point
) *
(1 + 0.001) +
48.4 µV/V
0
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
-48.4 µV/V
48.4 µV/V
-0.12375
Vm_ex_ch#
(calibrator
output)/
Vm_ex_ch#
(
Test Point
) *
(1 + 0.001) -
48.4 µV/V
(
Test Point
) *
(1 - 0.001) +
48.4 µV/V
Table 9.
Ratio Mode Accuracy Limits (±0.02 V/V Range) (Continued)
Range (V/V)
Excitation
Setting
(V)
Calibrator
Output
(V)
Measured
Excitation
(V)
Test Point
(V/V)
Lower Limit
(V/V)
Upper Limit
(V/V)
High
Low