National Instruments NI PXIe-4080, Процедура калибровки, Страница: 12 / 28

2. Wait two minutes for thermal EMF to stabilize.
3. Reset the PXIe-4080/4082.
4. Verify the accuracy for each configuration in the following table:
a)
Acquire the measurement at each specified configuration.
b) Compare to the specified tolerances.
DMM Settings Tolerances (ppm of range)
As-Found As-Left Range OCO
100 MΩ Off 10 10
10 MΩ Off 10 2
1 MΩ Off 10 2
100 kΩ Off 10 6
10 kΩ On 23 22
1 kΩ On 203 202
100 Ω On 2015 2010
5. Remove the shorting bar from the PXIe-4080/4082.
6. Set the calibrator to
Standby
.
7. Connect the PXIe-4080/4082 to the calibrator using low thermal EMF cables, as shown in
Figure 1. on page 6.
8. Wait two minutes for thermal EMF to stabilize.
9. Verify the accuracy for each configuration in the following table:
a)
Acquire the measurement at each specified configuration.
b) Compare to the specified tolerances.
DMM Settings Calibrator Settings Tolerances
As-Found As-Left
Range OCO Resistance Ext
Sense
Comp ppm of
Reading
ppm of
Range
ppm of
Reading
ppm of
Range
1 MΩ Off 0 Ω Off None - - - -
100 kΩ Off 0 Ω Off None - - - -
100 MΩ Off 100 MΩ Off None 3000 10 500 10
10 MΩ Off 10 MΩ Off None 800 10 100 2
12 | ni.com | PXIe-4080/4082 Calibration Procedure