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i.
Repeat steps e to h for each calibration voltage in the array.
j.
Close the calibration session.
3.
Disconnect the DMM from the NI 9262.
4.
Repeat step 1 for each channel on the NI 9262.
EEPROM Update
When an adjustment procedure is completed, the NI 9262 internal calibration memory
(EEPROM) is immediately updated.
If you do not want to perform an adjustment, you can update the calibration date and onboard
calibration temperature without making any adjustments by initializing an external calibration,
setting the C Series calibration temperature, and closing the external calibration.
Reverification
Repeat the
Verification
If any test fails Reverification after performing an adjustment, verify that you
Note
have met the
for assistance in returning the device to NI.
Accuracy Under Calibration Conditions
The values in the following table are based on calibrated scaling coefficients, which are stored
in the onboard EEPROM.
The following accuracy table is valid for calibration under the following conditions:
•
Ambient temperature 23 °C ± 5 °C
•
NI 9262 installed in slot 8 of an NI cDAQ-9178 chassis
•
Slots 1 through 7 of the NI cDAQ-9178 chassis are empty
As Found
As Left
*
Range equals 10.742 V
6 | ni.com | NI 9262 Calibration Procedure
section to determine the As-Left status of the device.
Test Conditions
before returning your device to NI. Refer to
Table 6. NI 9262 Accuracy
Percent of Reading
(Gain Error)
0.0087%
0.2%
NI Services
Percent of Range*
(Offset Error)
0.08
0.005%
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