Temperature conditions specific to adjustment procedures:
•
Maintain an ambient temperature of 23 °C ±1 °C. The NI 4141 internal temperature is
greater than the ambient temperature.
Calibration Overview
Calibration includes the steps shown in the following figure.
Figure 1. Calibration Overview
Document
Post-Adjustment
Results
Document
Pre-Adjustment
Results
Calibration/
Verification
Complete
Yes
No
Meets
Calibration Test
Limits?
Review Verification/
Adjustment Procedure
or Return Device
Verify
Adjust (Calibration Constants,
Dates, and Temperatures
Updated)
Verify
1.
Initial Setup—Install the NI 4141 and configure it in Measurement & Automation
Explorer (MAX) .
2.
Verification—Verify the existing operation of the NI 4141.
This step confirms whether the device is operating within the published specifications
prior to adjustment.
3.
Adjustment—Adjust the calibration constants of the NI 4141.
4.
Reverification—Repeat the Verification procedure to ensure that the device is operating
within the published specifications after adjustment.
Self-Calibrating
Complete the following steps to self-calibrate the device.
1.
Disconnect or disable all connections to the device.
2.
Ensure the device had 30 minutes to warm up with the PXI chassis fans set to HIGH.
3.
Initialize an NI-DCPower session.
4.
Call the self-calibration function.
NI PXIe-4141 Calibration Procedure
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© National Instruments Corporation
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