6 | ni.com | NI 5114 Calibration Procedure
Self-Calibration
The NI 5114 includes precise internal circuits and references used during self-calibration to
adjust for time and temperature drift. The device gain, offset, flatness, and trigger timing are all
corrected in self-calibration. Measuring the accuracy of these internal calibration circuits with
another instrument during external calibration provides traceability for the verification
procedure. Absolute accuracy is ensured by compensating for any error measured in the internal
references.
Note Self-calibrate the device before you perform Verification. NI-SCOPE
includes self-calibration example programs for LabVIEW, CVI, and Microsoft
Visual C.
You can initiate self-calibration using the following methods:
•MAX
• NI-SCOPE Soft Front Panel (SFP)
• NI-SCOPE
Note The device must be installed in MAX before it can be used in another
program.
MAX
To initiate self-calibration from MAX, complete the following steps:
1. Disconnect or disable any AC inputs to the device.
2. Launch MAX.
3. Select My System»Devices and Interfaces»NI-DAQmx Devices.
4. Select the device that you want to calibrate.
5. Initiate self-calibration using one of the following methods:
•Click Self-Calibrate in the upper right corner of MAX.
• Right-click the name of the device in the MAX configuration tree and select
Self-Calibrate from the drop-down menu.
NI-SCOPE Soft Front Panel
To initiate self-calibration from the NI-SCOPE Soft Front Panel (SFP), complete the following
steps:
1. Disconnect or disable any AC inputs to the device.
2. Launch the NI-SCOPE SFP, which is available at Start»All Programs»National
Instruments»NI-SCOPE»NI-SCOPE Soft Front Panel.
3. Select the device you want to calibrate from the Select Device dialog box. The Select
Device dialog box automatically opens when you launch the NI-SCOPE SFP.
Note To change the device, select Edit»Change Device, and select the new device
that you want to calibrate.
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