National Instruments 446 Series User Manual

© National Instruments Corporation 11 NI 446X Calibration Procedure
Self-Calibration
Call self-calibration before completing the first verification. This function
measures the onboard reference voltage of the device and adjusts the
self-calibration constants to account for any errors caused by short-term
fluctuations in the operating environment. When you self-calibrate a
device, no external signal connections are necessary.
NI 446X Verification Procedure
Verification determines how well the NI 446X device is meeting
specifications. By completing this procedure, you can see how the device
has drifted over time, which helps you determine the appropriate
calibration interval for your application.
Verifying Analog Input Performance
This section verifies the analog input (AI) performance of all NI 446X
devices. Refer to the NI 446X Specifications for the number of channels,
gain settings, and performance specifications.
NI-DAQmx Function Call LabVIEW Block Diagram
Call DAQmxSelfCal with the following
parameters:
deviceName:
dev1

National Instruments 446 Series Specifications

General

Brand	National Instruments
Model	446 Series
Category	Measuring Instruments
Language	English