NI USB-443x Calibration Procedure 2 ni.com
Software Requirements
Calibrating the NI USB-443x device requires installing NI-DAQmx 9.3 or later on the calibration
system. You can download the NI-DAQmx driver from ni.com/downloads. NI-DAQmx supports
conducting a calibration in several programming language application development environments
(ADEs). When you install NI-DAQmx, you only need to install support for the ADE that you intend
to use.
Documentation Requirements
For information about NI-DAQmx and the NI USB-443x, you can consult the following documents:
• DAQ Getting Started guides—provides instructions for installing and configuring NI USB-443x
devices.
• NI-DAQmx C Reference Help—contains the C reference and general information about
measurement concepts.
• NI USB-443x Specifications—provides the published specification values for the NI USB-443x.
Refer to the most recent NI USB-443x Specifications online at
ni.com/manuals.
• NI-DAQmx Help—includes information about creating applications that use NI-DAQmx.
These documents are installed with NI-DAQmx. You can also download the latest versions from the
NI Web site at
ni.com/manuals.
Calibration Interval
National Instruments recommends a calibration interval of one year for the NI USB-443x. Adjust the
recommended calibration interval based on the measurement accuracy demands of your application.
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