The DAQmx Calibration Info properties return information about the calibration of a device.

Active Device
Specifies the device from which to retrieve calibration properties.
External Calibration:Last External Calibration Date/Time
Indicates the last date and time that the device underwent an external calibration.
External Calibration:Last External Calibration Temperature
Indicates in degrees Celsius the temperature of the device at the time of the last external calibration. Compare this temperature to the current onboard temperature to determine if you should perform another calibration.
External Calibration:Recommended Interval
Indicates in months the National Instruments recommended interval between each external calibration of the device.
More:Accessory Connection Count
Specifies the number of times a particular connection that results in tangible wear and tear of onboard components has been made on the accessory. This connection count is useful for tracking accessory life and usage.
More:Device Temperature
Indicates in degrees Celsius the current temperature of the device.
More:Recommended Accessory Connection Count Limit
Indicates the recommended connection count limit for an accessory. If the accessory connection count exceeds this limit, the accessory could require maintenance.
Self Calibration:Is Supported
Indicates whether the device supports self-calibration.
Self Calibration:Last Self Calibration Date/Time
Indicates the last date and time that the device underwent a self-calibration.
Self Calibration:Last Self Calibration Temperature
Indicates in degrees Celsius the temperature of the device at the time of the last self-calibration. Compare this temperature to the current onboard temperature to determine if you should perform another calibration.
User-Defined Information:Information
Specifies a string that contains arbitrary, user-defined information. This number of characters in this string can be no more than Cal.UserDefinedInfo.MaxSize .
User-Defined Information:Max Size
Indicates the maximum length in characters of Cal.UserDefinedInfo .

NI-DAQmx VI and Function Reference

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