2 Calibration Procedures
34 Keysight DAQ970A/DAQ973A Service Guide
Keysight Technologies Calibration Service
When your instrument is due for calibration, contact your local Keysight Service
Center for a low-cost recalibration. The DAQ970A/DAQ973A is supported on
automated calibration systems which allow Keysight to provide this service at
competitive prices.
Calibration Interval
The instrument should be calibrated on a regular interval determined by the
measurement accuracy requirements of your application. A 1-year interval is
adequate for most applications. Accuracy specifications are warranted only if
adjustment is made at regular calibration intervals. Accuracy specifications are
not warranted beyond the 1-year calibration interval. Keysight does not
recommend extending calibration intervals beyond 2 years for any application.
Adjustment is recommended
Whatever calibration interval you select, Keysight recommends that complete
re-adjustment should always be performed at the calibration interval. This will
assure that the DAQ970A/DAQ973A will remain within specification for the next
calibration interval. This criteria for re-adjustment provides the best long-term
stability. Performance data measured using this method can be used to extend
future calibration intervals.
Use the Calibration Count feature (see page 44) to verify that all adjustments have
been performed.
Time Required for Calibration
The DAQ970A/DAQ973A can be automatically calibrated under computer control.
With computer control you can perform the complete calibration procedure in less
than 45 minutes and performance verification tests in less than 30 minutes once
the instrument is warmed-up (see “Calibration Security” on page 39).
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