Guardbanding Explained
Technical Overviews
What’s a guardband?
Guardband is the offset from the specification that determines the acceptance limit for Pass or Fail decisions, and for performing adjustments. The “Keysight Calibration + Uncertainties + Guardbanding” service employs a guardband in the amount of the 95% expanded measurement uncertainty.
Where can guardband measurement data be found for my instrument?
The calibrations that include guardbanding are “Keysight Calibration + Uncertainties + Guardbanding” or “Accredited Calibration” or “Standards Lab Calibration.” When Keysight Technologies, Inc. performs a calibration that includes guardbanding for your instrument, that information is included in the measurement report. You can get 24x7 access to your calibration certificates and measurement reports from both the original factory and our global network of service centers.