Calibration Records Audit

Inspection template for auditing calibration records, due dates, traceability, tolerances, and out-of-tolerance investigations.

Audit Scope and Record Identification

• Equipment list matches the audit scope
  Verify the calibration record set includes all in-scope measuring and test equipment, with no missing assets or duplicate entries.
• Asset ID, serial number, and location are recorded
  Check that each record identifies the instrument by asset ID, serial number, and current location or department.
• Calibration record date range reviewed
  Enter the audit period covered by the record review.
• Record owner or responsible department identified
  Confirm the record identifies the owner, department, or accountable function responsible for the equipment.

Traceability and Standards

• Calibration is traceable to a recognized standard
  Confirm the record shows traceability to a national or international standard, reference standard, or accredited laboratory as applicable.
• Calibration certificate or reference document is attached
  Verify the supporting certificate, report, or reference document is available and matches the equipment record.
• Calibration standard identification is recorded
  Check that the standard used for calibration is identified by name, ID, and status.
• Standard due date or validity status is current
  Verify the reference standard used for calibration was in-date at the time of use.

Tolerance and Results Review

• Acceptance tolerance is documented for each calibrated parameter
  Confirm the record lists the applicable tolerance or acceptance criteria for each measurement point or parameter.
• As-found and as-left results are recorded
  Verify the record includes as-found and, when applicable, as-left readings for each calibration point.
• Measured results are within tolerance
  Confirm all recorded results fall within the stated acceptance limits.
• Measurement uncertainty is documented where required
  Check whether uncertainty is stated when required by the procedure, customer requirement, or accreditation rule.

Due Date and Status Control

• Calibration due date is clearly stated
  Verify each record shows the next calibration due date or recalibration interval.
• No overdue equipment is in active use
  Confirm there is no evidence that overdue or suspended equipment remains available for production, testing, or release decisions.
• Equipment status labeling matches the record
  Check that calibration status labels or system status fields match the current record status (in-date, due, overdue, restricted, or retired).
• Calibration interval is justified or approved
  Verify the interval is based on risk, history, manufacturer guidance, or documented approval where applicable.

Out-of-Tolerance Investigation

• Out-of-tolerance condition is documented when applicable
  Confirm any failed as-found condition or out-of-tolerance event is clearly identified in the record.
• Impact assessment on product, process, or test results is documented
  Verify the investigation addresses the potential impact of the out-of-tolerance condition on affected product, batches, test results, or decisions.
• Containment and corrective actions are recorded
  Check that containment actions, equipment removal from service, re-calibration, and corrective actions are documented and assigned.
• Investigation is closed with evidence of effectiveness
  Confirm the investigation includes closure evidence, approval, and follow-up showing the issue was resolved and recurrence risk addressed.