Building a calibration management system for measuring equipment

Core records

• Inventory: ID, description, location, owner, criticality, required accuracy.
• Calibration record per item: date, laboratory, certificate number, as-found, as-left, uncertainty, conformity, next due.
• Interval and its rationale; interval history if adjusted.
• Status: in calibration, due, overdue, quarantined, retired.
• Links: certificate files, deviation records, maintenance.

Processes

• Scheduling and recall before due dates.
• Receipt review of certificates against the order (points, uncertainty, rule).
• Out-of-tolerance impact assessment and nonconforming-work handling.
• Periodic interval review based on drift history.
• Annual management review of the system's performance.

This is the workflow ValiTrac's calibration solution is designed to support once released: certificates parsed into structured data, statuses derived, and impact assessments generated from the history rather than from memory.