Out-of-Tolerance Decision Flowchart
A step-by-step procedure for handling out-of-tolerance calibration results, based on ISO 9001:2015 Clause 7.1.5.2 requirements. Covers the full workflow from quarantine through impact assessment, corrective action, root cause analysis, and record closure. Print it and pin it next to your calibration bench.
What's included
- ✓6-step procedure from discovery to closure
- ✓Decision points with YES/NO branching (impact assessment, recalibrate vs retire)
- ✓Quarantine protocol — what to do immediately when OOT is found
- ✓Impact assessment checklist — which products/tests were affected
- ✓Non-conformance report guidance when products are affected
- ✓Root cause analysis prompts — prevent recurrence
- ✓OOT record checklist — 12 items that must be documented
- ✓ISO 9001:2015 Clause 7.1.5.2 and ISO/IEC 17025:2017 Clause 7.7.1 references
- ✓Professional layout designed for printing and pinning in the calibration area
Who this is for
For any UK manufacturer or laboratory that calibrates measuring equipment. Essential reference for quality managers, calibration technicians, and lab staff who need a documented OOT procedure for ISO 9001 or ISO/IEC 17025 compliance. Auditors expect to see a documented procedure — this provides one.
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Related guides
Automate your OOT workflow
This flowchart documents the procedure. CalProof automates the OOT workflow — automatic flagging when instruments are out of tolerance, impact assessment prompts, corrective action tracking, and audit trail generation.