Uncertainty‑First Calibration — ISO/IEC 17025 Made Effortless
Your team calibrates with confidence when uncertainty is automatic, transparent, and audit‑ready. Our platform turns every test point into a complete, GUM‑style uncertainty budget — so accredited reports are easy to generate and auditors love what they see.
Why uncertainty matters (and why auditors care)
- Defensible results: ISO/IEC 17025 expects reported results to include or reference measurement uncertainty where relevant.
- GUM‑aligned: identify contributors, apply distribution‑aware divisors, combine by RSS, and expand with coverage factor k.
- CMC consistency: stay aligned with your accreditation scope so reported uncertainties are credible.
- HB44 awareness: legal metrology guidance for tolerances and MPEs informs TUR practices when relevant.
What makes our uncertainty experience different
- Per‑test‑point budgets, automatically — contributors, divisors, quotients, sum of squares, combined standard uncertainty, and expanded uncertainty (with k).
- Built‑in GUM structure — Type A/B contributors, distribution‑aware divisors (normal, rectangular, triangular), and RSS combination.
- Equipment‑centric setup in minutes — configure resolution, units, distributions, contributor types, and reference standards once; apply during calibration.
- CMC‑aware output — align reported uncertainties with scope; optional guardrails prevent reporting below CMC.
How it works
- Define equipment and contributors — record resolution, unit of measure, and contributor templates (Type A/B, distribution, divisor). Map reference standards and environmental inputs.
- Calibrate as usual — enter readings or import; the system associates relevant contributors and normalizes units.
- Auto‑build each budget — quantify contributors, standardize, combine by RSS; expand with coverage factor k (e.g., k≈2 for ~95% confidence).
- Report instantly — export per‑point uncertainty budget pages with contributor tables, totals, and clear notation of units, k, and method; attach to ISO/IEC 17025 reports.
Under the hood: contributors we handle out of the box
- Type A: repeatability, within‑series variation
- Type B: resolution/indication, reference standard uncertainty (CMC), environmental effects, method bias
- Distribution‑based divisors: normal, rectangular, triangular, etc.
- Combination: RSS → combined standard uncertainty → expanded uncertainty (k × uc)
- Units and conversions across disciplines: load, force, hardness, pressure, etc.
Designed for ISO/IEC 17025
- Transparent contributor tables per point (Type A/B, distribution, divisor)
- Clear combined standard and expanded uncertainty with coverage factor k
- Traceability to standards and conditions
- Consistent units and rounding rules
- Report artifacts that auditors can follow in seconds
FAQs
Do you support Type A and Type B contributors?
Yes. Contributors can be defined with distributions and divisors, then combined via RSS in line with GUM.
Can we set our own coverage factor k?
Yes. Standardize on k≈2 or set k based on dof/Veffective as your policy requires.
How do you handle CMC?
Define CMC ranges per calibration type/discipline. Align reported uncertainty to scope; optionally warn if a computed value conflicts with CMC.
Where does HB44 fit in?
HB44 guides tolerances/MPE in legal metrology contexts. Choose HB44‑aligned tolerance modes and evaluate TUR accordingly; uncertainty budgets remain GUM‑based.
What disciplines do you cover?
The framework is discipline‑agnostic (force, mass/weight, hardness, pressure, etc.) and extensible via contributor templates.
Ready to make uncertainty your advantage?
See how automatic per‑point budgets, CMC alignment, and HB44‑aware tolerances make ISO/IEC 17025 reporting straightforward.