Femto Scientific delivers ISO/IEC 17025 accredited pipette calibration built for FDA 21 CFR Part 211 and cGMP compliance — with as-found data, documented measurement uncertainty, and unbroken NIST traceability on every certificate, so your pipettes pass inspection and your data holds up under audit.
- FDA 21 CFR Part 211.68 aligned documentation
- As-found & as-left data for change control
- Documented measurement uncertainty (U, k=2)
- Unbroken NIST-traceable calibration chain
- Audit- and inspection-ready certificates
- Onsite service with zero shipping downtime
- Electronic certificates for QMS / LIMS
- Managed recertification scheduling
Accredited pipette calibration your quality unit can defend in front of an FDA investigator.
Why GMP Laboratories Require ISO 17025 Accredited Pipette Calibration
In a cGMP environment, a pipette is a measuring device whose performance directly affects product quality and data integrity. FDA 21 CFR Part 211.68 requires that such instruments be calibrated, inspected, and maintained on a documented schedule — and an ISO/IEC 17025 accredited certificate is the strongest evidence that the calibration is technically valid and traceable.
FDA 21 CFR Part 211.68
Automatic, mechanical, and electronic equipment used in manufacturing, processing, and testing must be routinely calibrated and maintained with written records. Our certificates document the calibration date, interval, results, and NIST-traceable reference standards required to satisfy Part 211.68 and GLP Part 58.
Data Integrity & ALCOA+
Out-of-tolerance pipettes silently bias every dispensing they touch. Accredited calibration with documented uncertainty gives you attributable, legible, contemporaneous, original, and accurate records — the ALCOA+ evidence auditors expect for every quantitative measurement in the batch record.
Audit & Inspection Readiness
Expired or missing pipette calibration records are a common Form 483 observation. A managed calibration program with electronic certificates, barcode asset tracking, and automatic scheduling keeps every instrument inside its interval and every record one click from retrieval during an inspection.
As-Found Data Is Non-Negotiable in GMP
When a pipette is found out of tolerance, GMP change control requires an impact assessment to determine whether any results produced since the last calibration are affected. That is only possible when the certificate records as-found performance before any adjustment — not just the corrected as-left result.
- As-found and as-left inaccuracy (E) and imprecision (CV)
- ISO 8655 tolerance limits with clear pass/fail
- Expanded measurement uncertainty (U, k=2)
- NIST traceability statement per certificate
- Environmental conditions at time of calibration
- Non-conformance handling for failed instruments
Our Level 3 and Level 4 services include as-found and as-left data; Level 4 provides the full ISO/IEC 17025 accredited certificate required for FDA submissions and instrument qualification. Compare all levels on the pipette calibration service page.
Pharmaceutical & GMP Pipette Calibration FAQs
FDA 21 CFR Part 211.68 requires that laboratory instruments used in testing be calibrated, inspected, and maintained on a documented schedule. For pipettes used in pharmaceutical manufacturing and QC testing, this means: current calibration certificates with NIST traceability; calibration intervals established and justified in writing; as-found data at each recertification; procedures for handling out-of-tolerance findings (including impact assessment); and records available for FDA inspection. Part 58 (GLP) has equivalent requirements for non-clinical study instruments. Femto Scientific’s ISO 17025 accredited certificates deliver all required GMP documentation in electronic format.
As-found data documents the pipette’s measured performance before any cleaning, maintenance, or adjustment during the calibration visit — the actual condition in which it was being used in your laboratory since the last calibration. As-left data documents performance after all maintenance and adjustment have been completed. If a pipette is found out-of-tolerance on the as-found data, GMP programs require an impact assessment to determine whether any tests performed with that pipette since the last calibration are affected. Femto Scientific’s Level 3 and Level 4 services include both as-found and as-left data.
Measurement uncertainty in pipette calibration combines contributions from: the analytical balance uncertainty (from its calibration certificate); water temperature measurement uncertainty (affecting the Z-factor); evaporation during the measurement sequence; balance repeatability under the calibration conditions; and other sources. These contributions are combined in quadrature (for uncorrelated components) to produce the combined standard uncertainty, which is multiplied by a coverage factor k=2 to produce the expanded uncertainty U at approximately 95% confidence. ISO/IEC 17025 accredited certificates report this expanded uncertainty to demonstrate that the calibration can distinguish between in-tolerance and out-of-tolerance performance.
All four levels include a 15-point inspection, internal/external cleaning, leakage testing, full-range ISO 8655 gravimetric calibration, preventative maintenance, and a calibration sticker with barcode. Level 2 adds a calibration certificate with as-left volumetric accuracy data. Level 3 adds as-found data (performance before adjustment) required by GMP change control, CAP, and CLIA programs. Level 4 provides a full ISO/IEC 17025 accredited certificate with as-found and as-left data, documented measurement uncertainty, and NIST traceability statement — required for FDA submissions, CAP surveys, CLIA compliance, and instrument qualification.
If a pipette fails calibration (is found out-of-tolerance on the as-found data), Femto Scientific attempts to return it to tolerance through calibration adjustment and preventative maintenance. If the pipette can be brought within tolerance, the as-left data on the certificate will show a passing result. If the pipette cannot be restored to tolerance (due to irreparable mechanical damage, worn piston, or other non-repairable cause), it is documented as failed on the as-left data and returned with a non-conforming label and recommendation for repair or replacement. GMP programs require an impact assessment when a pipette is found out-of-tolerance to evaluate the potential effect on tests performed since the previous calibration.
Put Your Pipettes on a Defensible GMP Calibration Program
Tell us your instrument count, brands, and required service level — we’ll return a quote with turnaround options and a recommended calibration interval for your compliance program.