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Accreditation through A2LA independently certifies our quality system and measurement capabilities. The accreditation applies to specific temperature ranges and types of instruments and gives specific uncertainty (or accuracy) limits.
This internationally accepted accreditation assures the customer that calibrations performed within the lab’s “scope” are authoritative declarations of an instrument’s accuracy as traceable to national and international standards. ISO/IEC 17025 is the recognized international standard for technical competence of calibration and testing labs.
To become accredited, ThermoWorks (or any other organization) must meet performance and record-keeping standards while demonstrating ongoing competency in the science of measurement. Once we passed the initial accreditation assessment, we must continue to be assessed every 2 years or so to ensure continued compliance. The ThermoWorks lab employs temperature baths with stabilities to ±0.001°C for accurate probe and thermometer comparisons. Our reference thermometer features a published accuracy to ±0.000015°C. When all uncertainties in our temperature calibrations are combined, ThermoWorks’ accredited scope assures calibration uncertainties to ±0.005°C. Humidity calibrations are also available with uncertainties to ±0.55%RH.
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