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Sample Certificates

Standard certificate and A2LA ISO 17025 accredited certificates are similar to one another, on a high level they both provide full data, condition received/returned, accuracy, analysis, standards implored and NIST traceable numbers. The differences are: the accredited certificate will also include an A2LA logo on the top right of the certificate, a statement in regards to the K=2 factor and confidence interval and an additional data column of measured uncertainty.

On a detailed level both certificates include the following:

  • Barcode & Instrument I.D.
  • Full Data (Before / After) Calibration and/or Repair Condition Received / Condition Returned / Reason for Service Description of Item incl. Model & Serial No.
  • Measuring Range
  • Procedure Used
  • Calibrating Tech
  • Temperature & Humidity
  • Accuracy
  • Calibration Standards Employed
  • Numbers Traceable to N.I.S.T.
  • Dual Signatures (Tech and Approval Signature) Certificate Number Purchase Order Calibration Date / Next Cal Date Recall / Cycle Repair / Adjustment Note (when applicable)

An A2LA accredited certificate will also include the following:

  • A2LA Accreditation Logo
  • Confidence interval statement referring to K=2 and 95% confidence interval Uncertainty

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