About Accredited Calibration at Brüel & Kjær

Why should I choose accredited calibration?

No questions asked

An accredited certificate will be accepted without discussion from your customers or auditing authorities.

• You have proof that calibration has been carried out in accordance with the quality standard for laboratories - ISO 17025
• The certificate can be used as legally accepted documentation

International and traceable

• In audit of quality process, the accredited certificate provides proof that Brüel & Kjær’s laboratory instruments, used to calibrate your instruments, are traceable to, for example,  NIST, NPL and PTB
• The certificate is accepted across borders, based on Mutual Recognition Agreements

To ensure absolutely correct laboratory reference instruments, Brüel & Kjær regularily sends instruments for comparison with references at national institutes.

Accredited certificate from Brüel & Kjær

• Proves that the calibration is performed according to ISO 17025
• Includes measurement results and associated uncertainties. You can follow the history of sensitivity for your instruments with certificates over a period of time
• Is printed with the logo of your chosen accreditation body (for example, DANAK or UKAS ¹)
• Is internationally recognised

ISO 17025

The quality standard for laboratories, ISO 17025, defines requirements regarding:

• The methodology
• Procedures
• Traceability
• Technical competency
• Record keeping
• Physical premises

The Calibration Process at Brüel & Kjær

This comprises:

• Frequency Response including filters
• Amplitude Linearity
• Time Response
• Distortion
• Noise
• Phase Match