Calibration laboratory assessment service


Learn about the Standards Council of Canada and the NRC's calibration laboratory assessment service (CLAS) evaluation and certification program.


Get CLAS certified

Certification requirements, application forms, fees, certification process

Directory of accredited certified laboratories

Searchable directory of all CLAS-certified calibration laboratories in Canada

Laboratory management tools

Uncertainty budget template, calibration control charts, reference documents

About the calibration laboratory assessment service

Information about CLAS, benefits of certification, feedback