Nearly all European countries have organised a national calibration system for accreditation of metrological laboratories for the issue of official certificates. These services are co-ordinated by the European cooperation for Accreditation (EA), whose operation:
In particular, the mutual recognition arrangements make the calibration certificates issued in other countries valid, thus permitting acceptance by users in that country.
Accredia has direct connection with the EA and with calibration services in other countries, with which it has sealed bilateral agreements of mutual recognition of certifications since 1981.
The calibration services that are signatories of the multilateral agreement are: Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
With extra-European countries the mutual recognition arrangement is in force. Current signatories are: Australia, Brazil, China, Israel, New Zealand, South Africa, Singapore and USA.
Accredia is a signatory of the ILAC-MRA (International Laboratory Accreditation Cooperation – Mutual Recognition Arrangement), thanks to which the calibration certificates with the Accredia mark are recognised and are valid worldwide,
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