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The KCDB - the BIPM key comparison database – supports the CIPM MRA. The KCDB contains information on the internationally recognized Calibration and Measurement Capabilities (CMCs) for services available from the participating institutes, and the key and supplementary comparisons supporting these CMCs.
All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement
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CIPM MRA PARTICIPANTS
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Identifier Area Sub-field Description Parameters Time of measurements Pilot institute Status

KCDB

  • What is the KCDB
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CIPM MRA

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  • JCRB
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  • Guidance on Comparisons
  • Guidance on CMCs

CLASSIFICATION OF SERVICES

  • Acoustics, Ultrasound and Vibration
  • Chemistry and Biology
  • Electricity and Magnetism
  • Ionizing Radiation
  • Length

  • Mass and related quantities
  • Photometry and Radiometry
  • Thermometry
  • Time and Frequency

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