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Find a notice of approval

Search the notice of approval database to find new notices of approval, revisions to existing approvals, modification acceptance letters and class approval authorization letters. Only approved devices can be used in measurement-based trade in Canada. Notices of approval are issued for devices in the electricity, natural gas, mass and volume disciplines.


The application is intended for:

  • businesses looking to buy a new measuring device that is approved for use in trade
  • device manufacturers performing market research
  • authorized service providers checking which devices are approved for use in trade
  • Measurement Canada inspectors checking which devices are approved for use in trade

Before you start

You will need to provide one of the following in order to search for a notice of approval:

  • device type
  • measured product type
  • manufacturer
  • model
  • approval number
  • approval type
  • applicant (company) name
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