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Interweigh Systems is a Measurement Canada Accredited company authorized to perform an initial inspection of new devices as well as the subsequent inspection of devices already in operation.

Click on the following links to download a copy of our: Certificate of Accreditation and Scope.

Anyone using a measurement device to buy or sell goods or services based on measurement must have that device inspected by a Measurement Canada accredited service provider (ASP) or face possible penalties.  Additionally, these devices are to be calibrated and inspected at regular intervals. Use the following links to determine when your device inspection is due: Mandatory inspection and Recommended certification frequencies by sector and device type.

Device owners are required to notify Measurement Canada of the change in location and/or ownership of a device used to sell measured goods.

Additional Services

Scale Calibration
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Mass Calibration
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Scale Repair
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Truck Scale Repair & Calibration
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Interweigh Systems Inc. is committed to the continual improvement and integration of quality excellence, into our everyday business practices, which translates into consistent products for our customers.

Our Head office, located in Markham Ontario, is home to our mass calibration lab and manufacturing facility which is accredited to ISO 9001:2015 for it's management system and ISO 17025:2017 for the calibration of mass, scales and balances. Additionally, the Mississauga location is accredited to ISO 17025:2017 for the calibration of scales and balances. All locations offer device inspections pursuant to Measurement Canada and the Weights and Measures Act.


Interested in The Prerequisites for The Above?

Check out our Document Center.
*The SCC has elected not to display the “expiry date” on "Frameable" certificates. Instead they have added a clause stating that: “The Validity of this certificate, including the date of last re-accreditation and its expiry can be confirmed by the accompanying Scope of Accreditation document in the Directory of Accredited Laboratories on the SCC website at”For your convenience, Interweigh Systems has provided a link to both the “Frameable Certificate" and the "Scope of Accreditation"