Certificates of approval – 4 volume (dispensers)
Find certificates of approval for volume (dispensers).
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Certificates of approval – 3 trade measurement weights
Find certificates of approval for trade measurement weights.
Certificates of approval – 2 area
Find certificates of approval for area measuring instruments.
Certificates of approval – 1 length
Find certificates of approval for length measuring instruments.
Certificates of approval – 0 cancelled
Find cancelled certificates of approval.
Certificates of approval
Find a certificate of approval. We issue one for every measuring instrument that meets the pattern approval requirements.
Pattern approval guidelines and procedures
These guidelines and procedures can help you with your pattern approval application.
Pattern approval requirements
During the pattern approval process, we examine the design of an instrument. To comply, the instrument pattern must meet its related mandatory requirements.
Issuing certificates of approval
If your instrument complies with the pattern approval process, we issue a certificate of approval.
Pattern approval instrument testing and assessment
The National Measurement Institute (NMI) assesses your submitted pattern to ensure it meets relevant requirements.