Recommended certification frequencies for devices

Regular inspections of devices improve measurement accuracy and help ensure compliance with the Weights and Measures Act and Regulations.

Mandatory inspection frequencies only apply to some sectors. The following inspection frequencies are recommended for all other sectors in which weighing and measuring devices are used in trade measurement.

Recommended inspection frequencies for devices
Trade sector Device type Recommended inspection frequency
Livestock and poultry All weighing and measuring devices used for trade, with the exception of devices used exclusively for formulating, testing and batching, and for packaging standard-sized packages or containers, which are excluded. 1 year
Food and beverages All weighing and measuring devices used for trade, with the exception of devices used exclusively for formulating, testing and batching, and for packaging standard-sized packages or containers, which are excluded. 2 years
Chemical products All weighing devices used for trade, and all meters used to measure alcohols, fertilizers and solvents. Devices used for cryogenic products and de-icing fluids and devices used exclusively for formulating, testing and batching, and for packaging standard-sized packages or containers are not included. 1 year
Textiles All weighing and measuring devices used for trade, with the exception of devices used exclusively for formulating, testing and batching, and for packaging standard-sized packages or containers, which are excluded. 1 year
Fruits and vegetables All weighing and measuring devices used for trade, with the exception of devices used exclusively for formulating, testing and batching, and for packaging standard-sized packages or containers, which are excluded. 2 years
Metal scrap Railway scales and all other weighing and measuring devices, with the exception of static linear devices, which are excluded. 2 years
Transportation Railway scales. 2 years
Other devices used in trade. 1 year
Waste collection and disposal Railway scales 2 years
All other weighing and measuring devices, with the exception of static linear devices, which are excluded. 1 year
Date modified: