Weights and Measures Regulations

67 (1) Every device for use in trade set out in Column I of an item of the table to this subsection shall be of such stability that under all temperatures and other conditions that may normally be encountered in use, and without adjustments other than those specifically provided for use of the device, the device is capable of measuring accurately within applicable in-service limits of error throughout the applicable period set out in Column II of that item.

	Column I	Column II
Item	Device	Period
1	Measuring tank having a capacity greater than 450 L or 100 gallons	5 years
2	Slow-flow meter having a flow rate of 115 L or less per hour or 25 gallons or less per hour	5 years
3	Any device not described in item 1 or 2	2 years

(2) Where a device is tested for performance and a specific value for the known test quantity is not set out in the applicable table to this Part or in specifications established pursuant to subsection 13(1), the acceptance limits of error and in-service limits of error shall be determined by linear interpolation between the lower and higher limits of error nearest to the known test quantity.