Weights and Measures Regulations (C.R.C., c. 1605)

• 86 (1) Subject to subsections (2) and (3), the limits of error set out in the following table apply to all weights that are in multiples or submultiples of the avoirdupois pound and ounce:

  	Column I		Acceptance Limits of Error	In-Service Limits of Error
  			Column II	Column III	Column IV
  Item	Marked Weight		Over Marked Weight	Over Marked Weight	Under Marked Weight
  	Pounds	Ounces	Grains	Grains	Grains
  1		1/64	0.06	0.06	0.03
  2		1/32	0.08	0.08	0.04
  3		1/16	0.12	0.12	0.06
  4		1/8	0.18	0.18	0.09
  5	0.01		0.20	0.20	0.10
  6		¼	0.24	0.24	0.12
  7	0.02		0.3	0.3	0.15
  8		½	0.4	0.4	0.20
  9	0.05		0.5	0.5	0.25
  10		1	0.5	0.5	0.25
  11	0.1		0.7	0.7	0.35
  12		2	0.8	0.8	0.40
  13	0.2		1.1	1.1	0.55
  14		4	1.2	1.2	0.6
  15	0.5		1.8	1.8	0.9
  16	1		2.8	2.8	1.4
  17	2		4.6	4.6	2.3
  18	3		6	6	3
  19	5		8	8	4
  20	10		15	15	7.5
  21	20		25	25	12.5
  22	30		35	35	17.5
  23	50		55	55	27.5
  24	100		105	105	52.5
  25	Over 100		0.015% of marked weight	0.015% of marked weight	0.0075% of marked weight

• (2) The limits of error for weights for use in conjunction with equal-arm pan-over-beam scales are twice the limits of error set out in the table to subsection (1).

• (3) The limits of error for weights for use as ratio weights where the ratio is in excess of 100:1 are one-half the limits of error set out in the table to subsection (1).

87 The limits of error set out in the following table apply to all weights of 100 grams or over that are in multiples or submultiples of the gram and are for use with a device designed to weigh precious metals and other commodities of comparable value:

88 The limits of error set out in the following table apply to all weights that are in multiples of the troy ounce: