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

Regulations are current to 2016-08-15 and last amended on 2014-08-01. Previous Versions

SCHEDULE IV(ss. 53 and 54)Tolerances for Local Standards

PART I

Tolerances for Local Standards of Mass That Have a Nominal Value Shown in Metric Units and That are Used to Examine Devices for Weighing Precious Metals

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
Grams
1More than 1000.0015% of Nominal Value
Milligrams
21001.5
3501
4200.8
5100.6
650.5
720.4
810.3
Milligrams
95000.25
102000.2
111000.15
12500.12
13200.1
14100.08
155 or less0.06

PART II

Tolerances for Local Standards of Mass or Weight That Have a Nominal Value Shown in Canadian Units and That are Used to Examine Devices for Weighing Precious Metals

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
Troy Ounces
1More than 50.0015% of Nominal Value
Grains
250.036
320.0173
410.0135
50.50.011
60.20.0081
70.10.0067
80.050.0055
90.020.0041
100.010.0034
110.0050.0027
120.0020.002
130.0010.0017
Grains
141,0000.0177
156000.0143
163000.0122
172000.0102
181000.0082
19600.0071
20300.0061
21200.0051
22100.0041
2360.0036
2430.003
2520.0025
2610.002
270.60.0017
280.30.0015
290.20.001
300.1 or less0.0009

PART III

Tolerances for Local Standards of Mass That Have a Nominal Value Shown in Metric Units and That are Used to Examine Devices for Weighing Commodities Other Than Precious Metals

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
Kilograms
1More than 10.005% of Nominal Value
Milligrams
2150
Grams
350025
420010
51005
6503
7202.5
8102
951.5
1021.2
1111
Milligrams
125000.8
132000.6
141000.5
15500.4
16200.3
17100.25
185 or less0.2

PART IV

Tolerances for Local Standards of Mass or Weight That Have a Nominal Value Shown in Canadian Units and That are Used to Examine Devices for Weighing Commodities Other Than Precious Metals

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
Pounds
1More than 10.005% of Nominal Value
Grains
210.35
30.50.175
40.20.071
50.10.045
60.050.035
70.020.028
80.010.022
90.0050.018
100.0020.015
110.0010.012
Ounces
1280.175
1340.088
1420.05
1510.041
16½0.034
17¼0.026
181/80.021
191/160.018
201/320.015
Grains
211,0000.055
226000.043
233000.038
242000.033
251000.025
26600.021
27300.018
28200.016
29100.013
3060.011
3130.009
3220.008
3310.007
340.60.006
350.30.005
360.20.004
370.1 or less0.003

PART V

Tolerances for All Local Standards of Length that Have a Nominal Value Shown in Metric Units

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
MetresMillimetres
1304
2153
331.5
421.0
510.5
Millimetres
65000.4
73000.3
81000.1
9250.05

PART VI

Tolerances for All Local Standards of Length that Have a Nominal Value Shown in Canadian Units

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
FeetInches
11000.15
2500.10
3100.05
460.04
530.025
620.015
710.010
Inches
860.005
910.001

PART VII

Tolerances for Narrow Neck Standards that Have a Nominal Value Shown in Metric Units

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
Litres
150 or more0.04% of the nominal value
22010 mL
356 mL
423 mL
511.5 mL
60.50.9 mL
70.2 or less0.25% of the nominal value

PART VIII

Tolerances for Narrow Neck Standards that Have a Nominal Value Shown in Canadian Units

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
Gallons
110 or more0.04% of the nominal value
250.40 fluid ounces
310.18 fluid ounces
Quarts
430.15 fluid ounces
520.12 fluid ounces
610.06 fluid ounces
Pints
710.05 fluid ounces
80.5 or less0.25% of the nominal value

PART IX

Tolerance for Stoppered Pycnometer Standards

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1Any volume0.02% of the volume

PART X[Revoked, SOR/93-234, s. 2]

PART XI

Tolerances for Cylindrical Graduated Standards of Volume that Have a Nominal Value Shown in Metric Units

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
MillilitresMillilitres
12 0008.0
21 0005.0
35003.0
42501.6
52001.4
61000.8
7500.5
8250.3
9100.16
1050.12

PART XII

Tolerances for Cylindrical Graduated Standards of Volume that Have a Nominal Value Shown in Canadian Units

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
Fluid OuncesFluid Ounces
1400.20
250.04
340.04

PART XIII

Tolerance for Master Meter Standards That are Used to Examine Liquefied Gas Measuring Machines

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1A volume corresponding to a delivery lasting at least one minuteNot more than 0.05% difference in the registered volume for any number of tests made under the same controlled conditions

PART XIV

Tolerance for Master Meter Standards That are Used to Examine Meters Other Than Liquefied Gas Measuring Machines

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1A volume corresponding to a delivery lasting at least one minuteNo more than 0.03% difference in the registered volume for any number of tests made under the same controlled conditions

PART XV

Tolerance for Pipe Prover Standards with Entirely Mechanical Means of Registration

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1Any base volume0.05% of the volume

PART XVI

Tolerance for Pipe Prover Standards with a Means of Registration other than Entirely Mechanical

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1Any base volume0.02% of the volume

PART XVII

Tolerance for Gravimetric Prover Standards

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1Any mass or weight20 g or the value of the minimum increment of registration, whichever is the lesser

PART XVIII

Tolerance for Hydrometer Standards

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1Any density or relative density0.2% of the density or relative density

PART XIX

Tolerances for Standards of Temperature

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1Any temperature from -40°C to +50°C0.25°C
2Any temperature greater than +50°C to +175°C0.6°C

PART XX

Tolerances for Electricity Measuring Standards

ItemColumn IColumn II
Nominal Value of Local StandardTolerance
1Any indication in watt hours0.05% of the nominal value
2Any indication in volt ampere hours0.1% of the nominal value
3Any indication in var hours0.1% of the nominal value
4Any indication in amperes rms0.1% of the nominal value
5Any indication in volts rms0.1% of the nominal value
  • SOR/89-570, s. 6(F);
  • SOR/90-118, ss. 43, 44;
  • SOR/93-234, s. 2;
  • SOR/2005-297, ss. 38, 39;
  • SOR/2014-111, s. 46.
 
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