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Weights and Measures Act (R.S.C., 1985, c. W-6)

Act current to 2024-03-06 and last amended on 2021-04-19. Previous Versions

SCHEDULE IV(Section 11)Reference Standards

For Measurement of Length

  • 1 The national standard for length in Canada realized, through the use of any device, in compliance with the definition metre adopted by the 26e Conférence générale des poids et mesures as reported in the Comptes rendus de la 26e Conférence générale des poids et mesures published by the Bureau international des poids et mesures, and determined by the National Research Council of Canada under subparagraph 5(1)(c)(iv) of the National Research Council Act.

For Measurement of Mass or Weight

  • Avoirdupois Weight
    • 1 A standard of a nominal mass of one pound, designated MR-2.

  • Troy Weight
    • 2 A standard of nominal mass of one hundred troy ounces, designated MR-3.

  • Metric Weight
    • 3 A standard of a nominal mass of one kilogram, designated MR-1.

For Measurement of Temperature

ItemStandard NumberDescription
1VS767_1808Platinum Resistance Sensor, manufactured by Fluke Hart Scientific, having serial number 1808, and Black Stack thermometer module, manufactured by Fluke Hart Scientific, having serial number A78022
2[Repealed, SOR/2009-80]
3VS767_1203Thermistor sensor, manufactured by Thermometrics having serial number 1203; and Black Stack thermometer module, manufactured by Hart Scientific having serial number A13108
4VS1163_4749Precision temperature scanner, Model 1586A, manufactured by Fluke Calibration, having serial number 48175028; and Platinum Resistance Thermometer, Model 5626, manufactured by Fluke Calibration, having serial number 4749

For Measurement of Electricity

ItemStandard NumberDescription
1L-57Variable Burden Box for Voltage Transformers, manufactured by H. Tinsley & Co. Ltd. having serial number 1298
2L-1014Shielded Precision Capacitor, manufactured by Trench Electric Ltd. having serial number 7599
3L-1046Voltage Transformer, manufactured by Sangamo Company Limited having serial number 555762
4EL-1847Voltage Transformer, manufactured by Instrument Transformer Inc. having serial number 547222
5EL-1848Voltage Transformer, manufactured by Asea Brown Boveri Ltd. having serial number 39518360
6EL-1954Standard Capacitor Model 1404A, manufactured by IET Labs, Inc., having serial number D3-13091298
7EL-1892Current Transformer, manufactured by Tettex Instruments having serial number 149691
8EL-1894Programmable Electronic Burden Box for Current Transformers, manufactured by Tettex Instruments having serial number 149544
9EL-857Current Transformer, manufactured by Smith Hobson Ltd. having serial number G-033127
10EL-1720Current Transformer, manufactured by Knopp Inc. having serial number 8039391
11EL-1955Multifunction Transducer (W/Wh/VA/VAh/var/varh/V/Vh/V2h/I/Ih/I2h), Radian Dytronic Model RD-23-433, manufactured by Radian Research, Inc., having serial number 207286
12E-1877Standard Capacitor Model NK30, manufactured by Haefely Trench AG, having serial number 060565/2
13EL-1947High Precision Decade Resistor Model HPRS-C-5-0.01, manufactured by IET Labs, Inc., having serial number E1-1112783
14EL-1948Three-Stage Electronically Compensated Current Transformer, manufactured by the National Research Council of Canada, having serial number ECCT-2010-001
15EL-1949Electronically Compensated Current Transformer, manufactured by the National Research Council of Canada, having serial number ECCT-2010-002
16EL-1963Single-phase Electricity Reference Standard, Radian Xytronic Model RX-23-PQ, manufactured by Radian Research Inc., having serial number 710590

For Measurement of Gas

ItemStandard NumberDescription
1GL-2279Dead Weight Tester, manufactured by DH Instruments Inc. having serial number 487
2GL-2280Dead Weight Tester, manufactured by GE Sensing having serial number 63809
3[Repealed, SOR/2009-80]
4GL-2033Dead Weight Tester, manufactured by Ruska Instruments Co. having serial number 44509
5GL-2104Dead Weight Tester, manufactured by Ruska Instruments Co. having serial number 46404

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