Specifications Relating to Non-automatic Weighing Devices (1998) (SI/98-81)

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Specifications Relating to Non-automatic Weighing Devices (1998)

SI/98-81

WEIGHTS AND MEASURES ACT

Registration 1998-07-08

Specifications Relating to Non-automatic Weighing Devices (1998)

The Minister of Industry, pursuant to paragraph 10(1)(i)Footnote a of the Weights and Measures Act and sections 13Footnote b and 27Footnote b of the Weights and Measures RegulationsFootnote c, hereby establishes the annexed Specifications Relating to Non-automatic Weighing Devices (1998).

June 15, 1998

John Manley
Minister of Industry

Interpretation

  •  (1) The definitions in this section apply in these Specifications.

    actual scale interval

    actual scale interval or d means the value, expressed in units of mass

    • (a) with respect to analogue indications, of the difference between the values corresponding to two consecutive scale marks; and

    • (b) with respect to digital indications, the difference between two consecutively indicated values. (échelon réel ou d)

    automatic indicating device

    automatic indicating device means a weighing device in which the position of equilibrium is obtained without an operator’s intervention. (appareil de pesage à équilibre automatique)

    auxiliary indicating element

    auxiliary indicating element means a rider, a vernier or, in the case of a digital indicating device, the last figure after the decimal sign that is clearly differentiated from other figures such as by size, shape or colour. (dispositif indicateur auxiliaire)

    initial zero-setting mechanism

    initial zero-setting mechanism means a feature that automatically sets a weighing device to zero at the time the device is switched on and before it is ready for use. (dispositif de mise à zéro initiale)

    maximum capacity

    maximum capacity or Max means the maximum weighing capacity of a weighing device and, in the case of a multiple range device, the maximum weighing capacity of the relevant range. (portée maximale ou Max)

    metrological function

    metrological function means a function of a weighing device that is necessary for the measurement process — including the sensing of the measured quantity, the transmission, processing, storage and correction or adjustment of measurement signals or values and the indication or printing of measurement values — and that can impact on the final quantity determination or price calculation or affect the validity of transactions. Metrological functions include, but are not limited to,

    • (a) displaying or printing gross, tare, net and negative weight values, zero, and unit and total prices;

    • (b) setting zero, linearity, sensitivity, scale intervals, maximum capacity and motion detection; and

    • (c) performing the computation and rounding of price and weight values and the storing of values. (fonction métrologique)

    module

    module means a part of a weighing device that

    • (a) performs a specific metrological function;

    • (b) can be examined and tested separately; and

    • (c) is subject to the error limits set out in these Specifications. (module)

    multi-interval device

    multi-interval device means a weighing device

    • (a) that has a single weighing range divided into partial weighing ranges, each of which has a different scale interval; and

    • (b) in which the appropriate partial weighing range is automatically determined according to the load applied, both for increasing and decreasing loads. (appareil à échelons multiples)

    multiple range device

    multiple range device means a weighing device that

    • (a) has, for the same weighing and load-receiving element, two or more weighing ranges, each of which

      • (i) extends from zero to the maximum capacity of the range, and

      • (ii) has a different verification scale interval; and

    • (b) selects automatically, or permits the operator to select manually, any of the weighing ranges. (appareil à étendues multiples)

    non-automatic indicating device

    non-automatic indicating device means a weighing device that requires an operator’s intervention to obtain equilibrium, such as an equal-arm scale with weights. (appareil de pesage à équilibre non automatique)

    non-automatic weighing device

    non-automatic weighing device or weighing device means a weighing machine that weighs discrete loads and that requires an operator’s intervention during the weighing process, such as to deposit the load to be measured on the weighing and load-receiving element and to remove it therefrom or to obtain weight results. (appareil de pesage à fonctionnement non automatique ou appareil de pesage)

    number of verification scale intervals

    number of verification scale intervals means the value obtained by using the following formula:

    Max/e

    where

    Max 
    represents the maximum capacity, and
    e 
    represents the verification scale interval. (nombre d’échelons de vérification)
    on-board weighing system

    on-board weighing system means a weighing device designed to be an integral part of, or attached or secured to, the frame, chassis, lifting mechanism or bed of mobile equipment such as a truck, tractor, trailer or forklift. (système de pesage monté sur véhicule)

    verification scale interval

    verification scale interval or e means a value, specified by the manufacturer and expressed in units of mass, that is used for the classification and inspection of a weighing device. (échelon de vérification ou e)

    weight classifier

    weight classifier means a weighing device with a digital indicating element that rounds a weight value up to the next verification scale interval. (appareil classificateur)

  • (2) In these Specifications, a reference to a verification scale interval or actual scale interval refers to that of the weighing range or partial weighing range, as the case may be, that is being tested.

  • SI/2005-85, s. 1.

Application

  •  (1) Subject to subsection (2), these Specifications apply to any non-automatic weighing device and to any equipment or accessory that is attached to the device or used in conjunction with it.

  • (2) A non-automatic weighing device that, before June 15, 1998, was approved under subsection 3(1) of the Weights and Measures Act or inspected under the terms of a previous enactment — or whose class, type or design was so approved —

    • (a) is subject to the performance requirements set out in these Specifications; and

    • (b) is not subject to any of the provisions of these Specifications relating to design, composition, construction or marking where the non-automatic weighing device meets the requirements that applied when its class, type or design was approved or, failing which, that applied to the device on its approval or inspection.

  • SI/2005-85, s. 2.

Classification of Non-automatic Weighing Devices

  •  (1) Subject to subsections (2) and (3), the classes of non-automatic weighing devices are as set out in column 1 of the table to this subsection on the basis of the device’s accuracy, verification scale interval and number of verification scale intervals as set out in columns 2, 3 and 4, respectively, of that table.

    TABLE

    Column 1Column 2Column 3Column 4
    Verification scale interval (e)Number of verification scale intervals
    ClassAccuracyInternational UnitsCanadian UnitsMinimumMaximum
    Oval outline with the text I inside
    Specialee50 000– – –
    Oval outline with the text II inside
    High0.001 g (0.005 carat)0.00005 ounce (troy ounce)100100 000
    ≤ e ≤≤ e ≤
    0.05 g (0.2 carat)0.002 ounce (troy ounce)
    e ≥ 0.1 g (0.5 carat)e ≥ 0.005 ounce (troy ounce)5 000100 000
    Oval outline with the text III inside
    Medium0.1 g ≤ e ≤ 2 g0.0002 pound (0.005 ounce)10010 000
    ≤ e ≤
    0.005 pound (0.1 ounce)
    e ≥ 5 ge ≥ 0.01 pound (0.2 ounce)50010 000
    Oval outline with the text IIIHD inside
    Medium (high capacity devices)e ≥ 2 kge ≥ 5 pounds2 000– – –
    Oval outline with the text IIII inside
    Ordinarye ≥ 5 ge ≥ 0.01 pound (0.2 ounce)1001 200
  • (2) On-board weighing systems are limited to Classes Oval outline with the text III inside, Oval outline with the text IIIHD inside and Oval outline with the text IIII inside.

  • (3) The verification scale interval of Class Oval outline with the text III inside on-board weighing systems shall not be less than 5 g.

  • SI/2008-81, s. 1.
 
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