Specifications Relating to Timber Dimension Measuring Devices (SI/2024-48)

Marginal note:Auxiliary equipment interface

26 A timber dimension measuring device that is equipped with an interface that permits the connection of auxiliary equipment must be designed in a manner that prevents the metrological functions of the device from being adversely affected if the connected auxiliary equipment is exposed to an influence factor or a disturbance.

Marginal note:Adjustable components

27 A component of a timber dimension measuring device that is physically or electronically adjusted must maintain that adjustment until any further adjustment is made to that component.

Marginal note:Seals

28 The metrological functions and adjustable components of a timber dimension measuring device must be protected by

• (a) physical seals that are readily accessible and observable and that make any access to those functions or components apparent; or

• (b) electronic seals that make any access to those functions or components apparent, such as an audit trail that counts the number of changes made to the calibration or configuration parameters of the device or records the values related to these changes.

Marginal note:Marking — general

• 29 (1) The following information must be permanently marked in a clearly visible location on a timber dimension measuring device or on a descriptive plate that is affixed to the device:

  • (a) the approval number assigned to the class, type or design of the device in accordance with paragraph 17(c) of the Weights and Measures Regulations;

  • (b) the name of the device’s manufacturer;

  • (c) the device’s model designation;

  • (d) the device’s serial number;

  • (e) for each axis of measurement that the device is capable of measuring in the location where it is installed,

    • (i) the minimum and maximum dimensions for each measuring range on that axis, and

    • (ii) the interval for each measuring range on that axis;

  • (f) the number of scan heads installed on the device;

  • (g) the device’s minimum and maximum operating speeds as installed;

  • (h) the minimum distance, in centimetres or metres, between each log measured; and

  • (i) the temperature range specified for the device by the manufacturer, if any.

• Marginal note:Marking — temperature range

  (2) Despite paragraph (1)(i), a temperature range specified for the device by the manufacturer must not be marked on it or the descriptive plate unless the range spans at least 30°C and is entirely within the default temperature range.

Marginal note:Marking — other

30 The following information must be permanently marked on a timber dimension measuring device, or be posted near the device, in a location where the information is clearly visible to the device’s operator and any customer who is present when a measurement is taken:

• (a) all restrictions, limitations or conditions on the use of the device; and

• (b) all special applications or uses of the device.

Installation and Use

Marginal note:Requirements

• 31 (1) A timber dimension measuring device must be installed and used in a manner that

  • (a) ensures accurate measurement;

  • (b) respects the parameters, restrictions and limitations set out in the notice of approval issued in respect of the device under section 3 of the Weights and Measures Act;

  • (c) subject to section 2, is in accordance with the instructions issued by its manufacturer or importer;

  • (d) does not adversely affect the performance of the device;

  • (e) does not facilitate the perpetration of fraud; and

  • (f) ensures that any auxiliary equipment will not prevent the device from meeting the requirements of paragraphs (a) to (e).

• Marginal note:Examination and testing

  (2) A timber dimension measuring device must be installed in a manner that enables it to be examined and enables physical test standards or test objects to be applied to it and recovered before they are processed by any other device.

Marginal note:Use — general

32 A timber dimension measuring device must only be used

• (a) in a manner that is consistent with its design, composition and construction; and

• (b) to measure logs that have a naturally occurring cross-section.

Marginal note:Use — mobile equipment

33 A timber dimension measuring device that is an integral part of, or is attached or secured to, the frame, chassis, lifting mechanism or bed of mobile equipment — such as a truck, tractor, trailer or forklift — must not be supported by the wheels or treads of that equipment when the device is making a measurement.

Marginal note:Visibility of measurement registrations

34 A timber dimension measuring device must be installed in a manner that permits the operator, and any customer who is present when a measurement is taken, to observe the taking of the measurement and easily read the device’s indicator.

Coming into Force

Marginal note:Publication

35 These Specifications come into force on the day on which they are published in the Canada Gazette, Part II.