TABLE

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(2) The limits of error for rigid linear measures with graduations and markings in terms of Canadian units of length are twice the limits of error set out in the table to subsection (1). SOR/89-570, s. 6(F).

DIVISION V
WEIGHING AND MEASURING MACHINES IN GENERAL

Interpretation

120. In this Division,

"machine" means a weighing machine or measuring machine for use in trade, other than one referred to in the Order Establishing Specifications Relating to Non-automatic Weighing Devices; (appareil)

"registration" includes both visual indication and recorded representation of quantity, unit price or monetary value. (enregistrement) SOR/98-115, s. 7.

Design, Composition and Construction

121. A machine shall be of a design, composition and construction that will enable it to resist such exposure to vibration, the product measured, foreign matter, dirt, moisture and extremes of temperature as may be encountered in its intended service, so that wear of its moving components will be minimized, its accuracy will be maintained, its operating parts will continue to function properly and its means of adjustment will retain their settings.

122. and 123. [Repealed, SOR/98-115, s. 8]

124. Any electrical or electronic components, equipment or accessories attached to or used in conjunction with a machine that have or can have an effect on the accuracy of the machine shall function properly despite such steady-state and transient variations in the frequency, voltage and waveform of the electrical supply and disturbances in the surrounding electromagnetic and electrostatic field as may normally exist in the intended service.

125. When a machine requires an electrical power supply, the frequency, voltage and current requirements and any special limitations on the stability or quality of power supply required to enable the machine to measure accurately shall be marked on the machine.

126. A machine shall be provided with means of registration that are appropriate for the class, type or design of machine and for its intended service, installation and use.

127. All registrations shall be clear, definite and easily legible under conditions of normal use of the machine.

128. [Repealed, SOR/98-115, s. 9]

129. Where a machine provides a printed record of the registration on a ticket or form, the ticket or form shall contain a statement of

(a) the quantity measured in the transaction or, where permitted or required by these Regulations or by specifications established by the Minister, a start and finish print such that the quantity measured can be calculated by subtraction;

(b) when the computed price is shown, the unit price for the commodity measured;

(c) the name, symbol or abbreviation appropriate to the unit of measurement registered and, as applicable, to the unit price and total price; and

(d) such further information as may be required by these Regulations or by specifications established by the Minister. SOR/93-234, s. 2.

130. A machine equipped with an indicator or printer shall be capable of giving a visual or printed indication that the device has been properly returned to start position before any commodity is measured.

131. The graduations on an analogue type of indicator or printer for a machine shall conform to the following specifications:

(a) in any series of graduations the lines or marks of corresponding graduations shall be uniform in size and character;

(b) the width of a graduation line or mark shall not be greater than the width of the minimum clear interval between graduations;

(c) graduation lines or marks shall be varied in length or size so that they may be accurately read;

(d) in a series of graduations, intervals representing identical quantities shall not differ by a ratio greater than 1.2 to 1;

(e) graduations intended to have specific values shall be defined by figures, words, symbols or combinations thereof uniformly placed with reference to the graduations and as close thereto as practicable, but not so positioned as to interfere with the accuracy of reading; and

(f) graduations and their defining figures, words and names or symbols or abbreviations for the unit of measurement shall be such that they will not become obliterated or illegible under conditions of normal use of the machine.

132. The indicating element of an analogue type of indicator and the imprint of an analogue printer of a machine shall conform to the following specifications:

(a) the indicating portion of a poise or pointer and its relation to any associated series of graduations shall be such that there will be no confusion as to the quantity indicated or printed;

(b) the indicating portion of a poise or pointer shall reach but shall not obscure the finest graduation with which it is used;

(c) if the indicating portion of a pointer and the graduations are in the same plane, there may be a distance of not more than 1.0 mm or 0.04 inch between the end of the indicating portion and the end of the graduations, the distance being measured along the line of the graduations;

(d) the width of an indicating line or of the indicating portion of a pointer shall not be greater than the width of the narrowest graduation with which it is used; and

(e) the clearance between an indicating line or the indicating portion of a pointer and the reading surface of the graduations shall not be more than 1.5 mm or 0.06 inch unless adequate provision is made to prevent errors due to parallax.

133. [Repealed, SOR/98-115, s. 10]

134. Mechanical digital means of registration for a machine of the drum cyclometer or similar type shall conform to the following specifications:

(a) all digits except the last shall remain centrally aligned;

(b) there shall be means to show when the last digit is centrally aligned;

(c) any graduation lines on the finest indicating element shall provide a decimal or binary subdivision of the quantity between its successive digits;

(d) the digits representing a whole unit of measurement or a decimal multiple thereof shall be of uniform size, character and colour;

(e) the digits representing a decimal submultiple of the unit of measurement shall be set apart by a decimal point or comma; and

(f) where required by specifications for the particular class or type of machine, the digits representing a decimal or binary fraction of the unit of measurement shall be differentiated from the other digits by their size, character, colour or by a supplementary symbol.

135. Electronic digital means of indication for a machine shall conform to the following specifications:

(a) all digits shall be of the same height;

(b) the digits representing a decimal submultiple of the unit shall be set apart by a decimal point or comma; and

(c) the brightness of the electronically displayed digits and other information shall be such that they may be easily read under normal conditions of use.

136. Associated with any digital registration by a machine there shall be suitably located defining words and the name, symbol or abbreviation for the unit or units of measurement appropriate in size and such that they will not become obliterated or illegible under normal conditions of use of the machine.

137. Indicators and printers for monetary values shall conform to the same specifications as indicators and printers for registration of units of quantity.

Performance

138. Within such limits of repeatability as may be required by these Regulations or by specifications established by the Minister, a machine shall be capable of repeating its registrations for each identical load or quantity delivered regardless of repeated manipulations of any or all of the elements of the machine in a manner approximating normal conditions of use of the machine.

139. (1) Subject to subsection (2), where a machine is equipped with two or more means of registration that have the same units of measurement, the registrations shall be in agreement, in accordance with the following criteria:

(a) in the case of electronic digital means of registration, the registrations thereof shall

(i) where the values of minimum increment of registration are the same, be in exact agreement, or

(ii) where the values of minimum increment of registration are not the same, be in agreement within 0.6 times the largest of those values of minimum increment of registration;

(b) in the case of mechanical digital means of registration, the registrations thereof shall be in agreement within 0.6 times the largest of the values of minimum increment of registration;

(c) in the case of analogue means of registration, the registrations thereof shall be in agreement within 0.25 times the largest of the values of minimum increment of registration; and

(d) in the case of combined digital and analogue means of registration, the registrations thereof shall be in agreement within 0.6 times the largest of the values of minimum increment of registration.

(2) A means of providing analogue registration that is of the servo-follower type and that is installed prior to January 1, 1976 shall be in agreement with any other analogue or digital means of registration connected to the same machine within twice the finest graduation. SOR/90-118, s. 19.

140. The registration of monetary value on a machine provided with means of registration for monetary value shall be in mathematical agreement with the quantity indication and unit price, within such monetary limits as may be allowed by these Regulations or by specifications established by the Minister and the machine shall have words or symbols to differentiate clearly between the monetary value and the quantity registrations.

Installation and Use

141. A machine that has electrical components or equipment or accessories attached to or used in conjunction with it that have or can have an effect on the accuracy of the machine shall be connected to an electrical supply the characteristics of which are as specified by the manufacturer of the machine and the electrical wiring and other electrical installation affecting the machine shall be in accordance with the specifications of the manufacturer and with specifications established by the Minister for that class, type or design of machine.

142. The installation and use of a machine shall be such as to ensure that it is protected from abnormal environmental factors such as excessive dust or extremes of temperature, vibration, electromagnetic or electrostatic fields that could have an adverse effect on its performance.

143. A machine, other than a scale used for prepackaging, shall be so located that its primary indicator can be clearly read by any party to the transaction for which the machine is being used, but, if owing to particular circumstances that is not feasible, an approved secondary indicator shall be provided to allow the interested parties to read the registration of the machine.

144. The primary indicator of a machine shall be so located as to allow an unobstructed view of the load-receiving element or the delivery outlet of the machine or, if owing to particular circumstances that is not feasible, a convenient means shall be provided for direct communication between an observer at the indicator and an observer at the load-receiving element or the delivery outlet.

145. to 148. [Repealed, SOR/98-115, s. 11]

149. The ticket, card or other blank or preprinted form used with a printer associated with a machine shall be appropriate to that printer.

DIVISION VI
WEIGHING MACHINES

Interpretation

150. In this Division,

"known test load" means a load consisting of local standards or any other load the weight of which has been determined in relation to local standards; (charge connue)

"machine" means a weighing machine for use in trade, other than one referred to in the Order Establishing Specifications Relating to Non-automatic Weighing Devices; (appareil)

"registration" includes both visual indication and printed representation of quantity, unit price or monetary value. (enregistrement) SOR/90-118, s. 20; SOR/98-115, s. 12.

Design, Composition and Construction

151. Where the accuracy of registration or zero-balance of a portable machine is affected when the machine is off level, the machine shall be equipped with self-locking or lockable means of levelling and a level indicator.

152. to 156. [Repealed, SOR/98-115, s. 13]

157. A machine shall be equipped with means to balance it at zero-load and if supplementary material is used for that purpose it shall be so enclosed that it cannot shift position or be readily removed or altered in such a way that the balance condition of the machine is affected.

158. A balance ball, balancing weight, spring adjustment, trim potentiometer or other zero adjusting means on a machine shall be operable only by a detachable tool, but on a machine of up to 15 kg or 30 pounds capacity, a balance ball may be operable without a detachable tool if the design provides for controlled friction to hold the balance ball in any set position.

159. to 168. [Repealed, SOR/98-115, s. 14]

169. When a machine is equipped with a ticket printer or a label printer, the printed numbers and letters shall be of such size, character and colour that they may be easily read under normal conditions of use.

170. [Repealed, SOR/98-115, s. 15]

171. A machine equipped with an electronic digital means of registration shall be capable of giving visual confirmation that it has been returned to zero-load within a range equivalent to the greater of

(a) 1/4 of the value of the minimum increment of registration, and

(b) 0.01 per cent of the capacity of the machine. SOR/90-118, s. 21.

172. (1) Subject to subsections (2) and (3), the value of the minimum increment of registration on a machine shall not be greater than 10 kg or 20 pounds unless the capacity of the machine exceeds 100 000 kg or 200,000 pounds, in which case the value of the minimum increment of registration shall not be greater than 20 kg or 50 pounds.

(2) The value of the minimum increment of registration on a tank scale that is designed for weighing alcohol or on a hopper scale that is designed for weighing grain in a terminal or transfer elevator shall not be greater than

(a) 5 kg or 10 pounds, if the capacity of the scale is equal to or less than 100 000 kg or 200,000 pounds;

(b) 10 kg or 20 pounds, if the capacity of the scale exceeds 100 000 kg or 200,000 pounds, but is equal to or less than 200 000 kg or 400,000 pounds; and

(c) 20 kg or 50 pounds, if the capacity of the scale exceeds 200 000 kg or 400,000 pounds.

(3) The value of the minimum increment of registration on a conveyor belt scale shall not be greater than 100 kg or 200 pounds. SOR/90-118, s. 21.

173. [Repealed, SOR/98-115, s. 16]

Performance

174. Subject to sections 181 to 184 and 188 to 193, where a known test load set out in column I of an item of a table to section 176 or 177 is applied to a machine for the purpose of determining compliance with the acceptance limits of error, the machine is within the acceptance limits of error in respect of that known test load if the load registered by each means of registration of the machine is not greater or less than the known test load by an amount in excess of the amount set out in column II of that item. SOR/89-570, s. 6(F); SOR/90-118, s. 22; SOR/98-115, s. 17.

175. Subject to sections 181 to 184 and 188 to 193, where a known test load set out in column I of an item of a table to section 176 or 177 is applied to a machine for the purpose of determining compliance with in-service limits of error, the machine is within the in-service limits of error in respect of that known test load if the load registered by each means of registration of the machine is not greater or less than the known test load by an amount in excess of the amount set out in column III of that item. SOR/89-570, s. 6(F); SOR/90-118, s. 22; SOR/98-115, s. 17.

176. Subject to sections 188, 192 and 193, the limits of error set out in the following table apply to all machines registering in metric units of mass:

TABLE

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SOR/89-570, s. 6(F); SOR/98-115, s. 18.

177. Subject to sections 188, 192 and 193, the limits of error set out in the following table apply to all machines registering in avoirdupois units of mass or weight:

TABLE

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SOR/89-570, s. 6(F); SOR/98-115, s. 19.

178. to 180. [Repealed, SOR/98-115, s. 20]

181. When a machine that is of the self-indicating or semi-self-indicating type is tested by

(a) the removal of a known test load, in the case of a machine that is normally used for weighing following the addition of load, or

(b) the addition of a known test load, in the case of a machine that is normally used for weighing following the subtraction of load,

the acceptance and in-service limits of error are 1.5 times the limits of error set out in the tables to sections 176 and 177 and set out in sections 188 and 192. SOR/89-570, s. 6(F).

182. (1) Subject to subsections (2) and (3) and sections 188 and 192, the minimum limit of error when a machine is tested for acceptance or in-service limits of error is a weight equivalent to 0.05 per cent at the capacity of the machine or one minimum increment of registration, whichever is the lesser.

(2) The minimum limit of error for a railway track scale used exclusively in weighing railway cars is the greater of 15 kg or 30 pounds, and the value of the minimum increment of registration.

(3) In a strain test at a heavy duty scale, there shall be no minimum limit of error in respect of the known test load that is added to the strain load and the limit of error for a machine with digital registration shall not be increased as described in section 184. SOR/89-570, s. 6(F); SOR/90-118, s. 23; SOR/93-234, s. 2(F).

183. On removal of all load from a machine, the means of registration of the machine shall immediately return to zero registration within a range equivalent to the greater of

(a) 1/4 of the value of the minimum increment of registration, and

(b) 0.01 per cent of the capacity of the machine. SOR/90-118, s. 24.

184. Subject to subsection 182(3), where a machine has digital increments of registration, the acceptance and in-service limits of error applicable to the digital registrations of the machine shall be increased beyond the limits of error otherwise applicable to the digital registrations of the machine by the equivalent of one-half the finest digital increment of registration. SOR/89-570, s. 6(F).

185. (1) Where a test consisting of the application to a machine of the same test load up to 10 times is carried out under conditions approximating conditions of normal use, the difference between the least registered load and the greatest registered load shall not exceed the absolute value set out in column II or III, as applicable, of an item of the appropriate table to sections 176 and 177 that corresponds to the known test load set out in column I of that item that is equivalent to the greatest registered load.

(2) Subsection (1) does not apply to the testing of a machine in accordance with subsection 189.2(1), 190(2) or 191(1) or (2). SOR/89-570, s. 6(F); SOR/90-278, s. 5; SOR/93-234, s. 2(E).

186. and 187. [Repealed, SOR/98-115, s. 21]

188. Where a hopper scale or a tank scale referred to in subsection 172(2) has a capacity equal to or greater than 15 000 kg or 35,000 pounds,

(a) the acceptance limits of error for that scale are the greater of 0.05 per cent of the known test load and the value of the minimum increment of registration; and

(b) the in-service limits of error for that scale are the greater of 0.10 per cent of the known test load and the value of the minimum increment of registration. SOR/89-570, s. 6(F); SOR/90-118, s. 25.

189. Where a static test is conducted on a railway track scale that is designed for in-motion weighing, the acceptance limits of error for the scale are those prescribed by section 174 and the in-service limits of error for the scale are those prescribed by section 175. SOR/89-570, s. 6(F); SOR/90-278, s. 6.

189.1 (1) In sections 189.2, 190 and 191,

"reference car" means a railway car the weight of which has been determined in relation to a relevant local standard. (wagon de référence)

(2) In sections 190 and 191,

"net known test load" means the difference between the static weight of a loaded reference car and the static weight of an empty reference car. (charge connue nette) SOR/90-278, s. 6.

189.2 (1) Subject to subsection 182(2), where a railway track scale that is designed for in-motion weighing of uncoupled railway cars is tested dynamically, the acceptance limit of error and in-service limit of error for the scale are 0.15 per cent of the known weight of each reference car.

(2) The limits of error set out in subsection (1) apply to a test that consists of five reference cars passing over the railway track scale up to 10 times, under conditions approximating conditions of normal use.

(3) The reference cars referred to in subsections (1) and (2) shall be representative of the types and weight range of the railway cars for which the railway track scale is intended to be used. SOR/90-278, s. 6.

190. (1) In this section, "unit train" or "UT" means a train composed of at least 10 coupled railway cars of the same type carrying the same product to one consignee. (train-bloc or TB)

(2) Where a railway track scale that is designed for the in-motion weighing of unit trains is tested dynamically, the acceptance limit of error and in-service limit of error for the scale are 0.15 per cent of the sum of the net known test load of all of the reference cars in the train that are weighed.

(3) The test referred to in subsection (2) shall not be conducted more than 10 times.

(4) The reference cars and the length of the train used in the test referred to in subsection (2) shall be representative of the types and weight range of the railway cars and length of the trains for which the railway track scale is intended to be used. SOR/89-570, s.6(F); SOR/90-278, s. 6.

191. (1) Where a railway track scale that is designed for the in-motion weighing of individual coupled railway cars forming a train, and is used solely for determining transportation charges for commodities, is tested dynamically, the acceptance limits of error and in-service limits of error for the scale are the following:

(a) at least 70 per cent of the individual weights of the reference cars shall be within 0.2 per cent of the known individual static weight of those reference cars;

(b) not more than five per cent of the individual weights of the reference cars shall differ by more than 0.5 per cent from the known individual static weights of those reference cars; and

(c) the weight of an individual reference car shall not differ by more than one per cent from the known static weight of that reference car.

(2) Where a railway track scale referred to in subsection (1), used for a purpose other than determining transportation charges for commodities, is tested dynamically, the acceptance limit of error and in-service limit of error for each dynamic weighing are 0.15 per cent of the net known test load.

(3) The tests referred to in subsections (1) and (2) shall not be conducted more than 10 times.

(4) The reference cars and the length of the train used in the tests referred to in subsections (1) and (2) shall be representative of the types and weight range of the railway cars and length of the trains for which the railway track scale is intended to be used. SOR/89-570, s. 6(F); SOR/90-278, s. 6.

192. Where a crane scale is designed for use in the weighing of freight to determine freight or shipping charges thereon, the acceptance and in-service of error are 0.5 per cent of the known test load, but not less than 0.125 per cent of the capacity of the scale. SOR/89-570, s. 6(F).

193. Where a conveyor scale or other automatic discharging machine is designed to be used in the bulk weighing of cheap commodities such as gravel or crude ore, the acceptance and in-service limits of error shall be 0.5 per cent of the known weight of the commodity discharged or 0.5 per cent of the computed equivalent weight when a test is made using calibrated standards. SOR/89-570, s. 6(F).

194. and 195. [Repealed, SOR/98-115, s. 22]

196. The load discrimination of a machine equipped with a self-indicating or semi-self-indicating means of registration of either the analogue or the digital type shall be such that for the purpose of determining compliance with the acceptance limits of error or in-service limits of error for the machine and at any load from zero to maximum capacity, the addition to or removal from the load-receiving element of a weight corresponding to 1.4 times the value of the minimum increment of registration shall cause a change in registration equal to or greater than the value of the minimum increment of registration. SOR/89-570, s. 6(F); SOR/90-118, s. 26.

Installation and Use

197. to 201. [Repealed, SOR/98-115, s. 23]

202. An installed machine shall be protected against wind, rain, blowing snow, extremes of temperature, variations in electromagnetic and electrostatic fields and any abnormal conditions of use to ensure that the machine can measure accurately and is not subject to premature deterioration in performance.

203. Water from any source shall be drained away from the machine and all surfaces under the machine, including floors of pits, shall be kept dry.

204. Before use, a portable machine shall be placed on a level and stable supporting surface and shall be properly levelled.

205. [Repealed, SOR/98-115, s. 24]

206. A machine shall, before use, be adjusted to register zero when there is no load on the load receiving element, unless another mode of operation is allowed for the class, type or design of machine by specifications established by the Minister or by a notice of approval.

207. to 209. [Repealed, SOR/98-115, s. 25]

DIVISION VII
LINEAR MEASURING MACHINES

Interpretation

210. In this Division,

"known test length" means a sample of a material that is representative in thickness and texture of the kind of material that a machine is designed to measure, the length of which has been determined in relation to a local standard; (longueur de contrôle connue)

"machine" means a linear measuring machine for use in trade. (appareil) SOR/90-118, s. 28.

Design, Composition and Construction

211. The measuring element on a machine shall be designed and constructed so as to reduce to a practicable minimum any slippage of material being measured.

212. The registering element on a machine shall be readily returnable to a definite zero indication and means shall be provided on the machine to prevent the return of the registering element to less than zero registration.

213. Registrations of length and money value shall be accurate when the machine is operated at any speed and in any manner to which it may reasonably be subjected in trade use and when it is operated in either a forward or a backward direction.

Performance

214. Where a test that consists of measuring a known test length set out in Column I of an item of the appropriate table to sections 216 to 219 is carried out on a machine, the machine is within the acceptance limits of error in respect of the known test length if the length registered by the machine is

(a) not less than the known test length by an amount greater than the amount set out in Column II of that item; and

(b) not more than the known test length by an amount greater than the amount set out in Column III of that item. SOR/89-570, s. 6(F); SOR/90-118, s. 29.

215. Where a test that consists of measuring a known test length set out in Column I of an item of the appropriate table to sections 216 to 219 is carried out on a machine, the machine is within the in-service limits of error in respect of the known test length if the length registered by the machine is

(a) not less than the known test length by an amount greater than the amount set out in Column IV of that item; and

(b) not more than the known test length by an amount greater than the amount set out in Column V of that item. SOR/89-570, s. 6(F); SOR/90-118, s. 29.

216. The limits of error set out in the following table apply to all fabric machines registering in terms of metric units of length:

TABLE

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SOR/89-570, s. 6(F).

217. The limits of error set out in the following table apply to all fabric machines registering in terms of Canadian units of length:

TABLE

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SOR/89-570, s. 6(F).

218. The limits of error set out in the following table apply to all machines for measuring rope, cordage, wire or woven screening in terms of metric units of length:

TABLE

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SOR/89-570, s. 6(F)

219. The limits of error set out in the following table apply to all machines for measuring rope, cordage, wire or woven screening in terms of Canadian units of length:

TABLE

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SOR/89-570, s. 6(F).

Installation and Use

220. A machine shall be firmly attached to a counter or other stable support before it is used.

221. Registration shall be returned to zero before each use of the machine.

DIVISION VIII
AREA MEASURING MACHINES

Interpretation

222. In this Division, "machine" means an area measuring machine for use in trade.

Design, Composition and Construction

223. A machine shall be designed so that any means of adjustment that can have an effect on its accuracy of measurement has provision for sealing.

Performance

224. When a machine is tested in relation to a relevant local standard for either acceptance or in-service limits of error by measurement of a known area on a surface representative of the kind of material for which the machine is designed, the machine is within both the acceptance and in-service limits of error in respect of that area and that kind of material if the area registered does not differ from the known area by more than 0.006 square metres or 1.5 per cent of the known area, whichever is greater, and, in the case of a machine measuring in Canadian units of measurement, 1/16 square foot or 1.5 per cent of the known area, whichever is greater. SOR/89-570, s. 6(F).

DIVISION IX
SOLID VOLUME MEASURING MACHINES

Interpretation

225. In this Division, "machine" means a machine for determining the computed volume of boxes and other solids on the basis of three mutually perpendicular linear measurements.

Design, Composition and Construction

226. Measuring faces on a machine shall be designed so that they may be held parallel when each of the three principal axes of the object are being measured.

227. A machine shall provide registration of measurement in terms of either cubic decimetres or cubic feet.

Performance

228. When a machine is tested in relation to a relevant local standard for acceptance limits of error by taking the measurement in turn of three lengths the product of which corresponds to a computed volume set out in Column I of an item in a table to section 230 or 231, the machine is within the acceptance limits of error in respect of that computed volume if the amount registered by the machine

(a) is not less than the computed volume by an amount in excess of the volume set out in Column II of that item; and

(b) does not exceed the computed volume by an amount in excess of the amount set out in Column III of that item. SOR/89-570, s. 6(F).

229. When a machine is tested in relation to a relevant local standard for in-service limits of error by taking the measurement in turn of three lengths the product of which corresponds to a computed volume set out in Column I of an item in a table to section 230 or 231, the machine is within the in-service limits of error in respect of that computed volume if the amount registered by the machine

(a) is not less than the computed volume by an amount in excess of the volume set out in Column IV of that item; and

(b) does not exceed the computed volume by an amount in excess of the amount set out in Column V of that item. SOR/89-570, s. 6(F).

230. The limits of error set out in the following table apply to all solid volume machines designed to establish the space in cubic decimetres taken up by packages, parcels and crates:

TABLE

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SOR/89-570, s. 6(F).

231. The limits of error set out in the following table apply to all solid volume machines designed to establish the space in cubic feet taken up by packages, parcels and crates: