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8/11/2019 Fuel Dispenser Calibration Canada

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1. Measurement Canada2. > Las and !e"uirements

P-G-01 Procedures for the Calibration,

Certification and Use of Gas Measuring

Apparatus - Woring !e"el #onic $o%%le

Pro"ers Pursuant to the &e'uirements of #-

G-01

#rocedures $or the Cali%ration& Certi$ication and Use o$ 'as Measuring (pparatus ) *orking

Level Sonic +o,,le #rovers #ursuant to the !e"uirements o$ S)')-1& in #F $ormat& 1//.0
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#)')-1 3rev.145 Summar6 o$ (mendments to #)')-1

#ection (escription

All !e$ormatted to ne $ormatting re"uirements.

)*+** .11/ Corrected $ormula.

)*+** .1/ Corrected $ormula.

)*+** Corrected e7amples and the $ormula $or 8C meters.

)***!eorded to remove test points %elo the ma7imum errors e7pected $or the intended

use o$ the measuring apparatus.

)**+*1*

.)/(dded percent correction $ormula $or imperial units.

)*) !emoved as the repeata%ilit6 testing is no longer a re"uirement.

able of Contents

1.- Scope

1.1 'eneral2.- !e$erences

9.- e$initions

:.- Sa$et6

:.1 Scope:.2 !e"uirements

:.9 Ha,ards

:.: Sa$e ;perating #rocedures


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/.2.2.1 Scope

/.2.2.2 'eneral

/.2.2.9 (pparatus/.2.2.: #rocedure

/.2.2.< !emarks

/.9 #rocedures For (ssessing Mechanical !e"uirements/.9.1 Leak 8ests

/.9.1.1 ;perational Leak 8ests

/.9.1.1.1 Scope/.9.1.1.2 'eneral

/.9.1.1.9 (pparatus

/.9.1.1.: #rocedure

/.9.1.1.< !emarks/.9.2 Flo !ate 8ests

/.9.2.1 Scope

/.9.2.2 'eneral

/.9.2.9 (pparatus/.9.2.: #rocedure

/.9.2.< !emarks/.9.9 !egister eri$ication

/.9.9.1 Scope

/.9.9.2 'eneral/.9.9.9 (pparatus

/.9.9.: #rocedure

/.9.2.< !emarks

/.: Meter Classi$ications and 8rans$er Meters/.:.1 Meter Classi$ications

/.:.1.1 Scope

/.:.1.2 'eneral/.:.1.9 (pparatus

/.:.1.: #rocedure

/.:.1.< !emarks/.< olume Correlations

/.


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*Statistical Sampling #lans $or the eri$ication and !everi$ication o$ =lectricit6 and 'as

Meters 3LM)=')-:& section 9.- and :.-& Consumer and Corporate ($$airs Canada& Legal

Metrolog6 ranch 1@A/4.

*Speci$ications $or the Cali%ration& Certi$ication and Use o$ 'as Measuring (pparatus ) Sonic

+o,,le #rovers 3S)')-1)=& Measurement Canada& 2--1)12)-14.

*)*orksheets $or the Cali%ration& Certi$ication and Use o$ 'as Measuring (pparatus ) Sonic

+o,,le #rovers 3S)')-1)=& Measurement Canada& 2--1)12)-14.

+*0 (efinitions

Calibration

Comparison %eteen to instruments& measuring apparatus or standards& one o$ hich is

o$ knon accurac6. #er$ormed to detect& correlate& report& or eliminate %6 adustment an6

variation in accurac6 o$ the instrument or measuring apparatus o$ unknon accurac6.

Certification

( process hich ensures that a measuring apparatus has %een properl6 cali%rated&

properl6 installed $or its intended use& and that an accepta%le accurac6 correlation e7ists

%eteen it and a re$erence standard.

Certification esting

( speciali,ed $orm o$ cali%ration per$ormed according to $i7ed standards hich must %e

met prior to the issuance o$ the Measurement Canada proving s6stem certi$icate.

(irect Counting Gas Measuring Apparatus

( gas measuring apparatus hich determines meter error using register revolutions o$ the

meter under test.

2igh !oad &ate

8he term used to descri%e the $lo rate corresponding to 1:< D


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3nitial Certification

Certi$ication o$ gas measuring apparatus $or the $irst time.

!ocal 4olumetric #tandard

( master %ell prover or certi$ied trans$er prover located at or near the site o$ the gasmeasuring apparatus.

!o5 !oad &ate

8he term used to descri%e the $lo rate corresponding to :< D


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65ner

8he oner o$ the gas measuring apparatus to %e cali%rated and certi$ied or recerti$ied.

&ecertification

Certi$ication o$ a gas measuring apparatus su%se"uent to the initial certi$ication.

&elati"e 7rror

8he a%solute error o$ measurement divided %6 the true 3conventional4 value o$ themeasurand. 8he measurand is a "uantit6 su%ected to measurement.

ransfer Meter

( non)converting meter supplied %6 the oner $or the purposes o$ volume correlations on

the gas measuring apparatus.

4olume Correlation

8he process %6 hich a speci$ic volume registered %6 a trans$er meter or measured %6 a

gas measuring apparatus is related to or tracea%le to a local volumetric standard.

*0 #afet8

*1 #cope

8he purpose o$ this section is to descri%e the sa$et6 re"uirements and ha,ards hen per$orming

certi$ication testing and use o$ gas measuring apparatus ) sonic no,,le provers as related toSpeci$ication S)')-1)=.

* &e'uirements

( Measurement Canada inspector shall have su$$icient knoledge and e7perience to test andoperate gas measuring apparatus pursuant to the speci$ication. ?nspectors ill %e deemed

"uali$ied i$ the6 have su$$icient knoledge& training and e7perience ith various models and

t6pes o$ gas measuring apparatus ) sonic no,,le provers and the metrological theories to per$ormthat dut6 sa$el6 and properl6.

( "uali$ied Measurement Canada inspector is re"uired to %e aare o$ the $olloing sa$et6

documents5

314 Canada La%our Code& #art ??J


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324 !egulations respecting ;ccupational Sa$et6 and Health made under #art ?? o$ the Canada

La%our CodeJ

394 Sa$et6 and Health Committees and representatives regulationsJ

3:4 8reasur6 oard Manuals that outline the +ational Koint Council (greements as related toHealth and Sa$et6. 3#ersonnel Management Manual ol. 124J

3


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314 Making availa%le the speci$ication S)')-1)=& procedures and orksheets& upon re"uest.

324 Making availa%le the certi$ication re"uest $orm and accepting the completed re"uest.

394 (ssigning the gas measuring apparatus certi$ication testing to %e carried out %6 the local

inspection sta$$ o$ Measurement Canada.

3:4 =nsuring that all re"uired pre)testing has %een per$ormed %6 the oner o$ the gas measuring

apparatus. 8his should %e esta%lished %6 e7amining all the re"uired orksheets and test results.

3


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314 ;%taining and $orarding a completed device certi$ication re"uest to the local Measurement

Canada o$$ice.

324 =nsuring that the gas measuring apparatus is compliant ith all the re"uirements as stated insection :.


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the certi$ication o$ the gas measuring apparatus and the e7tent to hich additional certi$ication

tests must %e per$ormed. 8his decision ill %e made %6 the local o$$ice o$ Measurement Canada&

in consultation ith the !egional 'as Specialist andBor =ngineeringBLa%orator6 ivision.Measurement Canada ma6 limit the scope o$ certi$ication o$ a certi$ied gas measuring apparatus

%e$ore alloing the oner to proceed ith the stated modi$ication.

3114 #roviding trans$er meters o$ su$$icient sta%ilit6 and repeata%ilit6 to per$orm all tests re"uired

%6 this Speci$ication. (n6 testing re"uired to guarantee this re"uirement %eing met shall %eper$ormed %6 the oner.

3124 ( complete set o$ operating instructions $or the apparatus to %e certi$ied must %e made

availa%le to the Measurement Canada inspector prior to certi$ication testing. 8hese instructionsmust %e o$ su$$icient detail to allo the inspector to %e $amiliar ith the operation o$ the

apparatus.

3194 #roviding a suita%le leak test apparatus $or use to determine the leak test detection

capa%ilities o$ the gas measuring apparatus. 8he oner shall provide the necessar6 calculationsre$erenced to the local volumetric standard or other certi$ied standards to prove the oner

supplied leak test apparatus meets the speci$ied re"uirements.

*1* #tatement of intended use9

( statement o$ intended use must accompan6 the certi$ication re"uest $orm listed in the

procedures. 8he documentation re"uirements are listed in S)')-1)=.

)*0 Procdures for Assessing Metrological &e'uirements

)*1 General

)*1*1 #cope

8o ensure that all metrological re"uirements descri%ed in S)')-1)= are in compliance prior to the

commencement o$ the certi$ication testing.

)*1* Worsheet Pacage

8he $irst step in the certi$ication testing process is to produce a complete set o$ orksheets $or

each gas measuring apparatus to %e tested.

8he orksheet set is reproduced in the anne7 o$ these procedures. Folloing are speci$ic

instructions $or completing the $orms5

314 =ach orksheet is identi$ied ith to headers. 8he top header identi$ies the document& the

revision date and the num%ered header $or each sheet. 8his header aids in locating and using thecorrect sheet $or the testing %eing completed.


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324 8he second header is used to customi,e the orksheet package to the gas measuring

apparatus %eing tested. 8he second header must %e completed $or each sheet as testing proceeds.

8his header allos $or the use o$ multiple pages o$ the same orksheet as ill %e re"uired todocument the same test $or di$$erent meter t6pes. For e7ample& the orksheet $or $lo rate

testing contains su$$icient area $or 1 meter t6pe. ?$ 12 di$$erent meter t6pes are to %e testing& 11

additional copies o$ that orksheet must %e produced $or inclusion in the package.

8he completed original and additional sheets are placed in the package and num%ered& shoingthe orksheet page and total num%er o$ pages in that section. Using the e7ample a%ove& the

pages ould sho 1 o$ 12& 2 o$ 12& and 9 o$ 12.

)*1*+ Calibration &eference #tandards

(ll re$erence standards used in the certi$ication o$ gas measuring apparatus must %e certi$ied %6an approved la%orator6. ?ncluded in the orksheet package are sections that re"uire this

in$ormation.

)* Procedures :or Assessing 7n"ironmental &e'uirements

)**1 emperature

)**1*1 #cope

8he purpose o$ this procedure is to ensure that the am%ient temperature surrounding the gas

measuring apparatus is ithin the re"uirement set out in the speci$ication. 8he procedure relatesto section


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314 8he procedure ma6 %e repeated during the course o$ the certi$ication testing i$ it appears that

the temperature is $luctuating to the e7tent that it ma6 %e outside the speci$ied limits.

324 ?$ more than 1 gas measuring apparatus is re"uested $or certi$ication testing& ithin the sameproving roomJ the temperature testing procedure must %e completed $or each gas measuring

apparatus $or hich certi$ication testing has %een re"uested.

394 8he temperature test must %e completed once& regardless o$ the num%er o$ meter proving

methods re"uested %6 the oner.

)** 2umidit8

)***1 #cope

8he purpose o$ this procedure is to ensure that the humidit6 o$ the air %eing used %6 the gas

measuring apparatus is ithin the re"uirement set out %6 the manu$acturer. 8he procedure relates

to section


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)*+ Procedures :or Assessing Mechanical &e'uirements

)*+*1 !ea ests

)*+*1*1 6perational !ea ests

)*+*1*1*1 #cope

8he purpose o$ this procedure is to ensure that the leak detection mode o$ the gas measuring

apparatus is a%le to detect leaks accuratel6 and repeatedl6. 8he procedure relates to section


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3:4 8he operation leak test must %e completed once regardless o$ the num%er o$ meter proving

methods re"uested %6 the oner.

)*+* :lo5 &ate ests

)*+**1 #cope

8his procedure relates to section


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3124 Compare $lo rates determined %6 testing to the nominal $lo rates $or the t6pe o$ meter

%eing tested using the $olloing $ormula5

3194 !ecord percent variance. Calculated percent variance must %e less than


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Measured $lo rate

/@.9< cu%ic $eet per hour

# 33/@.9< ) 09.-4B1/-4 7 1-- ) 2.2AE

)*+*+ &egister 4erification

)*+*+*1 #cope

8he purpose o$ this procedure is to ensure that& i$ so e"uipped& the gas measuring apparatus iscapa%le o$ accuratel6 determining i$ a pro%lems e7ists ith the meter register. 8he procedure

relates to section


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)* Meter Classifications and ransfer Meters

)**1 Meter Classifications

)**1*1 #cope

8he purpose o$ this procedure is to descri%e the methodolog6 used in grouping meter t6pes into

classes or classi$ications. 8he procedure relates to section


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)**1* General

8he procedure involves per$orming volume correlation& comparing the results o%tained on the

gas measuring apparatus undergoing test to the local volumetric standard.

)**1*+ Apparatus

Calculator

8rans$er meters

)**1* Procedure

314 Using the local volumetric standard& per$orm / tests at %oth the lo load rate and the high

load rate.

324 etermine x$or each load rate.

394 etermine the lo and high $lo rate o$ the trans$er meter& as determined on the local

volumetric standard.

3:4 !ecord results.

3


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8he purpose o$ this procedure is to descri%e the procedures concerning the correlation to the

local volumetric standard using trans$er meters cali%rated as speci$ied in Speci$ication clause


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)**+*1*1 #cope

8he purpose o$ this procedure is to descri%e the procedures utili,ed in testing other modes o$operation. 8he procedure relates to section


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31-4 8he $lo rates as determined on the local volumetric standard and the gas measuring

apparatus must meet the re"uirements shon in section


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