CONTENTS目錄1Scope-----------------------------------------------------------------31.適用范圍2Normativereferences---------------------------------------------------32.規范性引用文件3Termsanddefinitions--------------------------------------------------43.術語和定義4Listofmeasurements---------------------------------------------------94.測量清單4.1Dimensionsandmass------------------------------------------------94.1尺寸和質量4.2Cookingzonesandcookingareas------------------------------------94.2烹飪區域和面積4.3Cleaning-----------------------------------------------------------94.3清洗5Generalconditionsforthemeasurements--------------------------------95.測量的一般條件5.Z1Introduction------------------------------------------------------95.Z1引言5.1Testroom---------------------------------------------------------105.1實驗室5.2Electricitysupply------------------------------------------------105.2電力供應5.3Instrumentation---------------------------------------------------115.3儀器儀表5.4Positioningtheappliance-----------------------------------------125.4安裝配置器具5.5Initialconditions------------------------------------------------125.5初始條件6Dimensionsandmass---------------------------------------------------126.尺寸和質量6.1Overalldimensions------------------------------------------------126.1外形尺寸6.2Cookingzonesperhob---------------------------------------------146.2爐面烹飪區域6.2.Z1Numberofcookingzonesperhob--------------------------------146.2.Z1爐面烹飪區域數量6.2.Z2Dimensionsofcookingzones------------------------------------156.2.Z2烹飪區域外形尺寸6.3Levelofsolidhotplates------------------------------------------156.3電磁爐平面度6.4Distancebetweencookingzones------------------------------------176.4烹飪區之間的距離6.5Massoftheappliance---------------------------------------------176.5器具的質量7Cookingzonesandcookingareas---------------------------------------177.烹飪區域7.Z1General----------------------------------------------------------177.Z1一般要求7.1Energyconsumptionandheatinguptime----------------------------187.1能耗與加熱時間7.2Abilitytocontrolthetemperatureofaload----------------------357.2控制的溫度荷載的能力7.3Heatdistribution-------------------------------------------------367.3熱量分布7.4Heatperformanceofhobs------------------------------------------397.4爐灶熱性能7.5Smallestdetecteddiameter----------------------------------------427.5可檢測到的最小直徑8Standbypower---------------------------------------------------------458.待機功耗9Consumptionmeasurementoflowpowermodes----------------------------469.低功率模式耗電量測量AnnexA(normative)Shadechart-----------------------------------------48附錄AAnnexB(informative)Addressesofsuppliers----------------------------51附錄BBibliography------------------------------------------------------------53參考文件1Scope1.適用范圍ThispartofIEC60350definesmethodsformeasuringtheperformanceofIEC60350的這部分定義了家用電灶的性能測試方法。electrichobsforhouseholduse.NOTE1Appliancescoveredbythisstandardmaybebuilt-inorforplacingonaworking備注1：本標準所涉及的器具可內置或放置在工作臺面或直接放置在地面進行工作。爐灶也可以surfaceorthefloor.Thehobcanalsobeapartofacookingrange.是烹飪區域的一部分。NOTE2Thisstandarddoesnotapplyto備注2：本標準不適用于便攜式電器的烹飪，燒烤和其他類似功能(IEC61817)-portableappliancesforcooking,grillingandsimilarfunctions(IEC61817).Thisstandarddefinesthemainperformancecharacteristicsoftheseappliances本標準定義了用戶感興趣的這些器具主要性能特征并指定這些性能特征的測試方法。whichareofinteresttotheuserandspecifiesmethodsformeasuringthesecharacteristics.NOTE3Someofthetestswhicharespecifiedinthisstandardarenotconsideredtobe備注3：由于實驗室不同導致的結果不同，此標準中制定的測試并不認為是可重復的，僅適用于比reproduciblesincetheresultsmayvarybetweenlaboratories.Theyarethereforeintended較性測試。forcomparativetestingpurposesonly.Thisstandarddoesnotspecifyrequirementsforperformance.此標準未指定性能要求。NOTE4Thisstandarddoesnotdealwithsafetyrequirements(IEC60335-2-6andIEC60335-2-9).備注4：此標準不按照安全要求(IEC60335-2-6和IEC60335-2-9)進行處理。2Normativereferences2.規范性引用文件Thefollowingreferenceddocumentsareindispensablefortheapplicationof以下引用文檔是不可或缺的。對于老版引用，僅引用版本適用。對于未標明日期的thisdocument.Fordatedreferences,onlytheeditioncitedapplies.For最新版的引用的文件(包括任何修正案)適用。Undatedreferences,thelatesteditionofthereferenceddocument(includingAnyamendments)applies.EN50564:2011,ElectricalandelectronichouseholdandofficeequipmentEN50564-2011電器及電子家用和辦公設備.低功耗的測量(IEC62301-2011修訂–Measurementoflowpowerconsumption(IEC62301:2011,mod.)版本)。HD60364-5-54,Low-voltageelectricalinstallations–Part5-54:SelectionHD60364-5-54,低壓電氣裝置.第5-54部分:電氣設備的選擇和安裝.接地安排和anderectionofelectricalequipment–Earthingarrangementsandprotective保護導體(IEC60364-5-54)。conductors(IEC60364-5-54)ENISO80000-1:2013,Quantitiesandunits–Part1:General(ISO80000-1-:ENISO80000-1:2013，數量和單位-第1部分:通用(ISO80000-1:2009+Cor1:2011)2009+Cor1:2011)EN10088-2,Stainlesssteels—Part2:Technicaldeliveryconditionsforsheet/plateandstripofcorrosionresistingsteelsforgeneralpurposes.3Termsanddefinitions3.術語和定義Forthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.對于本文檔，以下術語和定義適用。3.13.1cookingrange烹飪范圍appliancehavingahobandatleastoneoven.Itmayincorporateagrill器具有一個灶臺和至少一個烤箱。它可以合并成一個烤架。NOTEMethodsformeasuringperformanceofovensaredescribedinIEC60350-1.備注：烤箱的性能測量方法在IEC60350-1有所描述。3.23.2hob灶臺applianceorpartofanappliancewhichincorporatesoneormorecooking包含一個或多個烹飪區和/或烹飪區域的器具或器具的一部分有一個控制單元。zonesand/orcookingareasincludingacontrolunitNote1toentry:Ahobisalsoknownasacooktop.輸入資料注意事項1：灶臺也可以叫做爐灶面Note2toentry:Thecontrolunitcanbeincludedinthehobitselforintegratedina輸入資料注意事項2：控制單元可以被包含在灶臺本身或集成在一個烹飪范圍內。cookingrange.3.33.3cookingzone烹飪區域cookingzonehaslimitativemarkingsonthesurfaceofahoborattachedto灶臺上在放置炊具和加熱炊具位置的烹飪區域表面有限制標記。Itwherecookwareisplacedandheated.Note1toentry:Cookingzoneswhichareusedwithoutcookwarebutbypositioningthe輸入資料注意事項1：不包括在烹飪區域上不放置鍋具，但直接在表面放置食物。fooddirectlyonthesurfacearenotincluded.Note2toentry:Acookingzonecanbe輸入資料注意事項2：烹飪區域如下：–singlezoneandmultiplezones(see3.3.Z1);-單個和多個區域（見3.3.Z1）–asolidhotplate(see3.3.Z2);-盤式電熱爐–atubularhotplate(see3.3.Z3);-管式電熱爐（見3.3.Z3）–aradiantcookingzone(see3.3.Z4);-輻射式烹飪區域（見3.3.Z4）–ainductioncookingzone(see3.3.Z5).-感應式烹飪區域（見3.3.Z5）3.3.Z13.3.Z1singlezoneandmultiplezones單個和多個區域cookingzonemarkedassinglezoneforonecookwaresizeorasmultiplezones烹飪區域標記為對于一個炊具大小的單個區域或一個以上炊具大小和形狀的多區域formorethanonecookwaresizeandshapeNote1toentry:Amultiplezonecanbecircular,ellipticaloracombination.輸入資料注意事項1：多個區域可以是圓形，橢圓形或組合型。Note2toentry:AnexampleforthedesignofamultiplezonesisshowninAnnexZD.輸入資料注意事項2：過個區域的設計舉例見附件ZD.3.3.Z23.3.Z2solidhotplate發熱盤式電熱爐cookingzonehavingaclosedsurfacewhichisusuallyconstructedfromcast烹飪區域通常是由鑄鐵形成封閉的表面，有一個集成的加熱元件。ironwithanintegratedheatingelement.3.3.Z33.3.Z3tubularhotplate發熱管式電熱爐cookingzonehavingasurfacewhichisformedbytheconfigurationofa烹飪區域由管式加熱的加熱元件在一個平面上形成。tubularheatedheatingelementinasubstantiallyflatplane.3.3.Z43.3.Z4radiantcookingzone電陶爐cookingzoneonwhichthepanisheatedbymeansofaradiantheatingelement通過玻璃陶瓷板下的輻射加熱元件對烹飪區域上的鍋進行加熱。加熱器可以有一個belowtheglassceramic.Heatercouldhaveaheatingribbon,heatingspiral加熱帶、加熱用螺旋線、石英玻璃鎢絲燈或這些的組合。oratungstenwirewhichislocatedinaquartzglassbulborcombinationofthese3.3.Z53.3.Z5inductioncookingzone電磁加熱區域cookingzoneonwhichthepanisheatedbymeansofaninductionelementbelow通過玻璃陶瓷板或其他類似材料下的電磁感應線圈對加熱區域上的鍋進行加熱，theglassceramicorsimilar.Theeddycurrentsareinductedinthebottomof磁場在鍋的底部形成渦流進行加熱。thepanbymagneticfield.Z13.Z1cookingarea烹飪范圍areaheatedbyaninductedmagneticfieldwherecookwareisplacedfor放置的鍋具可以被感應磁場加熱的范圍，如下描述：heating,andthatcanbe–anareawherenoclearlimitativemarkingsforcookwarearevisibleonthe--在灶臺表面沒有可見的對鍋具的明顯限制標記或surfaceofthehobor–anareamarkedtoshowthelimitswheremorethanonecookwarecanbeused--有限制區域標記,可以同時使用多個炊具。在同一時間可以分別控制放置在不同simultaneously.Thecookwarepiecescanbeusedandcontrolledseparately加熱區域的鍋具工作。此外烹飪區域可以使用組合型廚具。fromeachotheratthesametime.Additionallythecookingareacanbeusedcombinedforonecookware.Note1toentry:Thecookingareacouldbealsousedcombinedforonebigcookwarepiece輸入資料注意事項1：即使有多個控制，烹飪范圍也可以結合使用較大炊具evenifthereismorethanonecontrol.Note2toentry:Cookingareaswhichareusedwithoutcookwarebutbypositioningthe輸入資料注意事項2：不包括在烹飪范圍內不放置鍋具，但直接在表面放置食物。fooddirectlyonthesurfacearenotincluded.Note3toentry:Therecouldbeadecorationsymbol,e.g.acrossonthesurfacetomark輸入資料注意事項3：可以有裝飾的符號，如在表面上標記一個十字架用于標記烹飪的中心區域thecenterofthecookingarea.3.Z23.Z2control控制controlisapartofthehobindependentfromtechnicalsolution(e.g.knobs,控制是灶臺的獨立的技術解決方案的一部分（如按鈕、觸摸控制等）。對于每一個touchcontrolsetc).Thepowerandthetemperaturerespectivelyofthe加熱區域上的鍋具可以分別控制調節功率和溫度。cookingzoneorcookingareacanbeadjustedbythecontrolforonepieceofcookwareNote1toentry:Thepowerisgenerallyindicatedasnumbers,butalsotemperaturevalues輸入資料注意事項1：功率值一般使用數字進行標示，溫度值和符號也可以使用。控制部分也可andsymbolsarepossible.Thecontrolcanalsobeoutsideofthehobintegratedina以是在灶臺之外的一個單獨的器具或者是內置在烤箱中的一部分。separatedeviceorpartofabuilt-in-oven.3.Z33.Z3warmingzone保溫區warmingzoneisusedforkeepingfoodwarm.Itsintentionforuseisnot保溫區用來保持食物的溫度。使用它的目的不是用來烹飪。cookingNote1toentry:Normallyonepowersettingexists–onandoff.輸入資料注意事項1：通常只有一個功率設置--開/關3.Z43.Z4maximumpower最大功率maximumpossiblepowersettingifonlyonecookwareisused如果只使用一個鍋具可使用最大功率模式。Note1toentry:Boostfunctionisconsidered輸入資料注意事項1：可考慮增加功能。3.Z53.Z5settooffmode關機模式設置actionwheretheproductisswitchedoffusingappliancecontrolsorswitches在使用者正常使用中使用電器控制功能或者開關進入關機模式從而達到最低功耗的thatareaccessibleandintendedforoperationbytheuserduringnormaluse功能，使器具連接到主電源上的持續時間不長，按照制造商的指示說明使用。toattainthelowestpowerconsumptionthatmaypersistforanindefinitetimewhileconnectedtoamainpowersourceandusedinaccordancewiththemanufacturer’sinstructionsNote1toentry:Allactionsrequiredtosettooffmodelikeforexampleremovethe輸入資料注意事項1：對于所有的操作都需要有可以關閉電磁爐的功能，例如移除鍋具等。cookwareetchavetobetaken.Note2toentry:Fordefinitionofoffmode,EN50564:2011isrelevant.輸入資料注意事項2：關機模式的定義，相關標準EN50564:2011。3.Z63.Z6settostandbymode設置待機模式actionwheretheproductisswitchedtostandbyusingappliancecontrolsor在使用者正常使用中用于使用電器控制功能或者開關進入待機狀態從而達到最低功耗switchesthatareaccessibleandintendedforoperationbytheuserduring的功能，使連接到主電源上的持續時間不長，并按照制造商的指示說明使用。normalusetoattainthelowestpowerconsumptionthatmaypersistforanindefinitetimewhileconnectedtoamainpowersourceandusedinaccordancewiththemanufacturer’sinstructionsNote1toentry:Fordefinitionofstandbymode,EN50564:2011isrelevant.輸入資料注意事項1：待機模式的定義，相關標準EN50564:2011。4Listofmeasurements4測試清單4.1Dimensionsandmass4.1尺寸和質量Thefollowingmeasurementsarecarriedout:進行以下測試：–overalldimensions(see6.1);-外形尺寸（見6.1）–cookingzonesperhob(see6.2);-灶臺烹飪區域（見6.2）–levelofsolidhotplates(see6.3)-盤式電爐的平面度（見6.3）–distancebetweenthecookingzones(see6.4);-烹飪區域間距（見6.4）4.2Cookingzonesandcookingareas4.2烹飪區域與范圍–energyconsumptionandtimeforheating(see7.1andAnnexZA).-能耗與加熱時間（見7.1與附錄ZA）–abilitytocontrolthetemperatureofaload(see7.2);-負載溫度控制能力（見7.2）–heatdistribution(see7.3);-熱量分布（見7.3）–heatperformanceofhobs(see7.4);-灶臺熱性能（見7.4）–smallestdetecteddiameterforinductionhobs(see7.5).-電磁感應灶臺可檢測的最小直徑（見7.5）4.3Cleaning4.3清潔–Spillagecapacityofhobs(seeClause9).-灶臺溢水實驗（見第9條）5Generalconditionsforthemeasurements5測試的一般條件5.Z1Introduction5.Z1簡介Unlessotherwisespecified,themeasurementsaremadeunderthefollowing除非另有規定，應在如下條件下進行測量。conditions.Ifnumbershavetoberounded,theyshallberoundedtothenearestnumber若數據的循環的，根據ENISO80000-1:2013,B.3,RuleB應將他們四舍五入為accordingtoENISO80000-1:2013,B.3,RuleB.Iftheroundingtakesplace最接近的數據。若數據循環部分在設局分隔符右側，省略數字的地方不能全部是零。totherightofthecomma,theomittedplacesshallnotbefilledwithzeros.5.1Testroom5.1測試室Thetestsarecarriedoutinasubstantiallydraught-freeroominwhichthe測試實驗室內無氣流，環境溫度為(20±5)°C。laboratoryambienttemperatureismaintainedat(20±5)°C.Fortest7.1,(23±2)°Cshallbemaintainedduringthecompletetest.對于7.1條測試，要求在(20±5)°C條件下完成測試。Thisambienttemperatureismeasuredatapointthatisatthesameheightas環境溫度測試點為:與家用電器工作高度相同，距離家用電器前段斜對角距離0.5mthehobpositionedatworkingheightandatadistanceof0,5mdiagonallyfromoneofthefrontedgesoftheappliance,NOTETheworkingheightisbetween800mmand1000mmnormally.備注：爐灶的工作高度通常在800mm-1000mm之間。Themeasurementoftheambienttemperatureshallnotbeinfluencedbythe測試的環境溫度應不影響到測試器具或其他器具。applianceitselforbyanyotherappliance.Theabsoluteairpressureshallbe913hPato1063hPa.測試氣壓為：913hPa-1063hPa。5.2Electricitysupply5.2電力供應Theapplianceissuppliedatratedvoltage,±1%.電源提供的電壓為額定電壓的±1%。Iftheappliancehasaratedvoltagerange,thetestsarecarriedoutatthe若器具有額定電壓范圍，測試在國家規定的額定電壓下進行。nominalvoltageofthecountrywheretheapplianceisintendedtobeused.Fortest7.1,thesupplyvoltageshallbemaintainedatthemainterminalat對于7.1，電源電壓應保持在供應商定義的安裝指南的主電源端電壓為230V±1%orat400V±1%asdefinedbythemanufacturer'sinstallation230V±1%或400V±1%。guide,whiletheheatingelementsareswitchedon.Thesupplyfrequencyshallbeatanominal50Hz±1%.Thesupplyvoltageshallbeessentiallysinusoidal.電源電壓應基本上是正弦電壓。NOTEIncaseofafixedcable,theplug(ortheendofthecable)isthereferencepoint備注假若是固定線纜，插頭（或線纜的端口）作為維持電壓的參考點。tomaintainthevoltage.5.3Instrumentation5.3使用儀器Instrumentsusedandmeasurementsmadeforthisdocumentshallcomplywith本文檔中使用的儀器以及量具應符合以下規范。thefollowingspecifications.TableZ1–Instruments表格Z1–儀器ParameterUnitMinimumresolutionMinimumaccuracyAdditionalrequirementsMass(7.1)g0,5g≤1000g±1g>1000g±3gTemperature–ambienttemperature°C0,1°C±1K3mmsteeltube–temperature,waterload(7.1)°C0,1°C±0,5KTimes1s±1sEnergyWh-±1%Veryquickelectronicon/offperiodsshallbetakenintoaccountbyMeasurementtechniquesAirpressurehPa1hPa±1%VoltageV-±0.5%-Temperatureandenergyconsumptionmeasurement(7.1)ForClause8,thepowerMeasurementrequirementsshallbeinaccordancewithEN50564----samplingrate≤1s(digitalmeasurementdata)AccordingtoEN50564參數單位最小分辨率最低精度其他要求質量(7.1)g0,5g≤1000g±1g>1000g±3g溫度–環境溫度°C0,1°C±1K–水溫(7.1)°C0,1°C±0,5K3mm鋼管時間s1s±1s能耗Wh-±1%測量技巧需將短時間的開關時間大氣壓hPa1hPa±1%電壓V-±0.5%-溫度與能耗的測量(7.1)對于條款８，功率測量要求應符合EN50564----數據采樣率≤1S（數字儀器測量）根據標準EN50564NOTETherequiredaccuracyoftemperaturemeasurementinthewaterload(7.1)canbe備注使用水負載測量所需溫度的準確性可以實現溫度校準測試，或根據EN60751加裝PT100.fulfilledbycalibratingtemperaturemeasurementorforinstancebyaPT100accordingtoEN60751.5.4Positioningtheappliance5.4器具配置Built-inappliancesareinstalledinaccordancewiththeinstructionsfor按照安裝說明進行內置電器的安裝，除非另有指令說明，其他電器背靠墻進行放置。installation.Otherappliancesareplacedwiththeirbackagainstawall,unlessotherwisespecifiedintheinstructions.Floor-standingappliancesarepositionedbetweenkitchencabinets.Table-top地面站立式器具應放置在櫥柜之間，桌上型器具應遠離側墻放置。appliancesarepositionedawayfromsidewalls.5.5Initialconditions5.5初始條件Theapplianceshallbeatlaboratoryambienttemperatureatthebeginningof在每個測試開始玩前，器具應在實驗室環境溫度下。eachtest.Forcedcoolingmaybeusedtoassistinreducingthetemperature.強制性冷卻可以用來幫助降低溫度。6Dimensionsandmass6尺寸和質量6.1Overalldimensions6.1外形尺寸Theoveralldimensionsoftheappliancearemeasuredandstatedin器具的外形尺寸測量及說明以毫米計量，如下所述：millimetersasfollows:–cookingrangesandotherappliancesplacedonasurfacearemeasuredas-烹飪范圍及其他電器的測量放置在如圖1所示的表面進行；showninFigure1;–built-inhobsaremeasuredasshowninFigure2.-內置灶臺如圖2所示進行測量。Key要點a1heightfromthesupportingsurfacetothehobsurfacea1支撐面與灶面板之間的高度NOTEIfadjustablefeetareprovided,theheightismeasuredwiththefeetinboth備注如果支撐腳是可調的，高度的測量根據腳的最大距離測量extremepositions.b2overallwidthoftheapplianceb2器具的整體寬度a2maximumheightfromthesupportingsurfacetotheuppermostpartoftheappliance,witha2最大高度的測量為從支撐面到器具頂端，在蓋子開啟你的位置。Anylidintheopenpositionc1depthoftheappliance,ignoringanyknobs,etc.c1器具的深度，忽略所有的旋鈕等。c2maximumdepthoftheappliance,withanydoorsanddrawersfullyopenc2器具最大深度，所有門與抽屜全部開啟。Figure1–Dimensionsofappliances圖1-器具的尺寸Key要點a1depthofthehoba2灶臺深度b1widthofthehobb2灶臺寬度c1heightofthehobontheoutsideofthekitchenfurniturec2在廚房家具外使用的灶臺的高度c2heightofthehobontheinsideofthekitchenfurniturec2在廚房家具內使用的灶臺的高度a2depthofthehobontheinsideofthekitchenfurniturea2在廚房家具內使用的灶臺的深度b2widthofthehobontheinsideofthekitchenfurnitureb2在廚房家具內使用的灶臺的寬度Figure2–Dimensionsofbuilt-inhobs圖2-內置灶臺的尺寸6.2Cookingzonesperhob.6.2每個灶臺的加熱區域6.2.Z1Numberofcookingzonesperhob6.2.Z1每個灶臺加熱區域的數量Thenumberofcookingzonesisdeterminedbythemaximumnumberofcontrols烹飪區域的數量定義為在同一時間內可以操作的控制數量。whichcanbeoperatedindependentlyallatthesametime.Thenumberofcontrolsperhobisnoted.每個灶臺的控制部分數量需明顯標記。6.2.Z2Dimensionsofcookingzones6.2.Z2烹飪區域尺寸Themaindimensionsaredeterminedasfollows.主要尺寸確定如下。Themaindimensionsofcookingzonesaredeterminedbymeasuringthemarked烹飪區域的主要尺寸定義為在表面上確定的標志區域。對于圓形加熱區域，測量areaonthesurface.Forcircularcookingzones,thediameterofthelargest圓的最大直徑。markedcircleismeasured.Formultiplezones,thedimensionforeachsizeismeasured.對于多個加熱區域，測量每個大小區域的尺寸。Forsolidhotplates,thediameterofthesurfaceintendedtocomeintodirect對于盤式電爐，表面直徑的測量要直接接觸平底鍋的底部進行。contactwiththebottomofsaucepansismeasured.Fortubularhotplates,thediameterofthelargestperipheryexcludingany對于管式電熱爐，測量不包含主要部分的外圍最大直徑。leadingsectionismeasured.Ifthecookingzonesarenotcircular,thedimensionsaredeterminedas若烹飪區域不是圓形的，尺寸的確定如下所述：follows:–forrectangularandsimilarshapes,thelengthsofthesidesaremeasured;-對于矩形和類似的形狀，測量兩邊的長度；–forellipticalandsimilarshapes,themajorandminordimensionsare-對于橢圓和類似的形狀，測量長軸和短軸長。measured.NOTEThedimensionofaradiantorinductioncookingzoneisdeterminedbytheprinting備注印刷在表面獨立的輻射或電磁感應加熱區域尺寸是由加熱元件的大小確定的onthesurfaceindependentfromthesizeofheatingelement.Thedimensionsareindicatedinmillimeters.尺寸測量用毫米表示。6.3Levelofsolidhotplates6.3發熱盤式電爐平面度Cookingrangeswithadjustablefeetandhobsareinstalledwiththeperimeter可調支撐腳和灶臺的烹飪范圍安裝在灶臺周邊水平表面。ofthehobsurfacehorizontal.Adeviceconsistingofadiscandanannularringisplacedcentrallyonthe由圓盤和環形圈組成的器具集中放置在盤式電爐中央。在環形區域中央放置一個solidhotplates.Aspiritlevelisplacedcentrallyonthering,asshownin水平尺，如圖3所示。Figure3.Figure3–Deviceforcheckingthelevelofsolidhotplates圖3-檢查盤式電爐平面度的設備Amassof3kgisplacedoneachoftheremainingsolidhotplates.在剩余的發熱盤式電爐上放置3kg的重物。Thespiritlevelisrotatedtothepositionwhereitshowsthemaximum水平儀在水平面上顯示的最大傾角的位置旋轉。在水平面和圓圈之間利于水平面inclinationfromthehorizontal.Itslowersideisthenliftedtothe的一側插入塞規。horizontalbyinsertingafeelergaugebetweenthelevelandthering.Themeasurementiscarriedoutoneachsolidhotplate.測量在每個發熱盤式電爐上進行。Thedeviationfromthehorizontalisgivenbythethicknessofthegauge,in水平偏移量使用量規進行厚度測量，單位為毫米，保持兩位小數。將它表示為百millimeters,totwodecimalplaces.Itisexpressedasapercentage,rounded分比，并四舍五入接近于0.1%。tothenearest0,1%.NOTEThedirectconversionfrommillimeterstopercentageispossibleduetothering