工業(yè)熱電阻安裝說明書

1、WZ口系列工業(yè)熱電阻WZseriesofindustrialthermalresistance安裝使用說明書安裝使用說明書InstallationManual上海辰心儀表有限公司ShanghaiChenxinInstrumentsCo.,LtdWZ口系列工業(yè)熱電阻安裝使用說明書概述WZ口系列工業(yè)熱電阻是我廠生產(chǎn)的溫度傳感器中的一個(gè)系列，它測溫的精度較熱電偶高，與顯示儀表配套，以直接測量生產(chǎn)過程中-200+600范圍內(nèi)的液體、氣體介質(zhì)以及固體表面等的溫度。它廣泛用于石油、化工、機(jī)械、冶金、電力、輕紡、食品、原子能、宇航等工業(yè)部門和科技領(lǐng)域。工作原理熱電阻的作用是利用物質(zhì)在溫度變化時(shí)本身電阻也隨著

2、發(fā)生變化的特性來測量溫度。選擇.根據(jù)測量的范圍和對象，選擇適當(dāng)?shù)墓I(yè)熱電阻型號以及保護(hù)管材料，熱電阻的“最高使用”壓力不可超過在該工作溫度下保護(hù)管所能承受的壓力。.選用工業(yè)熱電阻的分度號必須與顯示儀表的分度號一致。.除雙支式的工業(yè)熱電阻外，在不使用切換開關(guān)的情況下，每支工業(yè)熱電阻不可同時(shí)和兩支顯示儀表連接使用。工業(yè)熱電阻的基本性能1.在0時(shí)公稱電阻值（Ro）及測溫允差（見下表）:型號分度號0c時(shí)的公稱電阻值R（0）（）電阻比R100/R(0)測溫范圍、精度等級和允差測溫范圍（）精度等級和允差WZPPT10101.3850陶瓷元件：-200+600玻璃元件：-200+500云母元件：-100+4

3、20A級：土(0.15+0.2%1tI)B級：土(0.3+0.5%|t|)PT100100WZC分度號0時(shí)的電阻值R（0）電阻比R100/R(0)測溫范圍、精度等級和允差測溫范圍（）精度等級和允差Cu5050.0000.051.42800.0020-50+100(0.30+0.006|t|)Cu100100.000.10備注分度號為Cu100的銅熱電阻和分度號為PT10的般若電阻需協(xié)議供貨注：1）|t|為被測溫度的絕對值。2）分度號為Pt10、Pt100的工業(yè)鉑電阻符合ZBY301-85工業(yè)鉑熱電阻技術(shù)條件及分度表標(biāo)準(zhǔn)。3）分度號為Cu50、Cu100工業(yè)銅電阻符合ZBNI1010-88工業(yè)銅

4、電阻技術(shù)條件及分度表標(biāo)準(zhǔn)。.WZ口系列工業(yè)熱電阻的常溫絕緣電阻.工業(yè)鉑熱電阻的常溫絕緣電阻值應(yīng)不小于100MQ。.工業(yè)銅熱電阻的常溫絕緣電阻應(yīng)不小于50MQ。常溫絕緣電阻的試驗(yàn)電壓為1010010VDC（環(huán)境溫度應(yīng)在1535范圍內(nèi)，相對濕度不大于80%）。.WZ口系列工業(yè)熱電阻的熱響應(yīng)時(shí)間保護(hù)管直徑（d）保護(hù)管材料熱響應(yīng)時(shí)間（秒）T0.512黃銅H62碳鋼20#309016不銹鋼0Cr18Ni12M02Ti不銹鋼1Cr18Ni9Ti3090錐形保護(hù)管不銹鋼1Cr18Ni9Ti90180銅熱電阻12黃銅H62碳鋼20#不銹鋼1Cr18Ni9Ti180.WZ口系列工業(yè)熱電阻的長度規(guī)格（單位：mm）

5、1）012保護(hù)管規(guī)格（總長L）有：225，250，300，350，400，450，550，650，900，1150。2）g16保護(hù)管規(guī)格（總長L）有：300，350，400，450，500，650，900，1150，1650，2150。.錐形保護(hù)管（總長L）有：225，250，300，350，400。注：WZ口系列工業(yè)熱電阻的插入長度1=L-150mm。安裝.工業(yè)熱電阻的安裝地點(diǎn)，應(yīng)避免安裝在爐門旁邊和避免與加熱物體距離過近之處。.工業(yè)熱電阻的接線盒不可碰到被測介質(zhì)的容器壁，接線盒的溫度不宜超過100，并盡可能地保持穩(wěn)定不變。.工業(yè)熱電阻的插入深度，浸入被測介質(zhì)中的長度應(yīng)不小于保護(hù)管外徑的10

6、倍。使用注意事項(xiàng).連接導(dǎo)線應(yīng)采用絕緣（最好是屏蔽）銅線，截面積視工業(yè)熱電阻與顯示儀表間的距離而定，但一般不得小于1.5mm2。導(dǎo)線的電阻值應(yīng)按顯示儀表技術(shù)條件規(guī)定的數(shù)據(jù)配準(zhǔn)（一般為515。），導(dǎo)線的電阻值可用惠斯頓電橋來調(diào)整。.增加被測介質(zhì)的循環(huán)，使工業(yè)熱電阻與被測介質(zhì)間的對流傳熱增加。.當(dāng)工業(yè)熱電阻用來測量變化的溫場時(shí)，常有動(dòng)態(tài)誤差的存在，請注意選用具有適當(dāng)熱響應(yīng)時(shí)間的工業(yè)熱電阻，因?yàn)闊犴憫?yīng)時(shí)間的大小是決定動(dòng)態(tài)誤差大小的主要因素，并與之成正比，它對溫度的自動(dòng)調(diào)節(jié)和控制起著相當(dāng)重要的作用。.根據(jù)用戶需要，我廠可為用戶提供各種要求特殊性能規(guī)格和尺寸的工業(yè)熱電阻?？蓙砣藖砗?lián)系以技術(shù)協(xié)議的形式供貨

7、。運(yùn)輸與保存工業(yè)熱電阻在安裝使用前，應(yīng)保存在不受震動(dòng)和碰撞的地方。最合適的存放場所條件為：環(huán)境溫度為-20+40。相對濕度不大于80%的通風(fēng)室內(nèi)。且不含有對工業(yè)熱電阻起腐蝕作用的有害雜質(zhì)?？赡馨l(fā)生故障和修理序號故障現(xiàn)象可能原因修理方法1顯示儀表指示值比實(shí)際值低或示值不穩(wěn)定保護(hù)管或接線盒內(nèi)有水、金屬屑、灰塵或熱電阻短路（1）倒出水或消除灰塵，并將潮濕部分加以干燥處理（不得用火烤）、提高絕緣性能。（2）用萬能表檢查短路或界限地部分，并消除之，如系感溫元件短路，應(yīng)進(jìn)行修復(fù)或更換。2顯示儀表指示值無限大熱電阻短路（1）叫用表檢查短路部位，確定是連接導(dǎo)線還是感溫元件短路。（2）如系連接導(dǎo)線短路，可以更換

8、或修復(fù)。（3）如系感溫元件短路，應(yīng)進(jìn)行更換3顯示儀表指針反向標(biāo)尺下限值（1）熱電阻短路（2）與現(xiàn)實(shí)表接線接錯(cuò)（1）用萬用表確定短路部位，并消除之，如系感溫元件短路，應(yīng)進(jìn)行修復(fù)或更換。（2）重新連接導(dǎo)線。補(bǔ)充說明產(chǎn)品驗(yàn)收：收到本產(chǎn)品后，請及時(shí)按產(chǎn)品國家標(biāo)準(zhǔn)或我廠標(biāo)準(zhǔn)規(guī)定的出廠檢驗(yàn)項(xiàng)目驗(yàn)收。若有質(zhì)量問題，請于收貨之日起一個(gè)月內(nèi)（以用戶來函郵戳日期為準(zhǔn)）函告我廠，我廠將及時(shí)受理。逾期則視為已驗(yàn)收合格。seriesofindustrialthermalresistanceinstallationManualOverviewWZseriesofindustrialheatresistanceismyfa

9、ctoryproductionoftemperaturesensorsinaseries,theaccuracyofitstemperaturehigherthanthethermocouple,anddisplayinstrumentscomplementarytodirectmeasurementoftheproductionprocess-200-+600withinthescopeofLiquid,gas,andothermediaandthesolidsurfacetemperature.Itwidelyusedinpetroleum,chemical,mechanical,meta

10、llurgical,power,textile,food,atomicenergy,aerospaceandotherindustrialsectorsandtechnologyareas.theprincipleofHeatresistanceistheroleoftemperaturechangeintheuseofsubstancesattheirownresistancetochangealsowiththecharacteristicstomeasuretemperature.ChooseAccordingtomeasurethescopeandtargets,selectappro

11、priatemodelsofindustrialheatresistanceandtheprotectionofmaterials,heatresistance,themaximumuseofpressureshouldbelessthanthetemperatureundertheprotectionoftheworkcanbearthepressure.Selectionoftheindustrialsub-degreeheatresistance,theinstrumentmustbedisplayedatthesamedegreeof.Inadditiontothedouble-sup

12、portedindustrialthermalresistance,isnotinuse,switchthecircumstances,everyindustrialthermalresistancecannotbedisplayedatthesametime,andtwoconnectingtheuseofinstruments.industrialthermalresistanceofthebasicproperties.0atthenominalvalueofresistance(Ro)andtemperaturetolerance(seetablebelow):ModelIndexin

13、g0atthenominalValueR(0)()ResistancethanR100/R(0)Temperaturerange,accuracyclassandToleranceTemperaturerange()AccuracyclassandToleranceWZPPT10101.3850Ceramiccomponents:-200to+600Glasscomponents:-200to+500Micacomponents:-100to+420GradeA:(0.15+0.2%1t1)GradeB:(0.3+0.5%1t1)PT100100WZCIndexing0atthenominal

14、ValueR(0)()ResistancethanR100/R(0)Temperaturerange,accuracyclassandToleranceTemperaturerange()AccuracyclassandToleranceCu5050.0000.051.42800.0020-50+100(0.30+0.0061t1)Cu100100.000.10PreparationNoteCu100pointsforthedegreeofcopperandsub-degreeheatresistance,resistancetoPT10tobethePrajnaagreementAvaila

15、bilityNote:1)|t|forthemeasuredtemperatureofabsolutevalue.2),forsub-degreePt10,Pt100industrialplatinumresistancewithZBY301-85industrialplatinumheatresistanceandtechnicalconditionsatTablestandard.3),forsub-degreeCu50,Cu100industrialcopperresistancewithZBNI1010-88Copperresistancetechnologyindustrycondi

16、tionsandsub-Tablestandard.WZseriesofindustrialheatresistanceofinsulationresistanceatroomtemperature.Industrialplatinumresistanceatroomtemperaturethermalinsulationresistancevalueofnotlessthan100M.Industrialcopperatroomtemperaturethermalresistanceoftheinsulationresistanceshouldbenotlessthan50M.Atroomt

17、emperatureinsulationresistanceofthetestvoltageof1010010VDC(ambienttemperatureshouldbe1535range,relativehumidityofnotmorethan80percent).3.WZseriesofindustrialheatresistanceofthermalresponsetime.Protectionofthediameter(d)ProtectionofmaterialsHeatresponsetime(seconds)0.512BrassH6220#carbonsteel309016St

18、ainlesssteel0Cr18Ni12M02TiStainlesssteel1Cr18Ni9Ti3090ConeofprotectionStainlesssteel1Cr18Ni9Ti90180Copperthermalresistance12BrassH6220#carbonsteelStainlesssteel1Cr18Ni9Ti1804、WZseriesofindustrialheatresistanceofthelengthspecifications(unit:mm).12protectionofthespecifications(eneral):225,250,300,350,

19、400,450,550,650,900,1150.16protectionofthespecifications(GeneralL):300,350,400,450,500,650,900,1150,1650,2150.Coneofprotection(GeneralL):225,250,300,350,400.Note:WZseriesofindustrialheatresistanceinsertlength1=L-150mm.theinstallationThermalresistanceofindustriallocations,shouldbeavoidedintheFurnaceD

20、oorinstallednexttotheheatingandavoidobjectsinthedistanceoverthepast.Industrialthermalresistancejunctionboxcannotmeetthevesselwallmeasuredmedia,thetemperaturejunctionboxshouldnotbe超過100,andasfaraspossibletomaintainstabilityunchanged.Industrialthermalresistanceinsertiondepth,immersioninthemediummeasur

21、edthelengthofprotectionshouldbenotlessthan10timesthediameter.theuseofAttentionConnectingwireinsulationshouldbeused(preferablyshielding)copperwire,cross-sectionalareaasindustrialheatresistanceanddisplaymetersandthedistancebetween,butgenerallynotlessthan1.5mm2.Wireresistancevaluesshouldbetheinstrument

22、showedthattechnicalreuirementsoftheregistrationdata(normally515),wire-resistancevaluescanbeusedtoadjusttheHoustonBridge.Testedmediumtoincreasethecycleofindustrialtestedmediumheatresistanceandthespreadoftheincrease.Whentheindustrialthermalresistanceusedtomeasurechangesintemperaturefield,oftentheexist

23、enceofdynamicerror,pleasenotethatwiththeproperchoiceofresponsetimeofindustrialheatresistance,becausethethermalresponsetimeistodeterminethesizeofthemaindynamicerror,Andwithproportionaltoitstemperatureoftheautomaticadjustmentandcontrolplaysaveryimportantrole.Basedonuserneeds,Icanplanttoprovideuserswit

24、hspecialrequirementsofperformancespecificationsandsizeofindustrialheatresistance.Canbeourlinktotechnologyintheformofsupplyagreement.transportationandpredervationIndustrialthermalresistanceintheinstallation,shouldbekeptfreeofvibration,andthecollisionarea.Themostsuitableconditionsforthestorageplaces:A

25、mbienttemperatureof-20+40.Relativehumidityofnotmorethan80percentoftheindoorventilation.Doesnotcontaintheindustrialthermalresistancefromthecorrosiveeffectofharmfulimpurities.VIII.probablytoafaultandrepairNo.OccurrencePossiblereasonsforRepairMethods1DisplayInstrumentinstructionsProtectionofwaterorcabl

26、eboxes,metal(1)Disposeofwateroreliminatedustanddamptodryingpart(shouldnotuseaplate)toimproveinsulationproperties.valueorlowerthantheactualvalueindicationofinstabilityshavings,dustorheatresistanceshortcircuit(2)auniversalinspectiontabletoshort-circuitorsomelimits,andtheeliminationof,suchastemperaturecomponentsoftheshortcircuit,shouldberepairedorreplaced.2DisplayInstrumen