隔爆型电接点压力表使用说明书

隔爆型电接点压力表使用说明书Explosion-proofTypePressureGaugewithElectricalContactOperationalInstructionsYTX-100B隔爆型电接点压力表系按国家标准“爆炸性气体环境用电气设备”第1部分：通用要求TheExplosion-proofTypePressureGaugewithElectricalContactisdesignedaccordingtothenationalstandard“ElectricEquipmentinExplosiveGasAtmosphere”,i.e.PartICommonRequirementsofGB3836.1-2000、第2部分：隔爆型“d”GB3836.2-2000的相关规定及行业标准：“电接点GB3836.1-2000,PartIItherelatedregulationofGB3836.2-2000forexplosion-prooftype“d”productsandrelativeindustrialstandards,andJB/T9273-1999requirementsfor“PressureGaugeWithElectricalContact”.压力表”JB/T9273-1999的要求进行设计，经国家制定的检验机构所审批的图样和技术文件Meanwhileitismanufacturedaspertheapproveddrawingandtechnicaldocumentsapprovedbythenationalstatedinspectioninstitution.进制造的。用途I.Purpose隔爆型电接点压力表的防爆标志你：ExdⅡCT4（标志Ex、隔爆型d、类型ⅡC、温度Theexplosion-proofmarksforExplosion-proofTypePressureGaugewithElectricalContactareasbelow:ExdIICT4(inwhichtheExstandsformark,dstandsforexplosion-proof,IICstandsforcategoryandT4standsfortemperaturearrangement),组别T4），适用于爆炸性气体环境中，测量温度低于70℃whichisapplicabletotheexplosivegasenvironmentwithmediapressureat70℃andbelow置与具有相应防爆性能的电器件配套使用，对被测压力执行自动控制、报警、信号远传等多Theexplosion-proofTypePressureGaugewithElectricalContactisequippedwithmultifunctionsasautomaticcontrol,alarm,signaldistanttransferandotherfunctionsforthemeasuredpressurewiththehelpoftheelectricsignalequipmentandelectricalequipmentwiththerelatedexplosion-proofperformancefor.ThegradeofgaugecaseisforIP65.种功能,防护等级IP65。仪表结构与防爆原理II.GaugeStructureandExplosion-proofPrinciple仪表由隔爆结构的外壳及内装电接点压力表组成。工作中，当表壳内部的可燃性混合物Thegaugeiscomposedofexplosion-proofcaseandbuild-inpressuregaugewithelectricalcontact.Whentheflammablegasmixingaugecaseexplodescaused因受火花或电弧（电接点压力表的电气信号装置所引起）等作用而发生爆炸时，不会引起仪bythesparkorelectricarc(generallycausedbytheelectricsignaldevicewithpressuregaugewithelectricalcontact),表外现场爆炸性气体的爆炸，从而达到防爆的目的。theexplosivegasoutsidethecasewon’texplodeaccordingly,thusachievingtheexplosion-proofpurpose.基本参数III.BasicParameters仪表测量范围，精确度等级，电气参数见下表外壳公称直径mm测量范围MPa精确度等级电气参数1000-0.1;0-0.16;0-0.251.0;1.6额定功率VA直接作用式10磁助直接作用式300-0.4;0-0.6;0-1.0;0-1.60-2.5;0-4;0-6;0-10;0-16;0-25;0-40;0-60;最高工作电压V380-0.1-0-0.1-0.06;-0.1-0.15;-0.1-0.3;最大允许电流A直接作用式0.7磁助直接作用式1.0-0.1-0.5;-0.1-0.9;-0.1-1.5;-0.1-2.4;i.Pleaseseethefollowingtableformeasuredscope,accuracygradeandgasparametersofgauge.NominalDiameterofCase(mm)MeasuringRangeMPaAccuracyGradeElectricParameters1000-0.1;0-0.16;0-0.251.0;1.6RatedPower0-0.4;0-0.6;0-1.0;0-1.6DirectActingType100-2.5;0-4;0-6;0-10;Magnetic-AssistantDirectActingType300-16;0-25;0-40;0-60;MaximumRunningVoltageV-0.1-0380-0.1-0.06;-0.1-0.15;-0.1-0.3;MaximumAllowableCurrentA-0.1-0.5;-0.1-0.9;-0.1-1.5;DirectActingType0.7-0.1-2.4;Magnetic-AssistantDirectActingType1.0外形图尺寸见图一ii.Pleaseseetheoveralldimensionasbelow接线方法如图二所示iii.WiringMethodsasShowninDiagramII图二接线示意图DiagramIIWiringDiagram1、上下限设定指针----黄色线2、上限导电针（触点）----红色线3、下限导电针（触点）----蓝色线4、接地1.IndicatingNeedlesforUpperandLowerLimit-YellowLine2.ConductingNeedles(Contact)forUpperLimit-RedLine3.ConductingNeedles(Contact)forLowerLimit-BlueLine4.Earthing进线橡胶密封圈内径Φ10mm，配用500VBX型对芯橡皮线4X12橡套电缆（外径Φ9.8），电缆引入装置处达到IP44的要求。iv.TheinnerdiameteroftheinletrubbersealshallbeΦ10mm.Itshallbeequippedwith500VBXrubber-sheathedcordand4X12cab-typecable(withouterdiameterofΦ9.8).ThecableincominglineshallmeettherequirementsofIP44.使用、维护与检修IV.Operation,MaintenanceandInspection1、仪表安装的条件要求：环境温度为-40℃～70℃GaugeInstallation:theambienttemperatureshallbebetween-40℃and70℃,withsea-levelheightshallnotabove2000m(仪表的电气线路接妥后，应旋紧压紧螺母，认真检查并应进行试动作。Afterthecompletionofthegaugeelectricline,screwtheclampnuts,takecarefulinspectionandperformtestrun.仪表在测量稳定压力时，可使用至上限的3/4；在测量交变压力时则用至上限值2/3；测量负压时不受此限。Incaseofmeasuringthesteadypressure,thegaugemaybeturnedto3/4oftheupperlimit;incaseofmeasuringthealternatingpressure,thegaugemaybeturnedto2/3oftheupperlimit;incaseofmeasuringthenegativepressure,thereisnosuchlimit.在打开出线盒或调节上、下限设定值范围时，必须首先切断电源。Thepowersourceshallbecutoffbeforeopeningtheoutletboxoradjustingtheupperorlowerlimit.5、仪表在正常使用的情况下，应定期检验，每半年至少进行一次。仪表如突然发生问题（弹簧管因渗漏而导致泄压；触头熔焊或因严重氧化影响触点通、断的可靠性；指针松动或指示失灵等现象）时，则应立即予以检修或更换。Underthenormalapplicationcircumstance,thegaugeshallbeinspectedregularly,i.e.onceatleasteverysixmonths.Shouldtherebeasuddendeteriorationofthegauge(pressurereliefforcorrugatepipeleakage;fusionweldingorsevereoxidationofthecontacthighlyinfluencethereliabilityofwireconnectionanddisconnection;looseningormalfunctionoftheneedles),thegaugeshallbeinspectedorreplacedimmediately.仪表在使用过程中，应经常保持其干燥和洁净。Thegaugeshallbekeptindryandcleanplaceduringtheprocessofoperation.仪表的防爆性能可靠与否，主要取决于隔爆外壳的承压强度及隔爆面对质量情况。因此在进行安装、使用及检修过程中，务必注意隔爆面，切勿磕碰划伤，特别是在拆装仪表的接线盒或在对其进行全面检修时应特别注意。在隔爆面上不允许涂漆。Thereliabilityoftheexplosion-proofgaugemainlydependsonthebearingstrengthofthecaseandthequalityoftheexplosion-proofsurface.Therefore,paymuchattentiontotheexplosion-proofsurfaceandavoidcollisionandscuffingduringtheprocessofinstalla