微压膜片电接点压力表BX/BXNDiaphragmlowpressureelectriccontactspressuregauge产品特性●测量压力最低可达4KPa●根据不同测量介质的防腐要求可选择多种不同的膜片●仪表可制做成充液耐震型应用于工作环境有震动的场所Features●Minimumpressureisdownto4KPa●Accordingtodifferentcorrosion-proofreguests,manytypescanbeselected.●Liquidfillingmodelcanbesupplied,appliedinthevibrationenrironment.产品简介BX/BXN系列膜片电接点压力表采用膜片作为测压敏感元件，并可根据不同的测量介质选用不同材料的膜片。本仪表主要用于工业过程中对气体、液体压力微小压力的测量，尤其适用于腐蚀性粘稠介质（非凝固、非结晶）的微小压力测量，并通过仪表指针的触点与设定指针的触点相接通（断开）控制系统中电路的开关，以达到自动控制和自动报警功能。PRODUCTOVERVIEWBX/BXNDiaphragmelectriccontactspressuregaugeadoptsdiaphragmassensitiveelement,anditcouldchoosedifferentmaterialsbaedondifferentmeasuremediums.Thepressuregaugemainlyapplystomeasurethemicropressureofgas,liquidinindustrycourse,especiallyfitstomediumofcorrosionandviscidity(non-solidification&non-crystal).Thepointerofinstrumentwillmakecontactsturnonorcutwiththecontactsofsetfingr,causingthecutandturn-onofcontrolsystemforthepurposeofautomaticcontrolandalarm.主要技术参数仪表类型普通型、耐震型（充油）指示仪表直径φ100mm、φ160mm指示精度φ100mm:±1.5%;(±1.6%;)±2.5%φ160mm:±1.5%;（±1.6%）设定精度±4%；接点数量1个或2个；接点材质≥110V银镍合金，≤36V黄金接点控制方法见附表测量范围正压0-4kPa至0~2.5MPa；负压-4-0kPa至-100-0kPa及任何相关正负压联程；工作压力静负荷用至测量上限值的3/4；交变负荷用至测量上限值的2/3；短时压力用至上限值膜片材料3J1、SUS304、SUS316、SUS316L、喷涂PTFE接体材料SUS304、SUS316、（SUS316L）；外壳材料SUS304；仪表玻璃有机玻璃、安全型双层玻璃；外壳防护等级普通型：IP54，耐震型：IP65；最高工作电压380V·AC或220V·DC；最大电流1A；触点功率30VA；环境温度普通型：-40～+70℃；耐震型：-20～+60℃；耐震型填充液仪表专用填充液；连接尺寸螺纹连接M20×1.5、或约定的特殊要求；法兰连接（按相关标准或约定的特殊要求）。MaintechnicindexType:Standardtype,vibration-prooftype(oilfilled)Diameter:φ100mm,φ160mmAccuracy:φ100mm,±1.5%;(±1.6%;)±2.5%φ160mm,±1.5%,(±1.6%)Setaccuracy:±4%;Contactpoints:1or2;≥110V银镍合金，≤36V黄金Contactscontrol:SeeattachedtableRange:Pluspressure0-4kpato0~2.5MPaMinuspressure-4-0kpato-100-0kpaandothercompoundrangesWorkingpressure:Steady:3/4offullscalevalueFluctuating:2/3offullscalevalueShorttime:fullscalevalueDiaphragmmaterial:3J1,SUS304,SUS316,SUS316L,PTFEcoatedConnectionbody:SUS304,SUS316(SUS316L)Casematerial:SUS304Windows:Organicglass,Safetyglass(doubledeck)Caseprotection:Classstandardtype:IP54Vibration-proof:IP65Maximumworkingvoltage:or220V.ACMaximumcurrent:1AContactpower:30VAEnvironmenttemperature:Standardtype:-40-+70℃Vibration-prooftype:-20-+60℃Liquidfillingforvibration-prooftypeoil:FillingliquidforspecialinstrumentConnection:ThreadconnectionM20×1.5,orspecialrequirementFlangedconnection(byrelativestandardsorpromisedspecialrequirement)仪表外形尺寸DIMENSIONS标准型StandardstyleBX(YPXC)耐震型Vibration-proofstyleBXN(YPXCN)公称尺寸Dimensionsmm测量范围RangekPadmmBmmD1mmD2mmGHmmSWmm100≤251608810199M20×1.5或其它规格Orotherspecification1352716090161159165100≥40100881019913516090161159165附表：电接点开关控制方法Attachedlist:switchcontrolmethodofelectriccontacts接点代码Codeofcontacts接点功能识别编号Codetitle接点数量Quantity指针顺时针旋转开关功能Switchfuctionofdeasilrotatingpointer示意图Sketchmap线路图Ciranitdiagram单上限oneupperlimits821.1超过设定点时，接点接通电路，（常开接点）overthesetpoint,circuitisturnedon(N.O.)单下限onelowerlimits821.21超过设定点时，接点断开电路，（常闭接点）overthesetpoint,circuitiscut(N.C.)单刀双掷SPDT821.3SPDT:超过设定点时，接点转换，一个接点接通电路，SPDT:另一个接点断开电路SPDT:Overthesepoint,contactstransferred,oneturnedonandtheotheronecut双上限twolowerlimits821.11超过设定点时，接点1和接点2都接通电路overthesetpoint,circuitisturnedbycontact1and21and2双下限Twolowerlimits821.22超过设定点时，接点1和接点2都断开电路overthesetpoint,circuitiscutbycontact1and2常开上下限N.O.upperandlowerlimits821.212超过设定时，接点2断开电路接点1接通电路overthesetpoint,circuitiscutbycontuct2，turnedonbycontuct1常闭上下限N.C.upperandlowerlimits821.12超过设定时，接点2接通电路接点1断开电路overthesetpoint,circuitistumedonbycontact2，cutbycontact1单刀双掷SPDT821.33两组SPDT接点，功能同821.3TwogroupsofSPDT,withsamefunctionas821.3说明：1、定货时请按表中规定的开关功能给出相应的接点名称或编号。2、表中双接点连接导线为：接点2为下限设定点，接点1为上限；设定点，接点3为公共端。3、表中描述的开关功能是表示：仪表压力指针位于最小刻度值时所具有的开关功能，即压力指针从最小刻度值开始顺时针动时的开关状态，当压力指针逆时针转动时，实现的开关功能相反。1.Whenordering,pleasespecifythenameorNo.ofcontactsreferringtothetable.2.Leadsofsingleordoublecontacts:lowerlimitsiscontact2,upperlimitssetpointiscontact1,contact3ispublicport.3.Turnonandcutfunctiondetails:Thetableshowstheturnonandcutsituationsaspointermovesdeasil,andthefunctionisoppositewhilethepointermoveswiddershins.产品详细资料请点击：微压膜片电接点压力表.pdf微压膜片电接点压力表YPXC耐震微压膜片电接点压力表YPXCN防腐微压电接点压力表4KPA防腐耐震微压电接点压力表耐震防腐膜片电接点压力表)