卫生式流程压力变送器
卫生式流程压力变送器YS1PWHygienicFlowPressureTran***itter概述该型号为YS1的变形产品,是一款用于过程测量的压力变送器。其核心部件电容式陶瓷传感器具有***的测量特性,特别适合在低压测量中使用。平齐安装的电容式陶瓷传感器还具有很强的耐腐蚀性,能够抵抗大多数腐蚀性介质的侵蚀。通过选用陶瓷Al2O3纯度96%的隔膜,压力变送器的介质兼容性将得到进一步提高。压力接口材料为不锈钢。传感器与压力接口的连接通过FKM密封圈密封。其他密封件材料可视客户需求提供,请咨询。此外还有多种适合流程工业不同应用的过程连接件可供用户选用。广泛用于石油、化工、电力、冶金、制药、食品等许多工业领域。GeneralRemarkThistypeisderivedfromYS1,useforprocessmeasuringpressuretran***itter.ItsCorecomponentcapacitancetypesensorhassuperiormeasuringfeatures,speciallysuitableforlowpressuremeasurement.Flushmountingcapacitancetypesensoralsohashighcorrosion-proofability,withstandmostcorrosivemedia.ByusingceramicA1203purity96%diaphragm,pressuretran***itter’smediacompatibilityisfurtherimproved.Pressureconnectionisinstainlesssteel.SensorandpressureconnectionaresealedusingFKMsealingring.Othersealingmaterialcanbemadeonrequest,pleasec***ult.Moreovertherearemanyprocessconnecti***forallkindsofflowindustries***ailableonrequest.特点●电容式陶瓷传感器无填充液,具有很强的耐腐蚀性●隔膜陶瓷Al2O3纯度96%●精度高、稳定性好、温漂系数小●出色的长期稳定性●可选防爆Ex;(仅适合4⋯20mA/2线制)●精度高,稳定性好。●敏感部件及线路板是全固体结构,坚固抗振。●抗干扰能力强,温度稳定性好;防爆壳体结构,全天候使用。features●capacitanceceramicsensorhasnofillingliquid,hasstrongcorrosion-proofability●diaphragmceramicAl2O3purity96%●highaccuracy,goodstability,***allthermaldrift●excellentlongtermstability●optionalexplosion-proofEx:(onlysuitablefor4⋯20mA/2linetype)●highaccuracy,goodstability●sensitivecomponentandcircuitboardareinsolidc***truction,rigidvibration-proof●stronginterference-proof,goodthermaldrift,explosionproofenclosurestructure,weather-proof工作原理变送器由传感器与电子元件线路组成,被测介质的压力直接作用于传感器的陶瓷膜片上,使膜片产生与介质压力成正比的微小位移,正常工作状态下,膜片***大位移不大于0.025mm,电子线路检测这一位移量后,即把这一位移量转换成对应这一压力的标准工业测量信号(即4~20)mA。超压时膜片直接贴到坚固的陶瓷基体上,由于膜片与基体的间隙只有0.1mm,过载时膜片的***大位移只能是0.1mm,所以从结构上保证了膜片不会产生过大变形。由于膜片采用高性能的工业陶瓷,因而使传感器具有很强的抗冲击及抗过载能力。WorkingPrincipleTran***itteriscomposedofsensorandelectronicelementcircuit,pressureofmeasuredmediumdirectlyappliesonsensor’sceramicdiaphragm,forcediaphragmtodisplacetinilyinproportiontopressureofmedium,undernormalworkingcondition,diaphragmdisplacenomorethan0.025mm,electroniccircuitdetectsthisdisplacement,andconvertitintostandardindustrialmeasuringsignali.e.(4~20mA)correspondingtothispressure.Whenoverpressure,diaphragmdirectlysticktosolidceramicbasebody,asthereisonly0.1mmgapbetweendiaphragmandbasebody,whenoverpressure,themaximumdiaphragmdisplacementcouldbenomorethan0.1mm,(atthattime,measuringdiaphragmstickstoceramicbracket,***oiddamage)sostructurallypreventdiaphragmfromexcessivedeformation.Becausediaphragmadoptshighfunctionalindustrialceramic,sensorissignificantlyshock-proofandoverload-proof.主要技术指标技术指标使用对象流程工业液体、气体或浆状介质测量范围0...40mbar至0...20bar输出4~20mA.DC电源13~30V.DC负载特性4~20mA.DC二线制负载R≤50(V-13)(见图
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