智能系列电容式差压/ 压力变送器
智能系列电容式差压/压力变送器BLD-3351Intelligentseriescapacitivedifferential/pressuretransducer概述BLD-3351小型化系列压力/差压变送器是采用国外应用***广泛,技术***为成熟的电容式传感器芯体,并引进国外***生产工艺和技术,严格执行质量管理体系9001:2000标准,生产出的***新型系列化压力/差压变送器。产品模块化设计和全贴片封装,多款精致独特的塑料模具配以***的激光雕刻手段,使得产品更加紧凑***。BLD-3351系列压力/差压变送器针对国内不同用户的要求,同时推出N型(普通模拟型)、和S型(标准智能型)二种规格;背光蓝屏液晶表头克服夜间无法读数的缺陷;智能系列通过就地按钮,可现场调零或重新标定量程,通过手操器或通讯软件还可实现无源标定和数据组态。根据用户的特殊需求,智能化系列***大可达到宽量程比(50:1)和高精度(0.1%)。采用一体化电容传感器结构,从根本上消除了安装应力和密封失效问题,大大提高了可靠性和稳定性。SummarizeBLD-3351miniaturizationseriespressure/differentialtransducerareusecapacitivesensorcore,andadvancedproductiontechnicsandtechnology,perform9001:2000standardstrictly,producenewtypepressure/transducer.BLD-3351seriespressure/differentialtransducerhasNtype(standardsimulationtype)andStype(standardintelligenttype);apheliotropicblueLCDscreenovercomesunreadnessinnight;Intelligentseriesuselocalbutton,canadjustzeroorresetrange.Accordingtocustomerrequest,itcanreachrangeratio50:1andaccuracy0.1%.Useintegrativecapacitancetransducerconfiguration,hasreliabilityandstability.特点●量程迁移比大●全系列统一结构设计互换性强●通过显示表按键实现现场组态,不需要手操器或PC机●实现PV清零●具有自诊断功能●宽视角背光液晶显示●高精度、高稳定性、高可靠性●HART协议数字通讯技术Characteristic●rangetransferencelarge●Sameconfigurationofthisseries,caninterconnect●displaygaugeoutfitkey-presscontrolslocalconfiguration,needntmanualwareorPCmachine.●PVreset●withselfdiagnosisfunction●broadvisualangleapheliotropicLCDscreen●highaccuracy,highstability,highreliability●HARTnumeralcommunicationtechnology应用BLD3351S智能型差压/压力变送器可广泛的应用于石油、化工、钢铁、电力食品、造纸、纺织、医药、轻工、环保等工业领域,实现对各种流体的差压、压力、流量、液位等的测量和控制,适用于各种腐蚀性介质环境及恶劣、***场所,能够***大限度的满足客户的需要。工作原理过程压力通过两侧或一侧的隔离膜片、灌充液传至δ室的中心测量膜片。中心膜片是一个张紧的弹性元件,它对于作用在其上的两侧压力差产生相应变形位移,其位移与差压成正比,***大位移约0.1mm,这种位移转变为电容极板上形成的差动电容,由电子线路把差动电容转换成二线制的4~20mADC输出信号。(见图1)ApplicationBLD3351Sintelligenttypedifferential/pressuretransduceruseforpetroleum,chemicalindustry,steel,electricpower,food,papermaking,we***e,medicine,lightindustry,environmentaletc.controlandmeasureliquiddifferentialpressure,pressure,runoff,applyforcorrosivemedium,canfitforcustomerrequest.WorkingprincipleProcesspressurethroughtowsidesoronesideseparatediaphragm,filledliquidtran***ittocentermeasuringdiaphragmofchamber.Centerdiaphragmisastretchflexibilityelement.Whenitarisespressureonthesides,itwillhasrelevantdisplacement,thedisplacementandthedifferentialpressurearedirectratio.maximaldisplacementis0.1mm.Thiskindofdisplacementchangeintodifferentialcapacitanceonthecapacitanceboard,electroncircuitrytransformdifferentialcapacitanceintotwolines4~20mADCoutputsignal(scheme1)
北京汇鑫双和科技有限公司
业务 QQ: 275253706