科威尔压(ya)(ya)力(li)变(bian)送(song)器(qi)工作原理陶(tao)(tao)(tao)瓷(ci)(ci)电(dian)容(rong)传感器(qi)的(de)(de)(de)设计是基于(yu)电(dian)容(rong)值的(de)(de)(de)大(da)小(xiao)在(zai)其他条件不变(bian)时，只(zhi)与(yu)两(liang)(liang)极间(jian)的(de)(de)(de)距(ju)离相(xiang)关的(de)(de)(de)原理。由陶(tao)(tao)(tao)瓷(ci)(ci)膜(mo)片(pian)(pian)及衬(chen)底构成电(dian)容(rong)两(liang)(liang)极，测量(liang)时，过(guo)程(cheng)压(ya)(ya)力(li)直(zhi)接作用于(yu)坚固耐(nai)腐蚀(shi)的(de)(de)(de)陶(tao)(tao)(tao)瓷(ci)(ci)膜(mo)片(pian)(pian)上，使之产(chan)(chan)生(sheng)弹(dan)性位(wei)移，就可以(yi)从衬(chen)底和膜(mo)片(pian)(pian)之间(jian)检测到电(dian)容(rong)的(de)(de)(de)变(bian)化，经微(wei)(wei)(wei)调(diao)电(dian)路(lu)作用后，输出一(yi)个(ge)(ge)精确的(de)(de)(de)电(dian)压(ya)(ya)信号(hao)(hao)，再通(tong)(tong)过(guo)变(bian)送(song)器(qi)转换(huan)成对(dui)应(ying)的(de)(de)(de)4~20mA信号(hao)(hao)输出。陶(tao)(tao)(tao)瓷(ci)(ci)压(ya)(ya)阻(zu)(zu)(zu)传感器(qi)的(de)(de)(de)原理是压(ya)(ya)敏(min)电(dian)阻(zu)(zu)(zu)的(de)(de)(de)压(ya)(ya)阻(zu)(zu)(zu)效应(ying)及硅材料受压(ya)(ya)力(li)作用时电(dian)阻(zu)(zu)(zu)发生(sheng)变(bian)化的(de)(de)(de)特性。电(dian)阻(zu)(zu)(zu)印刷在(zai)陶(tao)(tao)(tao)瓷(ci)(ci)膜(mo)片(pian)(pian)的(de)(de)(de)背(bei)面，连接成一(yi)个(ge)(ge)惠(hui)斯通(tong)(tong)电(dian)桥（闭桥），测量(liang)时，压(ya)(ya)力(li)直(zhi)接作用在(zai)膜(mo)片(pian)(pian)上，使之产(chan)(chan)生(sheng)微(wei)(wei)(wei)小(xiao)的(de)(de)(de)形变(bian)，改变(bian)桥臂电(dian)阻(zu)(zu)(zu)，经过(guo)微(wei)(wei)(wei)调(diao)电(dian)路(lu)放大(da)后，使电(dian)桥产(chan)(chan)生(sheng)一(yi)个(ge)(ge)与(yu)压(ya)(ya)力(li)成正比的(de)(de)(de)电(dian)压(ya)(ya)信号(hao)(hao)，再通(tong)(tong)过(guo)变(bian)送(song)器(qi)转换(huan)成对(dui)应(ying)的(de)(de)(de)4~20mA信号(hao)(hao)输出。新余PBT压(ya)(ya)力(li)变(bian)送(song)器(qi)

压力变送(song)器安(an)装(zhuang)及调试1. 安(an)装(zhuang)按(an)以下步骤进行操作：1)将变送(song)器通过(guo)连(lian)接(jie)(jie)螺纹安(an)装(zhuang)在测量口位置。2)旋(xuan)开变送(song)器上(shang)(shang)盖，旋(xuan)松(song)电(dian)(dian)(dian)(dian)(dian)缆密封接(jie)(jie)头，拔下接(jie)(jie)线(xian)(xian)(xian)(xian)端(duan)(duan)(duan)子，将电(dian)(dian)(dian)(dian)(dian)缆线(xian)(xian)(xian)(xian)（≤Ф8）穿过(guo)电(dian)(dian)(dian)(dian)(dian)缆密封接(jie)(jie)头，按(an)说明书要求接(jie)(jie)线(xian)(xian)(xian)(xian)图连(lian)线(xian)(xian)(xian)(xian)。3)旋(xuan)紧电(dian)(dian)(dian)(dian)(dian)缆密封接(jie)(jie)头，整理、固定(ding)引出(chu)的(de)(de)电(dian)(dian)(dian)(dian)(dian)缆线(xian)(xian)(xian)(xian)，同时旋(xuan)上(shang)(shang)变送(song)器上(shang)(shang)盖。注1：①接(jie)(jie)线(xian)(xian)(xian)(xian)端(duan)(duan)(duan)子“-”端(duan)(duan)(duan)为4~20mA的(de)(de)电(dian)(dian)(dian)(dian)(dian)流输出(chu)端(duan)(duan)(duan)，不能(neng)将24VDC电(dian)(dian)(dian)(dian)(dian)源线(xian)(xian)(xian)(xian)的(de)(de)负极接(jie)(jie)在“-”端(duan)(duan)(duan)，否(fou)则(ze)检测不到变送(song)器输出(chu)电(dian)(dian)(dian)(dian)(dian)流信(xin)号(hao)。②连(lian)接(jie)(jie)电(dian)(dian)(dian)(dian)(dian)缆的(de)(de)时候(hou)应将出(chu)线(xian)(xian)(xian)(xian)电(dian)(dian)(dian)(dian)(dian)缆下垂。切(qie)忌电(dian)(dian)(dian)(dian)(dian)缆上(shang)(shang)翘，否(fou)则(ze)会将冷凝水导入变送(song)器，造(zao)成变送(song)器的(de)(de)损坏。唐山PIT智能(neng)压力变送(song)器

科威尔压(ya)(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)概述(shu)PGT精(jing)(jing)密(mi)型压(ya)(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)采(cai)用(yong)干(gan)式陶瓷电容传感(gan)器(qi)(qi)或陶瓷压(ya)(ya)(ya)阻传感(gan)器(qi)(qi)作为(wei)测(ce)(ce)(ce)(ce)量(liang)单(dan)元。陶瓷电容传感(gan)器(qi)(qi)采(cai)用(yong)电容测(ce)(ce)(ce)(ce)量(liang)原(yuan)理，作用(yong)元素单(dan)一(yi)，测(ce)(ce)(ce)(ce)量(liang)精(jing)(jing)度比(bi)较(jiao)高可达0.1级，同时具(ju)有抗(kang)(kang)干(gan)扰(rao)、抗(kang)(kang)污及抗(kang)(kang)过(guo)(guo)载能力(li)强等(deng)(deng)诸(zhu)多(duo)优点(dian)；而(er)陶瓷压(ya)(ya)(ya)阻传感(gan)器(qi)(qi)则具(ju)有测(ce)(ce)(ce)(ce)量(liang)范围广(guang)，抗(kang)(kang)过(guo)(guo)压(ya)(ya)(ya)能力(li)更强等(deng)(deng)优点(dian)。变(bian)送(song)(song)器(qi)(qi)外观精(jing)(jing)美、体积小巧、稳定可靠，适(shi)用(yong)于多(duo)种气体、液体的(de)(de)表压(ya)(ya)(ya)、绝(jue)压(ya)(ya)(ya)测(ce)(ce)(ce)(ce)量(liang)，是一(yi)款经(jing)济(ji)实用(yong)的(de)(de)压(ya)(ya)(ya)力(li)测(ce)(ce)(ce)(ce)量(liang)元件。PGT精(jing)(jing)密(mi)型压(ya)(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)适(shi)用(yong)于气体、蒸(zheng)汽、液体的(de)(de) 或相对压(ya)(ya)(ya)力(li)测(ce)(ce)(ce)(ce)量(liang)。广(guang)泛应用(yong)于水电、化(hua)学和(he)石化(hua)工(gong)业等(deng)(deng)领域，用(yong)于工(gong)业过(guo)(guo)程和(he)一(yi)般过(guo)(guo)程测(ce)(ce)(ce)(ce)量(liang)技术中。

压力变送器(qi)注意(yi)(yi)事(shi)项(xiang)1.订货(huo)时应注意(yi)(yi)注明量(liang)程(cheng)上(shang)限、测(ce)量(liang)方式、精(jing)度(du)等(deng)级、接口尺寸等(deng)。2.货(huo)到后需方应按(an)(an)装箱单检查仪表及(ji)附件是否齐全、完好，如有损(sun)(sun)坏，应尽快与供货(huo)方联系。3.变送器(qi)应储存(cun)在(zai)(zai)干燥、通风、阴凉(liang)、无腐蚀性气体、绝缘良好及(ji)无危害因素的(de)室内(nei)，不得(de)将(jiang)变送器(qi)放在(zai)(zai)高(gao)温(wen)、高(gao)湿(shi)场合(he)保(bao)存(cun)的(de)环境中。4.变送器(qi)在(zai)(zai)保(bao)存(cun)、移(yi)动或安(an)装时，不得(de)摔碰(peng)，防止跌落，以免造成传感器(qi)损(sun)(sun)伤和零点(dian)迁移(yi)。5.本产品属精(jing)密(mi)测(ce)量(liang)仪表，严禁随意(yi)(yi)冲击、强力支撑、拆卸或用尖(jian)锐的(de)器(qi)具捅(tong)引压孔传感器(qi)膜(mo)片。6.请(qing)确认按(an)(an)说明书(shu)中的(de)要求接线(xian)正确后方可上(shang)电(dian)(dian)。7.敷设(she)信(xin)号(hao)电(dian)(dian)缆(lan)时请(qing)与高(gao)电(dian)(dian)压，高(gao)频率设(she)备及(ji)电(dian)(dian)缆(lan)保(bao)持安(an)全距离，以免造成对变送 器(qi)输出信(xin)号(hao)的(de)干扰及(ji)产生的(de)感应高(gao)电(dian)(dian)压损(sun)(sun)坏变送器(qi)。8.严禁用户自行拆解(jie)变送器(qi)或进行维修，否则不予保(bao)修。9.如变送器(qi)不能正常工作，请(qing)将(jiang)变送器(qi)返回(hui)本公司检测(ce)。

科(ke)威尔压(ya)力变(bian)送(song)器(qi)特点PIT智能压(ya)力变(bian)送(song)器(qi)具(ju)有(you)以下特点：1.采(cai)(cai)(cai)用(yong)(yong)(yong)进口传感(gan)器(qi)，高(gao)精(jing)度、高(gao)稳(wen)定(ding)(ding)性(xing)、高(gao)可(ke)(ke)(ke)靠性(xing)；2.数字、液(ye)晶(jing)压(ya)力显示(shi)，显示(shi)直观；3.抗(kang)(kang)干扰(rao)强(qiang)、长期稳(wen)定(ding)(ding)性(xing)好(hao)，优于0.1%FS/年；4.抗(kang)(kang)震动(dong)、抗(kang)(kang)冲击，可(ke)(ke)(ke)使用(yong)(yong)(yong)在(zai)有(you)振动(dong)的(de)工况(kuang)；5.本(ben)质安全防爆；体积(ji)小、外形(xing)美(mei)观、性(xing)价(jia)比高(gao)；6. 量(liang)程范围宽，可(ke)(ke)(ke)测(ce)量(liang)绝压(ya)、表(biao)压(ya)和(he)密封表(biao)压(ya)PGT精(jing)密型压(ya)力变(bian)送(song)器(qi)采(cai)(cai)(cai)用(yong)(yong)(yong)干式陶瓷(ci)电容传感(gan)器(qi)或陶瓷(ci)压(ya)阻传感(gan)器(qi)作(zuo)为测(ce)量(liang)单元。陶瓷(ci)电容传感(gan)器(qi)采(cai)(cai)(cai)用(yong)(yong)(yong)电容测(ce)量(liang)原理，作(zuo)用(yong)(yong)(yong)元素单一，测(ce)量(liang)精(jing)度比较高(gao)可(ke)(ke)(ke)达(da)0.1级，同时具(ju)有(you)抗(kang)(kang)干扰(rao)、抗(kang)(kang)污及抗(kang)(kang)过载(zai)能力强(qiang)等诸多优点北海(hai)PAT高(gao)频动(dong)态压(ya)力变(bian)送(song)器(qi)

新余PBT压力变送器(qi)

科(ke)威尔压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)的分类(lei)压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)根据测量范(fan)围，可(ke)分成压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)、差压(ya)变(bian)送(song)(song)(song)器(qi)(qi)和负压(ya)变(bian)送(song)(song)(song)器(qi)(qi)三种；压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)根据传感(gan)器(qi)(qi)种类(lei)，可(ke)分为陶瓷压(ya)阻压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)、扩散硅(gui)压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)、电容式(shi)压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)和单晶硅(gui)压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)。​扩散硅(gui)压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)具有工作可(ke)靠、性能稳(wen)定、安装使(shi)用方(fang)便、体积小、重(zhong)量轻、性能价(jia)格比高等(deng)特点，在各(ge)种正负压(ya)力(li)(li)(li)(li)测量中得到了 的应(ying)用，是目前市场上占有率比较高的。电容式(shi)压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)应(ying)其(qi)精度高、稳(wen)定性能好、抗干扰能力(li)(li)(li)(li)强、抗过压(ya)能力(li)(li)(li)(li)强等(deng)特点，在工业场合使(shi)用率高。新余(yu)PBT压(ya)力(li)(li)(li)(li)变(bian)送(song)(song)(song)器(qi)(qi)

深(shen)(shen)圳市(shi)科威(wei)尔(er)自(zi)动化(hua)控制有(you)限公司位于深(shen)(shen)圳市(shi)龙(long)岗(gang)(gang)区横(heng)岗(gang)(gang)街道(dao)(dao)龙(long)岗(gang)(gang)大道(dao)(dao)3278号联(lian)建楼(lou)二(er)楼(lou)202-4-A。在(zai)(zai)市(shi)场经济的(de)(de)(de)浪潮中(zhong)拼博和发展(zhan)，目(mu)前(qian)深(shen)(shen)圳科威(wei)尔(er)在(zai)(zai)仪(yi)(yi)器仪(yi)(yi)表中(zhong)拥有(you)较高的(de)(de)(de)**度(du)，享(xiang)有(you)良好的(de)(de)(de)声誉。深(shen)(shen)圳科威(wei)尔(er)取(qu)得(de)全网商盟(meng)认证，标志着(zhe)我(wo)们的(de)(de)(de)服务和管理水平达到了一个新(xin)的(de)(de)(de)高度(du)。深(shen)(shen)圳科威(wei)尔(er)全体员工愿与各(ge)界有(you)识之士共同发展(zhan)，共创美好未来。

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