科威尔压(ya)(ya)(ya)(ya)(ya)力(li)(li)变(bian)送器(qi)(qi)工作原(yuan)理(li)(li)陶瓷(ci)电容(rong)传感(gan)器(qi)(qi)的(de)(de)(de)(de)(de)设计是(shi)基于电容(rong)值(zhi)的(de)(de)(de)(de)(de)大小在(zai)其他(ta)条件不变(bian)时(shi)，只与(yu)两(liang)(liang)极(ji)间的(de)(de)(de)(de)(de)距离相(xiang)关的(de)(de)(de)(de)(de)原(yuan)理(li)(li)。由(you)陶瓷(ci)膜(mo)(mo)片(pian)(pian)及衬(chen)底构成电容(rong)两(liang)(liang)极(ji)，测量时(shi)，过(guo)程压(ya)(ya)(ya)(ya)(ya)力(li)(li)直(zhi)接作用(yong)于坚固耐腐蚀的(de)(de)(de)(de)(de)陶瓷(ci)膜(mo)(mo)片(pian)(pian)上，使之(zhi)产生弹(dan)性位移，就可以从衬(chen)底和膜(mo)(mo)片(pian)(pian)之(zhi)间检测到(dao)电容(rong)的(de)(de)(de)(de)(de)变(bian)化(hua)，经微调电路作用(yong)后，输(shu)出(chu)一(yi)个精(jing)确的(de)(de)(de)(de)(de)电压(ya)(ya)(ya)(ya)(ya)信号(hao)，再通过(guo)变(bian)送器(qi)(qi)转换(huan)成对(dui)应的(de)(de)(de)(de)(de)4~20mA信号(hao)输(shu)出(chu)。陶瓷(ci)压(ya)(ya)(ya)(ya)(ya)阻(zu)(zu)传感(gan)器(qi)(qi)的(de)(de)(de)(de)(de)原(yuan)理(li)(li)是(shi)压(ya)(ya)(ya)(ya)(ya)敏电阻(zu)(zu)的(de)(de)(de)(de)(de)压(ya)(ya)(ya)(ya)(ya)阻(zu)(zu)效应及硅(gui)材(cai)料受压(ya)(ya)(ya)(ya)(ya)力(li)(li)作用(yong)时(shi)电阻(zu)(zu)发生变(bian)化(hua)的(de)(de)(de)(de)(de)特性。电阻(zu)(zu)印(yin)刷在(zai)陶瓷(ci)膜(mo)(mo)片(pian)(pian)的(de)(de)(de)(de)(de)背面，连(lian)接成一(yi)个惠(hui)斯通电桥(qiao)(qiao)（闭桥(qiao)(qiao)），测量时(shi)，压(ya)(ya)(ya)(ya)(ya)力(li)(li)直(zhi)接作用(yong)在(zai)膜(mo)(mo)片(pian)(pian)上，使之(zhi)产生微小的(de)(de)(de)(de)(de)形变(bian)，改变(bian)桥(qiao)(qiao)臂电阻(zu)(zu)，经过(guo)微调电路放大后，使电桥(qiao)(qiao)产生一(yi)个与(yu)压(ya)(ya)(ya)(ya)(ya)力(li)(li)成正比(bi)的(de)(de)(de)(de)(de)电压(ya)(ya)(ya)(ya)(ya)信号(hao)，再通过(guo)变(bian)送器(qi)(qi)转换(huan)成对(dui)应的(de)(de)(de)(de)(de)4~20mA信号(hao)输(shu)出(chu)。新余(yu)PBT压(ya)(ya)(ya)(ya)(ya)力(li)(li)变(bian)送器(qi)(qi)

压(ya)力变送(song)(song)器(qi)安装(zhuang)及调试1. 安装(zhuang)按以下步骤进行操(cao)作：1)将变送(song)(song)器(qi)通过连(lian)接(jie)(jie)(jie)螺纹安装(zhuang)在测量(liang)口位置。2)旋(xuan)开(kai)变送(song)(song)器(qi)上盖(gai)，旋(xuan)松电(dian)(dian)缆(lan)(lan)密(mi)封(feng)接(jie)(jie)(jie)头(tou)，拔下接(jie)(jie)(jie)线(xian)(xian)端(duan)(duan)(duan)子，将电(dian)(dian)缆(lan)(lan)线(xian)(xian)（≤Ф8）穿过电(dian)(dian)缆(lan)(lan)密(mi)封(feng)接(jie)(jie)(jie)头(tou)，按说明书要求(qiu)接(jie)(jie)(jie)线(xian)(xian)图连(lian)线(xian)(xian)。3)旋(xuan)紧电(dian)(dian)缆(lan)(lan)密(mi)封(feng)接(jie)(jie)(jie)头(tou)，整(zheng)理、固定引出的(de)电(dian)(dian)缆(lan)(lan)线(xian)(xian)，同时(shi)旋(xuan)上变送(song)(song)器(qi)上盖(gai)。注1：①接(jie)(jie)(jie)线(xian)(xian)端(duan)(duan)(duan)子“-”端(duan)(duan)(duan)为4~20mA的(de)电(dian)(dian)流输出端(duan)(duan)(duan)，不能(neng)将24VDC电(dian)(dian)源线(xian)(xian)的(de)负极接(jie)(jie)(jie)在“-”端(duan)(duan)(duan)，否则(ze)检测不到变送(song)(song)器(qi)输出电(dian)(dian)流信号。②连(lian)接(jie)(jie)(jie)电(dian)(dian)缆(lan)(lan)的(de)时(shi)候应将出线(xian)(xian)电(dian)(dian)缆(lan)(lan)下垂。切忌电(dian)(dian)缆(lan)(lan)上翘，否则(ze)会将冷凝水导(dao)入变送(song)(song)器(qi)，造成(cheng)变送(song)(song)器(qi)的(de)损坏。唐山PIT智(zhi)能(neng)压(ya)力变送(song)(song)器(qi)

科威(wei)尔压(ya)(ya)力变(bian)送(song)(song)器(qi)概述(shu)PGT精密型压(ya)(ya)力变(bian)送(song)(song)器(qi)采用(yong)(yong)(yong)干式陶瓷电容传感(gan)器(qi)或(huo)陶瓷压(ya)(ya)阻(zu)传感(gan)器(qi)作(zuo)为测(ce)(ce)量(liang)(liang)单(dan)元(yuan)。陶瓷电容传感(gan)器(qi)采用(yong)(yong)(yong)电容测(ce)(ce)量(liang)(liang)原(yuan)理，作(zuo)用(yong)(yong)(yong)元(yuan)素单(dan)一，测(ce)(ce)量(liang)(liang)精度比较高(gao)可(ke)(ke)达0.1级，同时(shi)具有抗(kang)(kang)干扰、抗(kang)(kang)污及抗(kang)(kang)过(guo)(guo)载能力强等(deng)诸多优点(dian)；而陶瓷压(ya)(ya)阻(zu)传感(gan)器(qi)则具有测(ce)(ce)量(liang)(liang)范(fan)围广，抗(kang)(kang)过(guo)(guo)压(ya)(ya)能力更(geng)强等(deng)优点(dian)。变(bian)送(song)(song)器(qi)外观(guan)精美(mei)、体积小(xiao)巧、稳(wen)定可(ke)(ke)靠，适(shi)用(yong)(yong)(yong)于(yu)多种气(qi)体、液(ye)体的表(biao)压(ya)(ya)、绝压(ya)(ya)测(ce)(ce)量(liang)(liang)，是一款经(jing)济实(shi)用(yong)(yong)(yong)的压(ya)(ya)力测(ce)(ce)量(liang)(liang)元(yuan)件。PGT精密型压(ya)(ya)力变(bian)送(song)(song)器(qi)适(shi)用(yong)(yong)(yong)于(yu)气(qi)体、蒸汽、液(ye)体的 或(huo)相(xiang)对(dui)压(ya)(ya)力测(ce)(ce)量(liang)(liang)。广泛应用(yong)(yong)(yong)于(yu)水(shui)电、化(hua)学(xue)和石化(hua)工业等(deng)领域(yu)，用(yong)(yong)(yong)于(yu)工业过(guo)(guo)程(cheng)和一般过(guo)(guo)程(cheng)测(ce)(ce)量(liang)(liang)技术中。

压(ya)力变(bian)(bian)(bian)送(song)器注(zhu)意(yi)事项1.订货时应注(zhu)意(yi)注(zhu)明量(liang)程上(shang)限、测量(liang)方式、精(jing)度等级、接口尺寸(cun)等。2.货到后(hou)需(xu)方应按装箱(xiang)单(dan)检查仪表及附件是否齐全、完好，如(ru)有损(sun)(sun)坏，应尽快与供货方联系(xi)。3.变(bian)(bian)(bian)送(song)器应储存在干燥、通风、阴(yin)凉、无腐(fu)蚀性气体、绝缘良好及无危害因素的(de)室(shi)内，不得(de)将(jiang)变(bian)(bian)(bian)送(song)器放在高温(wen)、高湿场合保(bao)存的(de)环境中。4.变(bian)(bian)(bian)送(song)器在保(bao)存、移动或安装时，不得(de)摔碰，防止跌落，以免造成(cheng)传感(gan)(gan)器损(sun)(sun)伤和零点迁移。5.本(ben)产品(pin)属精(jing)密(mi)测量(liang)仪表，严禁(jin)随意(yi)冲(chong)击、强力支撑、拆(chai)卸或用尖锐的(de)器具(ju)捅引(yin)压(ya)孔传感(gan)(gan)器膜片。6.请确认(ren)按说明书(shu)中的(de)要求接线正(zheng)确后(hou)方可上(shang)电。7.敷设信号电缆时请与高电压(ya)，高频率设备及电缆保(bao)持(chi)安全距离(li)，以免造成(cheng)对变(bian)(bian)(bian)送(song) 器输出信号的(de)干扰及产生的(de)感(gan)(gan)应高电压(ya)损(sun)(sun)坏变(bian)(bian)(bian)送(song)器。8.严禁(jin)用户自行拆(chai)解变(bian)(bian)(bian)送(song)器或进行维修，否则不予保(bao)修。9.如(ru)变(bian)(bian)(bian)送(song)器不能正(zheng)常工作，请将(jiang)变(bian)(bian)(bian)送(song)器返回本(ben)公司检测。

科威(wei)尔压(ya)(ya)(ya)(ya)力(li)变(bian)(bian)送(song)(song)器(qi)(qi)特点(dian)(dian)PIT智能压(ya)(ya)(ya)(ya)力(li)变(bian)(bian)送(song)(song)器(qi)(qi)具(ju)有以下特点(dian)(dian)：1.采用(yong)进口传(chuan)感(gan)器(qi)(qi)，高(gao)(gao)精度(du)、高(gao)(gao)稳定(ding)性(xing)、高(gao)(gao)可(ke)靠性(xing)；2.数字、液晶压(ya)(ya)(ya)(ya)力(li)显示，显示直(zhi)观(guan)；3.抗(kang)干(gan)扰强、长(zhang)期(qi)稳定(ding)性(xing)好，优(you)于(yu)0.1%FS/年；4.抗(kang)震(zhen)动(dong)(dong)、抗(kang)冲(chong)击，可(ke)使(shi)用(yong)在(zai)有振动(dong)(dong)的工况；5.本质安全防爆；体(ti)积小、外形美观(guan)、性(xing)价比(bi)高(gao)(gao)；6. 量(liang)程范围宽，可(ke)测(ce)(ce)量(liang)绝压(ya)(ya)(ya)(ya)、表(biao)压(ya)(ya)(ya)(ya)和密(mi)(mi)封表(biao)压(ya)(ya)(ya)(ya)PGT精密(mi)(mi)型压(ya)(ya)(ya)(ya)力(li)变(bian)(bian)送(song)(song)器(qi)(qi)采用(yong)干(gan)式陶瓷电容(rong)传(chuan)感(gan)器(qi)(qi)或陶瓷压(ya)(ya)(ya)(ya)阻传(chuan)感(gan)器(qi)(qi)作为测(ce)(ce)量(liang)单元。陶瓷电容(rong)传(chuan)感(gan)器(qi)(qi)采用(yong)电容(rong)测(ce)(ce)量(liang)原理，作用(yong)元素(su)单一，测(ce)(ce)量(liang)精度(du)比(bi)较高(gao)(gao)可(ke)达0.1级，同(tong)时具(ju)有抗(kang)干(gan)扰、抗(kang)污(wu)及抗(kang)过载能力(li)强等诸多优(you)点(dian)(dian)北海PAT高(gao)(gao)频动(dong)(dong)态(tai)压(ya)(ya)(ya)(ya)力(li)变(bian)(bian)送(song)(song)器(qi)(qi)

新余PBT压(ya)力变送器(qi)

科(ke)威尔压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)的(de)分类压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)根据测量(liang)范围(wei)，可分成压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)、差压(ya)(ya)变(bian)送(song)(song)器(qi)(qi)和负压(ya)(ya)变(bian)送(song)(song)器(qi)(qi)三种；压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)根据传感器(qi)(qi)种类，可分为陶(tao)瓷压(ya)(ya)阻压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)、扩散硅压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)、电(dian)容(rong)式压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)和单晶硅压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)。​扩散硅压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)具有工作可靠、性(xing)能(neng)(neng)稳定、安(an)装(zhuang)使(shi)用方便、体积小(xiao)、重量(liang)轻(qing)、性(xing)能(neng)(neng)价(jia)格比(bi)高(gao)等(deng)特点，在各种正负压(ya)(ya)力(li)测量(liang)中得(de)到了 的(de)应用，是(shi)目前市场(chang)上占有率(lv)比(bi)较高(gao)的(de)。电(dian)容(rong)式压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)应其精度(du)高(gao)、稳定性(xing)能(neng)(neng)好、抗干扰能(neng)(neng)力(li)强(qiang)、抗过压(ya)(ya)能(neng)(neng)力(li)强(qiang)等(deng)特点，在工业场(chang)合使(shi)用率(lv)高(gao)。新余PBT压(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)

深(shen)圳(zhen)市科(ke)威(wei)(wei)(wei)尔(er)(er)自动化控制有(you)(you)限公司(si)位于(yu)深(shen)圳(zhen)市龙(long)岗(gang)区横岗(gang)街(jie)道(dao)龙(long)岗(gang)大道(dao)3278号联建楼二(er)楼202-4-A。在市场(chang)经(jing)济的(de)浪(lang)潮中拼博和发展(zhan)，目前(qian)深(shen)圳(zhen)科(ke)威(wei)(wei)(wei)尔(er)(er)在仪器仪表中拥有(you)(you)较(jiao)高(gao)的(de)**度，享有(you)(you)良好(hao)(hao)的(de)声誉。深(shen)圳(zhen)科(ke)威(wei)(wei)(wei)尔(er)(er)取得全网(wang)商盟认证，标志着(zhe)我们的(de)服(fu)务和管(guan)理水平达(da)到了一个(ge)新的(de)高(gao)度。深(shen)圳(zhen)科(ke)威(wei)(wei)(wei)尔(er)(er)全体员工愿与各界(jie)有(you)(you)识之士共(gong)(gong)同发展(zhan)，共(gong)(gong)创(chuang)美好(hao)(hao)未来。

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