科威尔压(ya)(ya)(ya)(ya)(ya)力变(bian)(bian)(bian)送(song)器(qi)(qi)(qi)工作(zuo)原(yuan)理陶瓷(ci)(ci)电(dian)容(rong)传(chuan)感器(qi)(qi)(qi)的(de)(de)(de)(de)设计是基于(yu)电(dian)容(rong)值的(de)(de)(de)(de)大小在(zai)其他条(tiao)件不变(bian)(bian)(bian)时(shi)，只与两极间(jian)的(de)(de)(de)(de)距离相关的(de)(de)(de)(de)原(yuan)理。由(you)陶瓷(ci)(ci)膜(mo)片(pian)(pian)及衬(chen)底构(gou)成(cheng)电(dian)容(rong)两极，测量(liang)时(shi)，过(guo)(guo)程(cheng)压(ya)(ya)(ya)(ya)(ya)力直(zhi)接(jie)作(zuo)用(yong)于(yu)坚固(gu)耐腐蚀的(de)(de)(de)(de)陶瓷(ci)(ci)膜(mo)片(pian)(pian)上，使之(zhi)产生(sheng)弹性位(wei)移(yi)，就可以从(cong)衬(chen)底和(he)膜(mo)片(pian)(pian)之(zhi)间(jian)检测到(dao)电(dian)容(rong)的(de)(de)(de)(de)变(bian)(bian)(bian)化，经(jing)(jing)微调(diao)电(dian)路作(zuo)用(yong)后，输出一个精确的(de)(de)(de)(de)电(dian)压(ya)(ya)(ya)(ya)(ya)信(xin)(xin)号(hao)，再(zai)通过(guo)(guo)变(bian)(bian)(bian)送(song)器(qi)(qi)(qi)转换成(cheng)对应(ying)的(de)(de)(de)(de)4~20mA信(xin)(xin)号(hao)输出。陶瓷(ci)(ci)压(ya)(ya)(ya)(ya)(ya)阻(zu)(zu)(zu)传(chuan)感器(qi)(qi)(qi)的(de)(de)(de)(de)原(yuan)理是压(ya)(ya)(ya)(ya)(ya)敏电(dian)阻(zu)(zu)(zu)的(de)(de)(de)(de)压(ya)(ya)(ya)(ya)(ya)阻(zu)(zu)(zu)效应(ying)及硅材料受(shou)压(ya)(ya)(ya)(ya)(ya)力作(zuo)用(yong)时(shi)电(dian)阻(zu)(zu)(zu)发生(sheng)变(bian)(bian)(bian)化的(de)(de)(de)(de)特性。电(dian)阻(zu)(zu)(zu)印刷(shua)在(zai)陶瓷(ci)(ci)膜(mo)片(pian)(pian)的(de)(de)(de)(de)背(bei)面，连(lian)接(jie)成(cheng)一个惠(hui)斯通电(dian)桥(qiao)（闭(bi)桥(qiao)），测量(liang)时(shi)，压(ya)(ya)(ya)(ya)(ya)力直(zhi)接(jie)作(zuo)用(yong)在(zai)膜(mo)片(pian)(pian)上，使之(zhi)产生(sheng)微小的(de)(de)(de)(de)形变(bian)(bian)(bian)，改变(bian)(bian)(bian)桥(qiao)臂(bei)电(dian)阻(zu)(zu)(zu)，经(jing)(jing)过(guo)(guo)微调(diao)电(dian)路放大后，使电(dian)桥(qiao)产生(sheng)一个与压(ya)(ya)(ya)(ya)(ya)力成(cheng)正比的(de)(de)(de)(de)电(dian)压(ya)(ya)(ya)(ya)(ya)信(xin)(xin)号(hao)，再(zai)通过(guo)(guo)变(bian)(bian)(bian)送(song)器(qi)(qi)(qi)转换成(cheng)对应(ying)的(de)(de)(de)(de)4~20mA信(xin)(xin)号(hao)输出。新余PBT压(ya)(ya)(ya)(ya)(ya)力变(bian)(bian)(bian)送(song)器(qi)(qi)(qi)

压力变(bian)送(song)器(qi)(qi)安(an)装及调试1. 安(an)装按(an)以(yi)下(xia)步骤(zhou)进行操作：1)将(jiang)(jiang)变(bian)送(song)器(qi)(qi)通过连(lian)接螺纹安(an)装在测量(liang)口(kou)位置。2)旋(xuan)(xuan)开变(bian)送(song)器(qi)(qi)上盖，旋(xuan)(xuan)松电(dian)(dian)(dian)缆(lan)密封接头，拔下(xia)接线(xian)(xian)端(duan)子，将(jiang)(jiang)电(dian)(dian)(dian)缆(lan)线(xian)(xian)（≤Ф8）穿过电(dian)(dian)(dian)缆(lan)密封接头，按(an)说(shuo)明书要求(qiu)接线(xian)(xian)图连(lian)线(xian)(xian)。3)旋(xuan)(xuan)紧电(dian)(dian)(dian)缆(lan)密封接头，整理(li)、固定(ding)引出的电(dian)(dian)(dian)缆(lan)线(xian)(xian)，同时旋(xuan)(xuan)上变(bian)送(song)器(qi)(qi)上盖。注1：①接线(xian)(xian)端(duan)子“-”端(duan)为4~20mA的电(dian)(dian)(dian)流输出端(duan)，不(bu)能将(jiang)(jiang)24VDC电(dian)(dian)(dian)源线(xian)(xian)的负极(ji)接在“-”端(duan)，否则(ze)检(jian)测不(bu)到变(bian)送(song)器(qi)(qi)输出电(dian)(dian)(dian)流信号。②连(lian)接电(dian)(dian)(dian)缆(lan)的时候应将(jiang)(jiang)出线(xian)(xian)电(dian)(dian)(dian)缆(lan)下(xia)垂。切忌(ji)电(dian)(dian)(dian)缆(lan)上翘，否则(ze)会将(jiang)(jiang)冷凝(ning)水导入变(bian)送(song)器(qi)(qi)，造成变(bian)送(song)器(qi)(qi)的损坏。唐山PIT智能压力变(bian)送(song)器(qi)(qi)

科威尔压(ya)(ya)力(li)(li)(li)(li)变送器(qi)(qi)(qi)(qi)概述PGT精(jing)密(mi)型(xing)压(ya)(ya)力(li)(li)(li)(li)变送器(qi)(qi)(qi)(qi)采用(yong)(yong)(yong)干式陶(tao)瓷(ci)电容(rong)传(chuan)感器(qi)(qi)(qi)(qi)或(huo)(huo)陶(tao)瓷(ci)压(ya)(ya)阻(zu)传(chuan)感器(qi)(qi)(qi)(qi)作为测(ce)(ce)(ce)量(liang)(liang)(liang)单(dan)元(yuan)(yuan)。陶(tao)瓷(ci)电容(rong)传(chuan)感器(qi)(qi)(qi)(qi)采用(yong)(yong)(yong)电容(rong)测(ce)(ce)(ce)量(liang)(liang)(liang)原理，作用(yong)(yong)(yong)元(yuan)(yuan)素单(dan)一，测(ce)(ce)(ce)量(liang)(liang)(liang)精(jing)度比较高可达0.1级，同时具有抗(kang)干扰、抗(kang)污及(ji)抗(kang)过(guo)载能(neng)力(li)(li)(li)(li)强等诸多优点(dian)(dian)；而陶(tao)瓷(ci)压(ya)(ya)阻(zu)传(chuan)感器(qi)(qi)(qi)(qi)则(ze)具有测(ce)(ce)(ce)量(liang)(liang)(liang)范围广，抗(kang)过(guo)压(ya)(ya)能(neng)力(li)(li)(li)(li)更强等优点(dian)(dian)。变送器(qi)(qi)(qi)(qi)外观精(jing)美、体(ti)(ti)积小巧、稳定可靠，适用(yong)(yong)(yong)于(yu)多种气体(ti)(ti)、液(ye)体(ti)(ti)的(de)表(biao)压(ya)(ya)、绝(jue)压(ya)(ya)测(ce)(ce)(ce)量(liang)(liang)(liang)，是一款经济实用(yong)(yong)(yong)的(de)压(ya)(ya)力(li)(li)(li)(li)测(ce)(ce)(ce)量(liang)(liang)(liang)元(yuan)(yuan)件(jian)。PGT精(jing)密(mi)型(xing)压(ya)(ya)力(li)(li)(li)(li)变送器(qi)(qi)(qi)(qi)适用(yong)(yong)(yong)于(yu)气体(ti)(ti)、蒸汽、液(ye)体(ti)(ti)的(de) 或(huo)(huo)相对压(ya)(ya)力(li)(li)(li)(li)测(ce)(ce)(ce)量(liang)(liang)(liang)。广泛应用(yong)(yong)(yong)于(yu)水电、化学和(he)石化工(gong)业(ye)等领(ling)域，用(yong)(yong)(yong)于(yu)工(gong)业(ye)过(guo)程(cheng)和(he)一般过(guo)程(cheng)测(ce)(ce)(ce)量(liang)(liang)(liang)技术中。

压(ya)力变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)注意事项1.订货(huo)时应(ying)注意注明(ming)(ming)量程上(shang)限、测(ce)量方式、精度等级、接(jie)口尺寸(cun)等。2.货(huo)到(dao)后需(xu)方应(ying)按装箱单检查仪表(biao)及(ji)(ji)附件(jian)是否齐全、完好(hao)，如有损(sun)坏(huai)，应(ying)尽快与供(gong)货(huo)方联系(xi)。3.变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)应(ying)储存(cun)(cun)在干燥、通风、阴凉、无(wu)腐蚀性(xing)气(qi)体、绝缘良好(hao)及(ji)(ji)无(wu)危害因素的(de)室内，不(bu)(bu)得(de)将变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)放(fang)在高(gao)温、高(gao)湿场合保(bao)(bao)存(cun)(cun)的(de)环境中。4.变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)在保(bao)(bao)存(cun)(cun)、移动或安装时，不(bu)(bu)得(de)摔碰，防止跌落，以(yi)免造成传(chuan)感(gan)(gan)器(qi)(qi)(qi)损(sun)伤和(he)零点迁移。5.本产(chan)品属精密(mi)测(ce)量仪表(biao)，严禁随意冲(chong)击、强(qiang)力支撑、拆(chai)卸(xie)或用(yong)(yong)尖锐的(de)器(qi)(qi)(qi)具捅引压(ya)孔传(chuan)感(gan)(gan)器(qi)(qi)(qi)膜片(pian)。6.请(qing)确(que)认(ren)按说明(ming)(ming)书中的(de)要求接(jie)线正确(que)后方可(ke)上(shang)电(dian)。7.敷设(she)信(xin)(xin)号(hao)电(dian)缆时请(qing)与高(gao)电(dian)压(ya)，高(gao)频率设(she)备(bei)及(ji)(ji)电(dian)缆保(bao)(bao)持安全距离，以(yi)免造成对(dui)变(bian)(bian)(bian)送(song)(song) 器(qi)(qi)(qi)输出信(xin)(xin)号(hao)的(de)干扰及(ji)(ji)产(chan)生的(de)感(gan)(gan)应(ying)高(gao)电(dian)压(ya)损(sun)坏(huai)变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)。8.严禁用(yong)(yong)户(hu)自(zi)行拆(chai)解变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)或进行维(wei)修，否则(ze)不(bu)(bu)予保(bao)(bao)修。9.如变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)不(bu)(bu)能正常工作，请(qing)将变(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)返回本公司检测(ce)。

科威尔压(ya)力(li)变送器特(te)点PIT智(zhi)能(neng)压(ya)力(li)变送器具有(you)以下特(te)点：1.采用(yong)进口传感器，高(gao)精度、高(gao)稳(wen)定性、高(gao)可(ke)靠性；2.数字、液(ye)晶压(ya)力(li)显示(shi)，显示(shi)直观；3.抗(kang)(kang)干扰(rao)强、长期稳(wen)定性好，优(you)于0.1%FS/年(nian)；4.抗(kang)(kang)震(zhen)动、抗(kang)(kang)冲(chong)击，可(ke)使(shi)用(yong)在有(you)振动的(de)工况；5.本(ben)质安全防爆；体积(ji)小、外形美观、性价比高(gao)；6. 量程范围(wei)宽(kuan)，可(ke)测量绝压(ya)、表压(ya)和密(mi)(mi)封(feng)表压(ya)PGT精密(mi)(mi)型压(ya)力(li)变送器采用(yong)干式陶瓷电容传感器或陶瓷压(ya)阻传感器作为测量单元(yuan)。陶瓷电容传感器采用(yong)电容测量原理，作用(yong)元(yuan)素单一，测量精度比较高(gao)可(ke)达0.1级，同时具有(you)抗(kang)(kang)干扰(rao)、抗(kang)(kang)污及(ji)抗(kang)(kang)过载能(neng)力(li)强等(deng)诸多优(you)点北海PAT高(gao)频(pin)动态(tai)压(ya)力(li)变送器

新余PBT压力变送(song)器

科(ke)威尔(er)压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的分(fen)类压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)根据测量范围，可(ke)(ke)分(fen)成压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)、差压(ya)(ya)(ya)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)和负(fu)压(ya)(ya)(ya)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)三种；压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)根据传感器(qi)(qi)(qi)(qi)(qi)(qi)种类，可(ke)(ke)分(fen)为陶(tao)瓷压(ya)(ya)(ya)阻压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)、扩散(san)硅压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)、电容式压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)和单晶硅压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)。​扩散(san)硅压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)具有工(gong)作可(ke)(ke)靠、性(xing)能(neng)稳定、安装使用方便、体积(ji)小、重量轻、性(xing)能(neng)价(jia)格比高等(deng)特点，在各种正负(fu)压(ya)(ya)(ya)力(li)(li)(li)(li)测量中(zhong)得到了 的应(ying)用，是目前市场(chang)上占(zhan)有率(lv)比较(jiao)高的。电容式压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)应(ying)其精(jing)度高、稳定性(xing)能(neng)好、抗干扰能(neng)力(li)(li)(li)(li)强、抗过(guo)压(ya)(ya)(ya)能(neng)力(li)(li)(li)(li)强等(deng)特点，在工(gong)业(ye)场(chang)合使用率(lv)高。新余(yu)PBT压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)送(song)(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)

深圳(zhen)市(shi)(shi)科(ke)威(wei)尔(er)自动化控制有(you)限(xian)公司位于深圳(zhen)市(shi)(shi)龙岗区横岗街(jie)道龙岗大道3278号(hao)联建楼二楼202-4-A。在市(shi)(shi)场经(jing)济的(de)(de)浪潮中拼博和(he)发展(zhan)，目前(qian)深圳(zhen)科(ke)威(wei)尔(er)在仪(yi)器(qi)仪(yi)表中拥有(you)较高(gao)(gao)的(de)(de)**度，享(xiang)有(you)良好(hao)的(de)(de)声誉。深圳(zhen)科(ke)威(wei)尔(er)取得全(quan)网商盟认证(zheng)，标志着我们的(de)(de)服务和(he)管理水平达到了(le)一个(ge)新的(de)(de)高(gao)(gao)度。深圳(zhen)科(ke)威(wei)尔(er)全(quan)体员工愿(yuan)与(yu)各界有(you)识(shi)之(zhi)士(shi)共同发展(zhan)，共创美好(hao)未来。

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