科威尔(er)压(ya)力(li)(li)变(bian)(bian)送器(qi)工作(zuo)原(yuan)(yuan)理(li)陶(tao)瓷(ci)电(dian)容传感(gan)器(qi)的(de)(de)设计是(shi)基于(yu)(yu)电(dian)容值的(de)(de)大(da)小(xiao)在其他(ta)条件不变(bian)(bian)时(shi)，只与两(liang)极(ji)间的(de)(de)距离相(xiang)关的(de)(de)原(yuan)(yuan)理(li)。由陶(tao)瓷(ci)膜(mo)片(pian)及(ji)衬底构成电(dian)容两(liang)极(ji)，测(ce)量(liang)时(shi)，过(guo)程(cheng)压(ya)力(li)(li)直(zhi)接作(zuo)用(yong)于(yu)(yu)坚(jian)固耐腐蚀的(de)(de)陶(tao)瓷(ci)膜(mo)片(pian)上(shang)，使之产生弹性位移，就(jiu)可以(yi)从(cong)衬底和膜(mo)片(pian)之间检测(ce)到电(dian)容的(de)(de)变(bian)(bian)化，经微调(diao)电(dian)路作(zuo)用(yong)后(hou)，输(shu)出一个(ge)精确的(de)(de)电(dian)压(ya)信(xin)号，再通(tong)过(guo)变(bian)(bian)送器(qi)转换(huan)成对(dui)应(ying)的(de)(de)4~20mA信(xin)号输(shu)出。陶(tao)瓷(ci)压(ya)阻(zu)传感(gan)器(qi)的(de)(de)原(yuan)(yuan)理(li)是(shi)压(ya)敏电(dian)阻(zu)的(de)(de)压(ya)阻(zu)效(xiao)应(ying)及(ji)硅材料受压(ya)力(li)(li)作(zuo)用(yong)时(shi)电(dian)阻(zu)发生变(bian)(bian)化的(de)(de)特(te)性。电(dian)阻(zu)印(yin)刷在陶(tao)瓷(ci)膜(mo)片(pian)的(de)(de)背(bei)面，连接成一个(ge)惠斯通(tong)电(dian)桥(qiao)(qiao)(qiao)（闭桥(qiao)(qiao)(qiao)），测(ce)量(liang)时(shi)，压(ya)力(li)(li)直(zhi)接作(zuo)用(yong)在膜(mo)片(pian)上(shang)，使之产生微小(xiao)的(de)(de)形变(bian)(bian)，改变(bian)(bian)桥(qiao)(qiao)(qiao)臂电(dian)阻(zu)，经过(guo)微调(diao)电(dian)路放(fang)大(da)后(hou)，使电(dian)桥(qiao)(qiao)(qiao)产生一个(ge)与压(ya)力(li)(li)成正比的(de)(de)电(dian)压(ya)信(xin)号，再通(tong)过(guo)变(bian)(bian)送器(qi)转换(huan)成对(dui)应(ying)的(de)(de)4~20mA信(xin)号输(shu)出。新余PBT压(ya)力(li)(li)变(bian)(bian)送器(qi)

压(ya)力变(bian)(bian)(bian)送(song)器(qi)(qi)安(an)装及(ji)调试1. 安(an)装按以下步(bu)骤进行操作：1)将(jiang)(jiang)变(bian)(bian)(bian)送(song)器(qi)(qi)通过(guo)(guo)连接(jie)螺纹安(an)装在测量口位(wei)置。2)旋开变(bian)(bian)(bian)送(song)器(qi)(qi)上(shang)盖，旋松(song)电(dian)(dian)缆(lan)(lan)密封接(jie)头，拔下接(jie)线(xian)(xian)端(duan)子，将(jiang)(jiang)电(dian)(dian)缆(lan)(lan)线(xian)(xian)（≤Ф8）穿过(guo)(guo)电(dian)(dian)缆(lan)(lan)密封接(jie)头，按说明书(shu)要求接(jie)线(xian)(xian)图连线(xian)(xian)。3)旋紧电(dian)(dian)缆(lan)(lan)密封接(jie)头，整理、固定引出(chu)的(de)电(dian)(dian)缆(lan)(lan)线(xian)(xian)，同时旋上(shang)变(bian)(bian)(bian)送(song)器(qi)(qi)上(shang)盖。注1：①接(jie)线(xian)(xian)端(duan)子“-”端(duan)为(wei)4~20mA的(de)电(dian)(dian)流输出(chu)端(duan)，不能将(jiang)(jiang)24VDC电(dian)(dian)源线(xian)(xian)的(de)负(fu)极接(jie)在“-”端(duan)，否(fou)则检测不到变(bian)(bian)(bian)送(song)器(qi)(qi)输出(chu)电(dian)(dian)流信号。②连接(jie)电(dian)(dian)缆(lan)(lan)的(de)时候应将(jiang)(jiang)出(chu)线(xian)(xian)电(dian)(dian)缆(lan)(lan)下垂。切忌电(dian)(dian)缆(lan)(lan)上(shang)翘，否(fou)则会将(jiang)(jiang)冷(leng)凝(ning)水导入(ru)变(bian)(bian)(bian)送(song)器(qi)(qi)，造成变(bian)(bian)(bian)送(song)器(qi)(qi)的(de)损坏。唐山PIT智能压(ya)力变(bian)(bian)(bian)送(song)器(qi)(qi)

科(ke)威尔压(ya)力(li)(li)变(bian)送(song)(song)器(qi)(qi)(qi)概述PGT精密型(xing)(xing)压(ya)力(li)(li)变(bian)送(song)(song)器(qi)(qi)(qi)采用(yong)(yong)(yong)干(gan)(gan)式陶(tao)(tao)(tao)瓷电容传(chuan)感器(qi)(qi)(qi)或陶(tao)(tao)(tao)瓷压(ya)阻传(chuan)感器(qi)(qi)(qi)作为测(ce)量(liang)(liang)单元。陶(tao)(tao)(tao)瓷电容传(chuan)感器(qi)(qi)(qi)采用(yong)(yong)(yong)电容测(ce)量(liang)(liang)原理(li)，作用(yong)(yong)(yong)元素单一，测(ce)量(liang)(liang)精度比较高可(ke)达(da)0.1级，同时具(ju)有(you)抗(kang)(kang)(kang)干(gan)(gan)扰、抗(kang)(kang)(kang)污及抗(kang)(kang)(kang)过(guo)载能力(li)(li)强等(deng)诸多(duo)优点；而陶(tao)(tao)(tao)瓷压(ya)阻传(chuan)感器(qi)(qi)(qi)则具(ju)有(you)测(ce)量(liang)(liang)范围(wei)广(guang)，抗(kang)(kang)(kang)过(guo)压(ya)能力(li)(li)更(geng)强等(deng)优点。变(bian)送(song)(song)器(qi)(qi)(qi)外观精美、体(ti)(ti)(ti)积小巧、稳定可(ke)靠，适用(yong)(yong)(yong)于(yu)多(duo)种气体(ti)(ti)(ti)、液体(ti)(ti)(ti)的表压(ya)、绝压(ya)测(ce)量(liang)(liang)，是一款经济实用(yong)(yong)(yong)的压(ya)力(li)(li)测(ce)量(liang)(liang)元件(jian)。PGT精密型(xing)(xing)压(ya)力(li)(li)变(bian)送(song)(song)器(qi)(qi)(qi)适用(yong)(yong)(yong)于(yu)气体(ti)(ti)(ti)、蒸汽、液体(ti)(ti)(ti)的 或相对压(ya)力(li)(li)测(ce)量(liang)(liang)。广(guang)泛(fan)应用(yong)(yong)(yong)于(yu)水电、化学和(he)石化工业等(deng)领域，用(yong)(yong)(yong)于(yu)工业过(guo)程和(he)一般过(guo)程测(ce)量(liang)(liang)技术中(zhong)。

压(ya)(ya)力(li)变送(song)(song)器(qi)注意事项1.订货(huo)时应(ying)注意注明(ming)量(liang)程上限、测(ce)量(liang)方(fang)式、精(jing)度等(deng)级、接口尺寸等(deng)。2.货(huo)到后需方(fang)应(ying)按装(zhuang)箱(xiang)单检(jian)查仪(yi)表及(ji)附件是否(fou)(fou)齐全、完好，如有损坏(huai)，应(ying)尽快与(yu)供货(huo)方(fang)联系。3.变送(song)(song)器(qi)应(ying)储存在干燥、通风、阴凉、无(wu)腐蚀性气体、绝缘良好及(ji)无(wu)危害(hai)因素(su)的(de)室内，不(bu)得将变送(song)(song)器(qi)放在高(gao)(gao)(gao)温(wen)、高(gao)(gao)(gao)湿场(chang)合保存的(de)环境中。4.变送(song)(song)器(qi)在保存、移动或(huo)(huo)安(an)装(zhuang)时，不(bu)得摔碰，防(fang)止(zhi)跌落，以免造成传感器(qi)损伤和零点迁移。5.本产(chan)品属精(jing)密(mi)测(ce)量(liang)仪(yi)表，严(yan)禁随意冲(chong)击、强力(li)支撑、拆(chai)卸或(huo)(huo)用尖锐的(de)器(qi)具捅引压(ya)(ya)孔传感器(qi)膜片。6.请确认按说明(ming)书中的(de)要求接线正确后方(fang)可上电(dian)(dian)。7.敷设(she)信(xin)号电(dian)(dian)缆(lan)时请与(yu)高(gao)(gao)(gao)电(dian)(dian)压(ya)(ya)，高(gao)(gao)(gao)频(pin)率设(she)备及(ji)电(dian)(dian)缆(lan)保持(chi)安(an)全距离，以免造成对变送(song)(song) 器(qi)输出信(xin)号的(de)干扰及(ji)产(chan)生的(de)感应(ying)高(gao)(gao)(gao)电(dian)(dian)压(ya)(ya)损坏(huai)变送(song)(song)器(qi)。8.严(yan)禁用户自(zi)行拆(chai)解(jie)变送(song)(song)器(qi)或(huo)(huo)进行维修(xiu)，否(fou)(fou)则不(bu)予保修(xiu)。9.如变送(song)(song)器(qi)不(bu)能正常工(gong)作，请将变送(song)(song)器(qi)返(fan)回本公司检(jian)测(ce)。

科威(wei)尔压(ya)(ya)力(li)(li)变(bian)(bian)送器(qi)特点(dian)PIT智(zhi)能压(ya)(ya)力(li)(li)变(bian)(bian)送器(qi)具有(you)以下特点(dian)：1.采用进口传感器(qi)，高(gao)(gao)(gao)(gao)精度(du)、高(gao)(gao)(gao)(gao)稳定性(xing)(xing)、高(gao)(gao)(gao)(gao)可靠性(xing)(xing)；2.数字、液晶压(ya)(ya)力(li)(li)显示，显示直观；3.抗干扰强(qiang)、长(zhang)期稳定性(xing)(xing)好(hao)，优(you)于0.1%FS/年；4.抗震动、抗冲击，可使用在有(you)振动的(de)工况；5.本质安全防爆(bao)；体积小、外形美观、性(xing)(xing)价比高(gao)(gao)(gao)(gao)；6. 量程范围宽(kuan)，可测(ce)量绝压(ya)(ya)、表(biao)压(ya)(ya)和密封表(biao)压(ya)(ya)PGT精密型压(ya)(ya)力(li)(li)变(bian)(bian)送器(qi)采用干式陶瓷电容传感器(qi)或陶瓷压(ya)(ya)阻传感器(qi)作为测(ce)量单元(yuan)。陶瓷电容传感器(qi)采用电容测(ce)量原理(li)，作用元(yuan)素(su)单一，测(ce)量精度(du)比较(jiao)高(gao)(gao)(gao)(gao)可达0.1级，同时具有(you)抗干扰、抗污及抗过(guo)载(zai)能力(li)(li)强(qiang)等诸多优(you)点(dian)北海PAT高(gao)(gao)(gao)(gao)频动态压(ya)(ya)力(li)(li)变(bian)(bian)送器(qi)

新余PBT压力变(bian)送器

科威(wei)尔压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)的(de)分类压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)根据(ju)测量(liang)(liang)范(fan)围，可分成压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)、差压(ya)(ya)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)和负压(ya)(ya)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)三种(zhong)；压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)根据(ju)传感器(qi)(qi)(qi)(qi)(qi)种(zhong)类，可分为陶(tao)瓷压(ya)(ya)阻(zu)压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)、扩散硅(gui)(gui)压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)、电容式压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)和单(dan)晶硅(gui)(gui)压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)。​扩散硅(gui)(gui)压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)具有工(gong)作可靠(kao)、性(xing)能稳(wen)定、安装使用方(fang)便(bian)、体积小、重量(liang)(liang)轻、性(xing)能价格(ge)比高(gao)等特点，在(zai)各种(zhong)正负压(ya)(ya)力(li)(li)测量(liang)(liang)中得到了 的(de)应用，是目前市场上占有率(lv)比较高(gao)的(de)。电容式压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)应其(qi)精度高(gao)、稳(wen)定性(xing)能好、抗干扰能力(li)(li)强、抗过(guo)压(ya)(ya)能力(li)(li)强等特点，在(zai)工(gong)业(ye)场合使用率(lv)高(gao)。新余PBT压(ya)(ya)力(li)(li)变(bian)(bian)(bian)送器(qi)(qi)(qi)(qi)(qi)

深(shen)圳(zhen)市科(ke)(ke)威尔(er)自(zi)动化控制有限公(gong)司位于深(shen)圳(zhen)市龙(long)岗(gang)(gang)区横岗(gang)(gang)街道(dao)龙(long)岗(gang)(gang)大道(dao)3278号(hao)联建(jian)楼二楼202-4-A。在市场(chang)经济的浪潮中拼博和发(fa)展(zhan)，目前深(shen)圳(zhen)科(ke)(ke)威尔(er)在仪(yi)器(qi)仪(yi)表(biao)中拥有较高的**度，享有良好的声誉。深(shen)圳(zhen)科(ke)(ke)威尔(er)取得全(quan)网商盟(meng)认证，标志(zhi)着我(wo)们的服务和管理水平(ping)达(da)到了一个(ge)新的高度。深(shen)圳(zhen)科(ke)(ke)威尔(er)全(quan)体员工(gong)愿与(yu)各界有识(shi)之士共(gong)(gong)同发(fa)展(zhan)，共(gong)(gong)创(chuang)美好未来。

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