科(ke)威尔压(ya)(ya)力(li)变(bian)送器(qi)(qi)(qi)(qi)工作(zuo)原理陶(tao)瓷(ci)电(dian)(dian)容(rong)传(chuan)感(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)设计是(shi)基于电(dian)(dian)容(rong)值的(de)(de)(de)(de)(de)(de)大(da)小在(zai)其他条件不(bu)变(bian)时，只与两极间(jian)的(de)(de)(de)(de)(de)(de)距离相(xiang)关的(de)(de)(de)(de)(de)(de)原理。由陶(tao)瓷(ci)膜片及衬底构成(cheng)电(dian)(dian)容(rong)两极，测量时，过程压(ya)(ya)力(li)直接(jie)作(zuo)用于坚固耐腐蚀的(de)(de)(de)(de)(de)(de)陶(tao)瓷(ci)膜片上，使(shi)之(zhi)(zhi)(zhi)产生(sheng)弹性位移，就可以从衬底和膜片之(zhi)(zhi)(zhi)间(jian)检测到电(dian)(dian)容(rong)的(de)(de)(de)(de)(de)(de)变(bian)化，经微调电(dian)(dian)路作(zuo)用后，输出(chu)一个(ge)精(jing)确的(de)(de)(de)(de)(de)(de)电(dian)(dian)压(ya)(ya)信号(hao)，再通(tong)过变(bian)送器(qi)(qi)(qi)(qi)转换成(cheng)对应的(de)(de)(de)(de)(de)(de)4~20mA信号(hao)输出(chu)。陶(tao)瓷(ci)压(ya)(ya)阻(zu)传(chuan)感(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)原理是(shi)压(ya)(ya)敏电(dian)(dian)阻(zu)的(de)(de)(de)(de)(de)(de)压(ya)(ya)阻(zu)效(xiao)应及硅(gui)材(cai)料受压(ya)(ya)力(li)作(zuo)用时电(dian)(dian)阻(zu)发(fa)生(sheng)变(bian)化的(de)(de)(de)(de)(de)(de)特性。电(dian)(dian)阻(zu)印(yin)刷在(zai)陶(tao)瓷(ci)膜片的(de)(de)(de)(de)(de)(de)背面，连接(jie)成(cheng)一个(ge)惠斯通(tong)电(dian)(dian)桥（闭(bi)桥），测量时，压(ya)(ya)力(li)直接(jie)作(zuo)用在(zai)膜片上，使(shi)之(zhi)(zhi)(zhi)产生(sheng)微小的(de)(de)(de)(de)(de)(de)形变(bian)，改变(bian)桥臂电(dian)(dian)阻(zu)，经过微调电(dian)(dian)路放大(da)后，使(shi)电(dian)(dian)桥产生(sheng)一个(ge)与压(ya)(ya)力(li)成(cheng)正比的(de)(de)(de)(de)(de)(de)电(dian)(dian)压(ya)(ya)信号(hao)，再通(tong)过变(bian)送器(qi)(qi)(qi)(qi)转换成(cheng)对应的(de)(de)(de)(de)(de)(de)4~20mA信号(hao)输出(chu)。新余PBT压(ya)(ya)力(li)变(bian)送器(qi)(qi)(qi)(qi)

压力变(bian)送(song)(song)(song)器安装及调试(shi)1. 安装按(an)以下步骤(zhou)进(jin)行(xing)操作：1)将(jiang)变(bian)送(song)(song)(song)器通过连接螺纹安装在测量(liang)口位置。2)旋(xuan)开变(bian)送(song)(song)(song)器上盖，旋(xuan)松电(dian)缆(lan)(lan)密(mi)封接头(tou)，拔下接线(xian)端子，将(jiang)电(dian)缆(lan)(lan)线(xian)（≤Ф8）穿过电(dian)缆(lan)(lan)密(mi)封接头(tou)，按(an)说明书要(yao)求接线(xian)图连线(xian)。3)旋(xuan)紧电(dian)缆(lan)(lan)密(mi)封接头(tou)，整理(li)、固定(ding)引出(chu)的(de)电(dian)缆(lan)(lan)线(xian)，同时旋(xuan)上变(bian)送(song)(song)(song)器上盖。注1：①接线(xian)端子“-”端为4~20mA的(de)电(dian)流输出(chu)端，不能将(jiang)24VDC电(dian)源线(xian)的(de)负极接在“-”端，否(fou)则检测不到变(bian)送(song)(song)(song)器输出(chu)电(dian)流信号。②连接电(dian)缆(lan)(lan)的(de)时候应将(jiang)出(chu)线(xian)电(dian)缆(lan)(lan)下垂。切(qie)忌电(dian)缆(lan)(lan)上翘，否(fou)则会将(jiang)冷凝水导入变(bian)送(song)(song)(song)器，造成(cheng)变(bian)送(song)(song)(song)器的(de)损坏。唐山PIT智能压力变(bian)送(song)(song)(song)器

科威尔压(ya)力(li)(li)(li)变送(song)器(qi)概述PGT精(jing)密型压(ya)力(li)(li)(li)变送(song)器(qi)采(cai)用(yong)(yong)(yong)干(gan)(gan)式陶瓷电(dian)(dian)容传(chuan)感(gan)(gan)器(qi)或陶瓷压(ya)阻传(chuan)感(gan)(gan)器(qi)作为测(ce)量(liang)单元(yuan)(yuan)。陶瓷电(dian)(dian)容传(chuan)感(gan)(gan)器(qi)采(cai)用(yong)(yong)(yong)电(dian)(dian)容测(ce)量(liang)原理，作用(yong)(yong)(yong)元(yuan)(yuan)素单一，测(ce)量(liang)精(jing)度比较高可达0.1级，同时具有抗干(gan)(gan)扰、抗污及抗过(guo)载能力(li)(li)(li)强等(deng)诸多优(you)点；而陶瓷压(ya)阻传(chuan)感(gan)(gan)器(qi)则具有测(ce)量(liang)范围广(guang)，抗过(guo)压(ya)能力(li)(li)(li)更强等(deng)优(you)点。变送(song)器(qi)外观精(jing)美、体(ti)积小巧、稳定可靠(kao)，适用(yong)(yong)(yong)于多种气(qi)(qi)体(ti)、液体(ti)的表压(ya)、绝压(ya)测(ce)量(liang)，是一款经济实(shi)用(yong)(yong)(yong)的压(ya)力(li)(li)(li)测(ce)量(liang)元(yuan)(yuan)件(jian)。PGT精(jing)密型压(ya)力(li)(li)(li)变送(song)器(qi)适用(yong)(yong)(yong)于气(qi)(qi)体(ti)、蒸汽、液体(ti)的 或相对压(ya)力(li)(li)(li)测(ce)量(liang)。广(guang)泛应用(yong)(yong)(yong)于水(shui)电(dian)(dian)、化学和石化工(gong)业(ye)等(deng)领域(yu)，用(yong)(yong)(yong)于工(gong)业(ye)过(guo)程(cheng)和一般过(guo)程(cheng)测(ce)量(liang)技术中。

压(ya)力变(bian)送(song)(song)器(qi)(qi)(qi)注意(yi)事项1.订货时应(ying)(ying)注意(yi)注明量程上限、测量方式、精度等(deng)级、接(jie)口尺寸等(deng)。2.货到(dao)后(hou)需方应(ying)(ying)按装箱单检查仪表(biao)及附件(jian)是否(fou)齐全、完(wan)好(hao)，如有损坏，应(ying)(ying)尽(jin)快与供货方联系。3.变(bian)送(song)(song)器(qi)(qi)(qi)应(ying)(ying)储存在(zai)干燥、通风、阴凉、无腐蚀性气体、绝缘良好(hao)及无危害因素的(de)室内，不(bu)得将变(bian)送(song)(song)器(qi)(qi)(qi)放在(zai)高(gao)(gao)温、高(gao)(gao)湿场合保(bao)存的(de)环境中。4.变(bian)送(song)(song)器(qi)(qi)(qi)在(zai)保(bao)存、移动或(huo)安(an)装时，不(bu)得摔碰，防止(zhi)跌落，以免造(zao)成(cheng)传感(gan)器(qi)(qi)(qi)损伤和零(ling)点(dian)迁(qian)移。5.本(ben)产品属精密测量仪表(biao)，严禁(jin)随意(yi)冲击、强力支撑、拆(chai)卸或(huo)用尖锐的(de)器(qi)(qi)(qi)具捅引压(ya)孔传感(gan)器(qi)(qi)(qi)膜(mo)片。6.请确认按说明书中的(de)要求接(jie)线正确后(hou)方可上电(dian)。7.敷(fu)设(she)(she)信号电(dian)缆时请与高(gao)(gao)电(dian)压(ya)，高(gao)(gao)频(pin)率(lv)设(she)(she)备及电(dian)缆保(bao)持安(an)全距离，以免造(zao)成(cheng)对变(bian)送(song)(song) 器(qi)(qi)(qi)输出信号的(de)干扰及产生(sheng)的(de)感(gan)应(ying)(ying)高(gao)(gao)电(dian)压(ya)损坏变(bian)送(song)(song)器(qi)(qi)(qi)。8.严禁(jin)用户自行拆(chai)解变(bian)送(song)(song)器(qi)(qi)(qi)或(huo)进行维修，否(fou)则不(bu)予保(bao)修。9.如变(bian)送(song)(song)器(qi)(qi)(qi)不(bu)能正常工作，请将变(bian)送(song)(song)器(qi)(qi)(qi)返回本(ben)公司检测。

科威尔压(ya)(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)特点PIT智能压(ya)(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)具有(you)以下特点：1.采(cai)用进口传感(gan)(gan)器(qi)(qi)，高(gao)精(jing)度、高(gao)稳(wen)定(ding)性(xing)、高(gao)可(ke)靠性(xing)；2.数字、液晶压(ya)(ya)(ya)力(li)显示，显示直(zhi)观(guan)；3.抗干(gan)扰强、长期稳(wen)定(ding)性(xing)好，优于0.1%FS/年(nian)；4.抗震动(dong)(dong)、抗冲击，可(ke)使用在有(you)振动(dong)(dong)的工况；5.本质安(an)全防(fang)爆；体积(ji)小、外形美(mei)观(guan)、性(xing)价比(bi)高(gao)；6. 量(liang)(liang)程范围宽，可(ke)测(ce)量(liang)(liang)绝压(ya)(ya)(ya)、表压(ya)(ya)(ya)和密(mi)封表压(ya)(ya)(ya)PGT精(jing)密(mi)型压(ya)(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)采(cai)用干(gan)式陶(tao)瓷(ci)电容(rong)传感(gan)(gan)器(qi)(qi)或陶(tao)瓷(ci)压(ya)(ya)(ya)阻(zu)传感(gan)(gan)器(qi)(qi)作为测(ce)量(liang)(liang)单元。陶(tao)瓷(ci)电容(rong)传感(gan)(gan)器(qi)(qi)采(cai)用电容(rong)测(ce)量(liang)(liang)原(yuan)理，作用元素(su)单一，测(ce)量(liang)(liang)精(jing)度比(bi)较高(gao)可(ke)达(da)0.1级，同时具有(you)抗干(gan)扰、抗污及抗过载能力(li)强等诸多(duo)优点北海(hai)PAT高(gao)频动(dong)(dong)态压(ya)(ya)(ya)力(li)变(bian)送(song)(song)器(qi)(qi)

新余PBT压力变送器

科(ke)威(wei)尔压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)的分(fen)(fen)类压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)根据测量(liang)范围，可(ke)分(fen)(fen)成(cheng)压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)、差压(ya)(ya)(ya)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)和(he)负(fu)压(ya)(ya)(ya)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)三种；压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)根据传感器(qi)(qi)(qi)(qi)(qi)种类，可(ke)分(fen)(fen)为陶(tao)瓷压(ya)(ya)(ya)阻压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)、扩散(san)硅(gui)压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)、电(dian)容(rong)式压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)和(he)单晶(jing)硅(gui)压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)。​扩散(san)硅(gui)压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)具(ju)有工(gong)作(zuo)可(ke)靠、性(xing)能(neng)稳定(ding)、安装(zhuang)使用(yong)方便、体积(ji)小、重(zhong)量(liang)轻、性(xing)能(neng)价格比高(gao)等特点，在各种正(zheng)负(fu)压(ya)(ya)(ya)力(li)(li)(li)(li)测量(liang)中得到了 的应(ying)用(yong)，是目前市场(chang)上占(zhan)有率比较高(gao)的。电(dian)容(rong)式压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)应(ying)其精度高(gao)、稳定(ding)性(xing)能(neng)好、抗(kang)干扰能(neng)力(li)(li)(li)(li)强、抗(kang)过压(ya)(ya)(ya)能(neng)力(li)(li)(li)(li)强等特点，在工(gong)业场(chang)合使用(yong)率高(gao)。新余(yu)PBT压(ya)(ya)(ya)力(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)(song)(song)(song)器(qi)(qi)(qi)(qi)(qi)

深圳(zhen)市科威(wei)尔(er)自(zi)动(dong)化(hua)控制(zhi)有(you)限公司位于深圳(zhen)市龙岗(gang)区横岗(gang)街道龙岗(gang)大道3278号联建楼二楼202-4-A。在(zai)市场经济的(de)(de)浪潮中(zhong)拼博和(he)发展，目前深圳(zhen)科威(wei)尔(er)在(zai)仪器仪表中(zhong)拥有(you)较高(gao)的(de)(de)**度(du)，享(xiang)有(you)良好的(de)(de)声(sheng)誉。深圳(zhen)科威(wei)尔(er)取得全(quan)(quan)网商盟认证，标志着我们的(de)(de)服务(wu)和(he)管理水平(ping)达到了一(yi)个新的(de)(de)高(gao)度(du)。深圳(zhen)科威(wei)尔(er)全(quan)(quan)体(ti)员工愿(yuan)与各界有(you)识(shi)之士共(gong)同发展，共(gong)创美(mei)好未来。

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