科威(wei)尔压(ya)(ya)力(li)(li)变送(song)器(qi)工(gong)作原(yuan)理(li)陶(tao)瓷(ci)电(dian)容传感器(qi)的(de)(de)(de)(de)设计是(shi)(shi)基于电(dian)容值的(de)(de)(de)(de)大(da)小在其他条件(jian)不变时(shi)，只(zhi)与两(liang)极间(jian)的(de)(de)(de)(de)距(ju)离相关的(de)(de)(de)(de)原(yuan)理(li)。由陶(tao)瓷(ci)膜(mo)片(pian)及衬底(di)构(gou)成(cheng)电(dian)容两(liang)极，测(ce)(ce)量(liang)时(shi)，过程(cheng)压(ya)(ya)力(li)(li)直(zhi)接作用于坚固耐(nai)腐蚀的(de)(de)(de)(de)陶(tao)瓷(ci)膜(mo)片(pian)上(shang)(shang)，使之(zhi)(zhi)产生(sheng)弹性位移，就可以从衬底(di)和膜(mo)片(pian)之(zhi)(zhi)间(jian)检测(ce)(ce)到电(dian)容的(de)(de)(de)(de)变化(hua)，经微(wei)调电(dian)路作用后，输出一个精确的(de)(de)(de)(de)电(dian)压(ya)(ya)信(xin)号(hao)，再(zai)通过变送(song)器(qi)转(zhuan)(zhuan)换成(cheng)对应的(de)(de)(de)(de)4~20mA信(xin)号(hao)输出。陶(tao)瓷(ci)压(ya)(ya)阻(zu)传感器(qi)的(de)(de)(de)(de)原(yuan)理(li)是(shi)(shi)压(ya)(ya)敏电(dian)阻(zu)的(de)(de)(de)(de)压(ya)(ya)阻(zu)效应及硅材料受压(ya)(ya)力(li)(li)作用时(shi)电(dian)阻(zu)发(fa)生(sheng)变化(hua)的(de)(de)(de)(de)特性。电(dian)阻(zu)印刷在陶(tao)瓷(ci)膜(mo)片(pian)的(de)(de)(de)(de)背面，连(lian)接成(cheng)一个惠(hui)斯(si)通电(dian)桥(qiao)（闭桥(qiao)），测(ce)(ce)量(liang)时(shi)，压(ya)(ya)力(li)(li)直(zhi)接作用在膜(mo)片(pian)上(shang)(shang)，使之(zhi)(zhi)产生(sheng)微(wei)小的(de)(de)(de)(de)形变，改变桥(qiao)臂电(dian)阻(zu)，经过微(wei)调电(dian)路放大(da)后，使电(dian)桥(qiao)产生(sheng)一个与压(ya)(ya)力(li)(li)成(cheng)正比的(de)(de)(de)(de)电(dian)压(ya)(ya)信(xin)号(hao)，再(zai)通过变送(song)器(qi)转(zhuan)(zhuan)换成(cheng)对应的(de)(de)(de)(de)4~20mA信(xin)号(hao)输出。新(xin)余PBT压(ya)(ya)力(li)(li)变送(song)器(qi)

压力变送(song)器(qi)(qi)安(an)(an)装及调试1. 安(an)(an)装按以下步骤进行操作：1)将变送(song)器(qi)(qi)通过连(lian)(lian)(lian)接(jie)(jie)(jie)螺纹安(an)(an)装在测(ce)量(liang)口(kou)位置。2)旋(xuan)开变送(song)器(qi)(qi)上(shang)(shang)盖，旋(xuan)松电(dian)(dian)缆密(mi)(mi)封(feng)(feng)接(jie)(jie)(jie)头(tou)，拔(ba)下接(jie)(jie)(jie)线(xian)端子，将电(dian)(dian)缆线(xian)（≤Ф8）穿过电(dian)(dian)缆密(mi)(mi)封(feng)(feng)接(jie)(jie)(jie)头(tou)，按说(shuo)明(ming)书要求接(jie)(jie)(jie)线(xian)图连(lian)(lian)(lian)线(xian)。3)旋(xuan)紧电(dian)(dian)缆密(mi)(mi)封(feng)(feng)接(jie)(jie)(jie)头(tou)，整理(li)、固(gu)定引出(chu)的(de)电(dian)(dian)缆线(xian)，同(tong)时旋(xuan)上(shang)(shang)变送(song)器(qi)(qi)上(shang)(shang)盖。注(zhu)1：①接(jie)(jie)(jie)线(xian)端子“-”端为4~20mA的(de)电(dian)(dian)流输(shu)(shu)出(chu)端，不(bu)能(neng)将24VDC电(dian)(dian)源(yuan)线(xian)的(de)负极接(jie)(jie)(jie)在“-”端，否则检测(ce)不(bu)到变送(song)器(qi)(qi)输(shu)(shu)出(chu)电(dian)(dian)流信号。②连(lian)(lian)(lian)接(jie)(jie)(jie)电(dian)(dian)缆的(de)时候应将出(chu)线(xian)电(dian)(dian)缆下垂。切(qie)忌电(dian)(dian)缆上(shang)(shang)翘，否则会(hui)将冷(leng)凝(ning)水导入变送(song)器(qi)(qi)，造成(cheng)变送(song)器(qi)(qi)的(de)损坏。唐山PIT智能(neng)压力变送(song)器(qi)(qi)

科(ke)威尔压(ya)(ya)力(li)(li)变(bian)(bian)送(song)器(qi)概述PGT精(jing)密(mi)型(xing)压(ya)(ya)力(li)(li)变(bian)(bian)送(song)器(qi)采(cai)用(yong)(yong)(yong)干(gan)式陶(tao)(tao)瓷(ci)(ci)电容(rong)传(chuan)感(gan)器(qi)或陶(tao)(tao)瓷(ci)(ci)压(ya)(ya)阻(zu)传(chuan)感(gan)器(qi)作为测(ce)量单元。陶(tao)(tao)瓷(ci)(ci)电容(rong)传(chuan)感(gan)器(qi)采(cai)用(yong)(yong)(yong)电容(rong)测(ce)量原理，作用(yong)(yong)(yong)元素单一，测(ce)量精(jing)度比较高(gao)可(ke)(ke)达0.1级(ji)，同时具(ju)(ju)有(you)抗(kang)(kang)干(gan)扰(rao)、抗(kang)(kang)污及抗(kang)(kang)过(guo)载能(neng)(neng)力(li)(li)强等(deng)诸多(duo)优(you)点；而陶(tao)(tao)瓷(ci)(ci)压(ya)(ya)阻(zu)传(chuan)感(gan)器(qi)则具(ju)(ju)有(you)测(ce)量范围广，抗(kang)(kang)过(guo)压(ya)(ya)能(neng)(neng)力(li)(li)更强等(deng)优(you)点。变(bian)(bian)送(song)器(qi)外观(guan)精(jing)美、体(ti)积(ji)小巧、稳定(ding)可(ke)(ke)靠，适用(yong)(yong)(yong)于(yu)(yu)多(duo)种气体(ti)、液体(ti)的(de)表压(ya)(ya)、绝压(ya)(ya)测(ce)量，是一款经(jing)济实用(yong)(yong)(yong)的(de)压(ya)(ya)力(li)(li)测(ce)量元件。PGT精(jing)密(mi)型(xing)压(ya)(ya)力(li)(li)变(bian)(bian)送(song)器(qi)适用(yong)(yong)(yong)于(yu)(yu)气体(ti)、蒸汽、液体(ti)的(de) 或相对压(ya)(ya)力(li)(li)测(ce)量。广泛应(ying)用(yong)(yong)(yong)于(yu)(yu)水(shui)电、化学和石化工业(ye)等(deng)领域(yu)，用(yong)(yong)(yong)于(yu)(yu)工业(ye)过(guo)程(cheng)和一般过(guo)程(cheng)测(ce)量技术中(zhong)。

压力变(bian)(bian)送器(qi)(qi)(qi)注(zhu)意(yi)事项1.订(ding)货(huo)时应(ying)(ying)注(zhu)意(yi)注(zhu)明(ming)量程上限、测量方(fang)式、精(jing)度等级、接口尺寸等。2.货(huo)到后需(xu)方(fang)应(ying)(ying)按装箱单检查仪表及(ji)附件是否(fou)齐全、完(wan)好(hao)，如有损(sun)(sun)坏(huai)，应(ying)(ying)尽快与供货(huo)方(fang)联系。3.变(bian)(bian)送器(qi)(qi)(qi)应(ying)(ying)储存在干燥(zao)、通风、阴(yin)凉、无(wu)腐蚀性气体、绝缘良好(hao)及(ji)无(wu)危害因(yin)素的(de)室内(nei)，不(bu)得将变(bian)(bian)送器(qi)(qi)(qi)放在高温、高湿场(chang)合保(bao)存的(de)环境中。4.变(bian)(bian)送器(qi)(qi)(qi)在保(bao)存、移动或安(an)装时，不(bu)得摔碰(peng)，防止跌落，以免(mian)造(zao)成传感器(qi)(qi)(qi)损(sun)(sun)伤和零点迁(qian)移。5.本产(chan)(chan)品属精(jing)密测量仪表，严禁(jin)随(sui)意(yi)冲击(ji)、强力支(zhi)撑、拆卸或用(yong)尖(jian)锐的(de)器(qi)(qi)(qi)具捅引压孔传感器(qi)(qi)(qi)膜片(pian)。6.请确认按说明(ming)书中的(de)要(yao)求(qiu)接线正确后方(fang)可上电。7.敷设(she)信号电缆时请与高电压，高频(pin)率(lv)设(she)备(bei)及(ji)电缆保(bao)持安(an)全距离，以免(mian)造(zao)成对变(bian)(bian)送 器(qi)(qi)(qi)输(shu)出信号的(de)干扰及(ji)产(chan)(chan)生的(de)感应(ying)(ying)高电压损(sun)(sun)坏(huai)变(bian)(bian)送器(qi)(qi)(qi)。8.严禁(jin)用(yong)户(hu)自行拆解(jie)变(bian)(bian)送器(qi)(qi)(qi)或进行维修(xiu)，否(fou)则不(bu)予(yu)保(bao)修(xiu)。9.如变(bian)(bian)送器(qi)(qi)(qi)不(bu)能(neng)正常工作(zuo)，请将变(bian)(bian)送器(qi)(qi)(qi)返(fan)回本公司检测。

科(ke)威尔压(ya)力(li)(li)变送器特(te)点(dian)PIT智能(neng)压(ya)力(li)(li)变送器具有以下特(te)点(dian)：1.采用进口传(chuan)感器，高(gao)(gao)(gao)精(jing)度、高(gao)(gao)(gao)稳定性(xing)、高(gao)(gao)(gao)可靠性(xing)；2.数字、液晶压(ya)力(li)(li)显(xian)示(shi)，显(xian)示(shi)直(zhi)观；3.抗(kang)干扰强(qiang)、长期稳定性(xing)好，优(you)于0.1%FS/年；4.抗(kang)震动、抗(kang)冲击，可使用在有振动的工(gong)况；5.本质(zhi)安(an)全防爆；体(ti)积(ji)小、外形(xing)美观、性(xing)价(jia)比高(gao)(gao)(gao)；6. 量(liang)程范围宽，可测量(liang)绝(jue)压(ya)、表压(ya)和密(mi)封表压(ya)PGT精(jing)密(mi)型压(ya)力(li)(li)变送器采用干式陶(tao)瓷(ci)电容(rong)传(chuan)感器或陶(tao)瓷(ci)压(ya)阻传(chuan)感器作为测量(liang)单元(yuan)。陶(tao)瓷(ci)电容(rong)传(chuan)感器采用电容(rong)测量(liang)原理，作用元(yuan)素单一，测量(liang)精(jing)度比较(jiao)高(gao)(gao)(gao)可达0.1级，同时具有抗(kang)干扰、抗(kang)污及抗(kang)过载能(neng)力(li)(li)强(qiang)等诸多优(you)点(dian)北海PAT高(gao)(gao)(gao)频动态压(ya)力(li)(li)变送器

新余PBT压力(li)变送器

科威尔压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)的分(fen)(fen)类(lei)(lei)压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)根据测量(liang)(liang)范围，可(ke)分(fen)(fen)成压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)、差压(ya)(ya)(ya)(ya)(ya)(ya)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)和(he)负压(ya)(ya)(ya)(ya)(ya)(ya)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)三种(zhong)；压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)根据传感器(qi)(qi)(qi)种(zhong)类(lei)(lei)，可(ke)分(fen)(fen)为陶瓷压(ya)(ya)(ya)(ya)(ya)(ya)阻压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)、扩散硅(gui)压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)、电(dian)(dian)容(rong)式(shi)压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)和(he)单(dan)晶硅(gui)压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)。​扩散硅(gui)压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)具有工(gong)作可(ke)靠、性(xing)能稳(wen)定、安装使用(yong)方便、体积(ji)小、重量(liang)(liang)轻、性(xing)能价格比(bi)高等特点(dian)，在(zai)各种(zhong)正负压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)测量(liang)(liang)中得到了 的应用(yong)，是(shi)目前市场上占有率比(bi)较(jiao)高的。电(dian)(dian)容(rong)式(shi)压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)应其精度高、稳(wen)定性(xing)能好(hao)、抗干扰能力(li)(li)(li)(li)(li)强、抗过压(ya)(ya)(ya)(ya)(ya)(ya)能力(li)(li)(li)(li)(li)强等特点(dian)，在(zai)工(gong)业(ye)场合使用(yong)率高。新余(yu)PBT压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)(li)变(bian)(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)

深(shen)圳(zhen)市科(ke)威(wei)(wei)尔(er)自动化(hua)控制有限公司位于深(shen)圳(zhen)市龙岗区横(heng)岗街道(dao)龙岗大道(dao)3278号联(lian)建楼二(er)楼202-4-A。在市场(chang)经济的(de)浪潮中拼博(bo)和(he)发(fa)(fa)展(zhan)(zhan)，目前深(shen)圳(zhen)科(ke)威(wei)(wei)尔(er)在仪器(qi)仪表中拥有较高(gao)的(de)**度，享(xiang)有良(liang)好的(de)声(sheng)誉。深(shen)圳(zhen)科(ke)威(wei)(wei)尔(er)取得(de)全网商盟认(ren)证，标志(zhi)着(zhe)我们的(de)服务和(he)管理水(shui)平达(da)到了一个新的(de)高(gao)度。深(shen)圳(zhen)科(ke)威(wei)(wei)尔(er)全体(ti)员工愿与(yu)各(ge)界有识之士共同发(fa)(fa)展(zhan)(zhan)，共创(chuang)美好未来。

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