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clearfix"><h1>上海壓力變送器價(jià)位歡迎咨詢上海翼爾電子科技供應(yīng)</h1><div id="aueduld" class="proBig"><div id="crg8hjg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044331026932/8015222.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8nhgc8u" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044331026932/8015222.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vey884w" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海壓力變送器價(jià)位,器</p><p><span>***更新：</span>2021-02-02 04:15:24</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vpm9gd8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翼爾電子科技有限公司</a></p><p><span>聯(lián)系人：</span>趙“S</p><p><span>郵箱: </span>yeertec@163.com</p><p><span>電話: </span>13361991561</p><p><span>傳真: </span>021_57155131</p><p><span>網(wǎng)址: </span>http://www.yeer-tec.com</p><p><span>手機(jī): </span>021-57488360</p><p><span>地址: </span>海灣旅游區(qū)莘奉公路4960號(hào)110室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ptlqsjg" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="g8gdvs3" class="box"><p><p style="text-indent:25px">變送器常見故障：（1）安裝時(shí)應(yīng)使變送器的壓力敏感件軸向垂直于重力方向，上海壓力變送器價(jià)位，上海壓力變送器價(jià)位，如果安裝條件限制，則應(yīng)安裝固定后調(diào)整變送器零位到標(biāo)準(zhǔn)值，上海壓力變送器價(jià)位。（2）殘存的壓力釋放不出，因此傳感器零位又下不來(lái)。排除此原因的較好的方法是將傳感器卸下，直接察看零位是否正常，如果正常更換密封圈再試。（3）加壓變送器輸出不變化，再加壓變送器輸出突然變化，泄壓變送器零位回不去。產(chǎn)生此現(xiàn)象的原因極有可能是壓力傳感器密封圈引起的。（4）是否符合供電要求；電源與變送器及負(fù)載設(shè)備之間有無(wú)接線錯(cuò)誤。如果變送器接線端子上無(wú)電壓或極性接反均可造成變送器無(wú)電壓信號(hào)輸出。切勿用高于36V電壓加到變送器上，導(dǎo)致變送器損壞。上海壓力變送器價(jià)位</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海壓力變送器價(jià)位,器" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044331026932/8015222.png"></div><p style="text-indent:25px">電容式液位變送器由電容式傳感器與電子模塊電路組成，它以兩線制4～20mA恒定電流輸出為基型，經(jīng)過(guò)轉(zhuǎn)換，可以用三線或四線方式輸出，輸出信號(hào)形成為1～5V、0～5V、0～10mA等標(biāo)準(zhǔn)信號(hào)。電容傳感器由絕緣電極和裝有測(cè)量介質(zhì)的圓柱形金屬容器組成。當(dāng)料位上升時(shí)，因非導(dǎo)電物料的介電常數(shù)明顯小于空氣的介電常數(shù)，所以電容量隨著物料高度的變化而變化。變送器的模塊電路由基準(zhǔn)源、脈寬調(diào)制、轉(zhuǎn)換、恒流放大、反饋和限流等單元組成。采用脈寬調(diào)特原理進(jìn)行測(cè)量的優(yōu)點(diǎn)是頻率較低，對(duì)周圍元射頻干擾、穩(wěn)定性好、線性好、無(wú)明顯溫度漂移等。上海壓力變送器價(jià)位在選型時(shí)要考慮設(shè)備工作壓力等級(jí)，變送器的壓力等級(jí)必須與應(yīng)用場(chǎng)合相符合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海壓力變送器價(jià)位,器" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044192189035/9569869.png"></div><p style="text-indent:25px">壓力變送器和差壓變送器單從名詞上講測(cè)量的是壓力和兩個(gè)壓力的差，但它們間接測(cè)量的參數(shù)是有很多的。如壓力變送器，除測(cè)量壓力外，它還可以測(cè)量設(shè)備內(nèi)的液位。在常壓容器測(cè)量液位時(shí)，需用一臺(tái)壓變即可。當(dāng)測(cè)量受壓容器液位時(shí)，可用兩臺(tái)壓變，即測(cè)量下限一臺(tái)，測(cè)量上限一臺(tái)，它們的輸出信號(hào)可進(jìn)行減法運(yùn)算，即可測(cè)出液位，一般選用差壓變送器。在容器內(nèi)液位與壓力值不變的情況下它還可以用來(lái)測(cè)量介質(zhì)的密度。壓力變送器的測(cè)量范圍可以做的很寬，從絕壓0開始可以到100MPa（一般情況）。</p><p style="text-indent:25px">擴(kuò)散硅壓力變送器：被測(cè)介質(zhì)的壓力直接作用于傳感器的膜片上(不銹鋼或陶瓷)，使膜片產(chǎn)生與介質(zhì)壓力成正比的微位移，使傳感器的電阻值發(fā)生變化，和用電子線路檢測(cè)這一變化，并轉(zhuǎn)換輸出一個(gè)對(duì)應(yīng)于這一壓力的標(biāo)準(zhǔn)測(cè)量信號(hào)。陶瓷壓力變送器：壓力直接作用在陶瓷膜片的前表面，使膜片產(chǎn)生微小的形變，厚膜電阻印刷在陶瓷膜片的背面，連接成一個(gè)惠斯通電橋(閉橋)，由于壓敏電阻的壓阻效應(yīng)，使電橋產(chǎn)生一個(gè)與壓力成正比的高度線性、與激勵(lì)電壓也成正比的電壓信號(hào)。變送器種類很多，總體來(lái)說(shuō)就是由變送器發(fā)出一種信號(hào)來(lái)給二次儀表使二次儀表顯示測(cè)量數(shù)據(jù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海壓力變送器價(jià)位,器" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044237706611/5841162.png"></div><p style="text-indent:25px">熱電偶溫度變送器一般由基準(zhǔn)源、冷端補(bǔ)償、放大單元、線性化處理、V/I轉(zhuǎn)換、斷偶處理、反接保護(hù)、限流保護(hù)等電路單元組成。它是將熱電偶產(chǎn)生的熱電勢(shì)經(jīng)冷端補(bǔ)償放大后，再帽由線性電路消除熱電勢(shì)與溫度的非線性誤差，然后放大轉(zhuǎn)換為4～20mA電流輸出信號(hào)。為防止熱電偶測(cè)量中由于電偶斷絲而使控溫失效造成事故，變送器中還設(shè)有斷電保護(hù)電路。當(dāng)熱電偶斷絲或接解不良時(shí)，變送器會(huì)輸出比較大的值（28mA）以使儀表切斷電源。一體化溫度變送器具有結(jié)構(gòu)簡(jiǎn)單、節(jié)省引線、輸出信號(hào)大、抗干擾能力強(qiáng)、線性好、顯示儀表簡(jiǎn)單、固體模塊抗震防潮、有反接保護(hù)和限流保護(hù)、工作可靠等優(yōu)點(diǎn)。壓力變送器和差壓變送器單從名詞上講測(cè)量的是壓力和兩個(gè)壓力的差。上海壓力變送器價(jià)位</p><p style="text-indent:25px">壓力變送器也稱差變送器，主要由測(cè)壓元件傳感器、模塊電路、顯示表頭、表殼和過(guò)程連接件等組成。上海壓力變送器價(jià)位</p><p style="text-indent:25px">從選用變送器測(cè)量范圍上來(lái)說(shuō)，一般變送器都具有一定的量程可調(diào)范圍，將使用的量程范圍設(shè)在它量程的1/4~3/4段，這樣精度會(huì)有保證，對(duì)于微差壓變送器來(lái)說(shuō)更是重要。實(shí)踐中有些應(yīng)用場(chǎng)合（液位測(cè)量）需要對(duì)變送器的測(cè)量范圍遷移，根據(jù)現(xiàn)場(chǎng)安裝位置計(jì)算出測(cè)量范圍和遷移量，遷移有正遷移和負(fù)遷移之分。變送器的概念是將非標(biāo)準(zhǔn)電信號(hào)轉(zhuǎn)換為標(biāo)準(zhǔn)電信號(hào)的儀器，傳感器則是將物理信號(hào)轉(zhuǎn)換為電信號(hào)的器件，過(guò)去常講物理信號(hào)，現(xiàn)在其它信號(hào)也有了。上海壓力變送器價(jià)位</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3119891.html</p></div></div></div></div></div><div id="vikzgs8" class="page-right twoColRt"><div id="rprjgik" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gpwyvme" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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