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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3wyvsu7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637341520032685547/1719596.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lpr8wdf" 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>金華微差壓壓力變送器批發(fā)廠家,壓力變送器</p><p><span>***更新：</span>2021-02-05 00:20:30</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="mq27oiu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南儀測(cè)控技術(shù)(上海)有限公司</a></p><p><span>聯(lián)系人：</span>桂經(jīng)理</p><p><span>郵箱: </span>704766500@qq.com</p><p><span>電話(huà): </span>17802114401</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>https://www.nanicontrol.com</p><p><span>手機(jī): </span>021-61559357</p><p><span>地址: </span>滬閔路1871號(hào)9甲幢4樓407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="v33mvxz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="tspj83t" class="box"><p><p style="text-indent:25px">壓力變送器需要根據(jù)介質(zhì)材質(zhì)的選擇!這需要我們考慮的是壓力變送器所測(cè)量的介質(zhì),黏性液體、泥漿會(huì)堵上壓力接口，溶劑或有腐蝕性的物質(zhì)會(huì)不會(huì)破壞變送呂中與這些介質(zhì)直接接觸的材料，金華微差壓壓力變送器批發(fā)廠家?？疾靿毫ψ兯推鞯臏囟确?圍。通常壓力變送器會(huì)標(biāo)定兩個(gè)溫度范圍，即正常操作的溫度范圍和溫度可補(bǔ)償?shù)姆秶?。正常操作溫度范?是指變送器在工作狀態(tài)下不被破壞的時(shí)候的溫度范圍，在高出溫度補(bǔ)范圍時(shí)，可能會(huì)達(dá)不到其應(yīng)用的性能指標(biāo)。壓力變送器的遷移指將變送器的測(cè)量點(diǎn)人為地由零點(diǎn)移至某個(gè)定值上，測(cè)量起始值大于零，稱(chēng)為變送器正遷移;起始值小于零，稱(chēng)為變送器負(fù)遷移，金華微差壓壓力變送器批發(fā)廠家。壓力變送器體積小，金華微差壓壓力變送器批發(fā)廠家、重量輕，精度高，牢靠性好，過(guò)載性能好。金華微差壓壓力變送器批發(fā)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華微差壓壓力變送器批發(fā)廠家,壓力變送器" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637341520032685547/1719596.png"></div><p style="text-indent:25px">壓力變送器在工業(yè)中應(yīng)用非常多，在電氣設(shè)備中它起著類(lèi)似于傳感器的功能，可以將壓力轉(zhuǎn)換成氣動(dòng)信號(hào)或電動(dòng)信號(hào)進(jìn)行控制和遠(yuǎn)傳的設(shè)備。它能將測(cè)壓元件傳感器感受到的氣體、液體等物理壓力參數(shù)轉(zhuǎn)變成標(biāo)準(zhǔn)的電信號(hào)(如4~20mADC等)，以供給指示報(bào)警儀、記錄儀、調(diào)節(jié)器等二次儀表進(jìn)行測(cè)量、指示和過(guò)程調(diào)節(jié)。變送器是工業(yè)實(shí)踐中為常用的一種傳感器，其普遍應(yīng)用于各種工業(yè)自控環(huán)境，涉及水利水電、鐵路交通、智能建筑、生產(chǎn)自控、航空航天、石化、油井、電力、船舶、機(jī)床、管道等眾多行業(yè)。壓力變送器關(guān)鍵特性抗負(fù)載和抗嚴(yán)厲打擊工作能力強(qiáng)，過(guò)流保護(hù)達(dá)到測(cè)量范圍的倍數(shù)，甚至用硬塊立即敲擊精確測(cè)量元器件都不導(dǎo)致其受損，且對(duì)精確測(cè)量精密度沒(méi)什么危害;可靠性高，好于0.1%滿(mǎn)量程，這一性能指標(biāo)已做到智能化型壓力儀表水準(zhǔn);溫度飄移小，因?yàn)槌蜂N(xiāo)了工作壓力精確測(cè)量元器件中的中介公司液，因此控制器不但得到了很高的精確測(cè)量精密度，且受溫度梯度危害很小;可接受性廣、安裝維護(hù)保養(yǎng)便捷、可隨意部位安裝。徐州無(wú)線壓力變送器廠家服務(wù)熱線壓力變送器一般設(shè)計(jì)成能在2億個(gè)周期中承受較大壓力而不會(huì)降低性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華微差壓壓力變送器批發(fā)廠家,壓力變送器" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637341520054843750/1888054.png"></div><p style="text-indent:25px">壓力變送器的輸出不夠靠什么來(lái)“彌補(bǔ)”呢？當(dāng)壓力上去，變送器輸出上不去時(shí)，先應(yīng)檢查壓力接口是否漏氣或者被堵住，如果確認(rèn)不是，檢查接線方式，如接線無(wú)誤再檢查電源，如電源正常再察看傳感器零位是否有輸出，或者進(jìn)行簡(jiǎn)單加壓看輸出是否變化，有變化證明傳感器沒(méi)有損壞，如果無(wú)變化傳感器即已經(jīng)損壞。出現(xiàn)這種情況的其他原因還可能是儀表?yè)p壞，或者整個(gè)系統(tǒng)的其他環(huán)節(jié)的問(wèn)題。若變送器輸出不變化，再加壓變送器輸出突然變化，泄壓變送器零位回不去。這說(shuō)明極可能是傳感器密封圈引起的，一般是因?yàn)槊芊馊σ?guī)格原因（太軟或太厚），傳感器擰緊時(shí)，密封圈被壓縮到傳感器引壓口里面堵塞傳感器，加壓時(shí)壓力介質(zhì)進(jìn)不去，但是壓力很大時(shí)突然沖開(kāi)密封圈，傳感器受到壓力而變化，而壓力再次降低時(shí)，密封圈又回位堵住引壓口，殘存的壓力釋放不出，因此傳感器零位又下不來(lái)。排除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。</p><p style="text-indent:25px">壓力變送器擁有精確的功能設(shè)計(jì)，但是在實(shí)踐應(yīng)用的過(guò)程中，要注重儀器的選擇比較，選擇匹配性適合的優(yōu)良專(zhuān)門(mén)儀器，這時(shí)候還要在實(shí)踐的儀器使用中，注重專(zhuān)業(yè)的標(biāo)準(zhǔn)與合理的管理與維護(hù)，這樣才能確保其實(shí)際應(yīng)用中有更好的功能發(fā)揮。變送器是一種將壓力轉(zhuǎn)換成氣動(dòng)信號(hào)或電動(dòng)信號(hào)進(jìn)行控制和遠(yuǎn)傳的設(shè)備。它能將測(cè)壓元件傳感器感受到的氣體、液體等物理壓力參數(shù)轉(zhuǎn)變成標(biāo)準(zhǔn)的電信號(hào)（如4~20mADC等），以供給指示報(bào)警儀、記錄儀、調(diào)節(jié)器等二次儀表進(jìn)行測(cè)量、指示和過(guò)程調(diào)節(jié)。壓力變送器特點(diǎn)：穩(wěn)定性好，在補(bǔ)償溫度0-70℃范圍內(nèi)，溫度漂移低于0.2%FS。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華微差壓壓力變送器批發(fā)廠家,壓力變送器" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637341519924716797/4634001.png"></div><p style="text-indent:25px">智能型壓力變送器采用真正的數(shù)字化傳感器—單晶硅諧振式傳感器，開(kāi)創(chuàng)了變送器的新時(shí)代，產(chǎn)品具有更高的精度、穩(wěn)定性、可靠性，自推向市場(chǎng)，深受各界好評(píng)。智能型壓力變送器是一款高精度、高穩(wěn)定性的智能化壓力測(cè)量產(chǎn)品。該產(chǎn)品采用數(shù)字技術(shù)在傳感器制造領(lǐng)域的應(yīng)用成果，結(jié)合國(guó)際進(jìn)的壓阻式壓力變送器設(shè)計(jì)制造技術(shù)，精密數(shù)字化溫度補(bǔ)償和非線性修正技術(shù)，一體化的結(jié)構(gòu)設(shè)計(jì)和標(biāo)準(zhǔn)化的信號(hào)輸出，體積小、精度高、重量輕、量程覆蓋范圍寬，適用于各行業(yè)領(lǐng)域需要對(duì)流體壓力進(jìn)行精密測(cè)量場(chǎng)所。智能型壓力變送器采用進(jìn)口不銹鋼隔離膜片的高精度、高穩(wěn)定性的芯片組裝，產(chǎn)品經(jīng)過(guò)精密的結(jié)構(gòu)設(shè)計(jì)、合理的溫度補(bǔ)償，配以線性處理電路、V/I轉(zhuǎn)換及對(duì)不銹鋼殼體的全密封焊接工藝制造。輸出信號(hào)4～20mA、0～10mA、0～5VDC等。產(chǎn)品可用于對(duì)氣體、液體、蒸氣壓力的測(cè)量及具有腐蝕性介質(zhì)的壓力測(cè)量。智能型壓力變送器用于測(cè)量液體、氣體和蒸汽的壓力，將壓力信號(hào)轉(zhuǎn)換成4~20mADC電流信號(hào)輸出，與計(jì)算機(jī)相互通訊，通過(guò)它進(jìn)行設(shè)定、監(jiān)控等。防爆型壓力變送器是一款高精度的變送器產(chǎn)品。徐州無(wú)線壓力變送器廠家服務(wù)熱線</p><p style="text-indent:25px">壓力變送器壓力類(lèi)型主要有表壓、絕壓、差壓等。金華微差壓壓力變送器批發(fā)廠家</p><p style="text-indent:25px">壓力變送器的校驗(yàn)步驟：a.準(zhǔn)備：填寫(xiě)工作許可證。通知主控室將被校變送器控制狀態(tài)切換至手動(dòng)位置。將壓力傳感器與氣泵連接好。關(guān)閉引壓閥,斷開(kāi)引壓管；將氣泵與被校變送器連接好,并確保沒(méi)有泄漏。將壓力傳感器的引出線與過(guò)程校驗(yàn)儀相連。接上HART。記錄該表編號(hào)和位號(hào)和此時(shí)的溫度。b.校驗(yàn)。用HART讀出實(shí)際量程。將排空閥打開(kāi)，確保測(cè)量室與大氣相通，校零。同時(shí)用HART觀察零點(diǎn)電流是否為4mA,否則，用HART修正。用氣泵分別打至滿(mǎn)量程的25%、50%、75%、，觀察各點(diǎn)是否符合要求，否則，用HART修正并將數(shù)據(jù)紀(jì)錄。用氣泵的微調(diào)孔逐步泄壓，從滿(mǎn)量程下降至75%、50%、25%和0%，觀察各點(diǎn)是否符合要求，否則，用HART修正并將數(shù)據(jù)紀(jì)錄。重復(fù)以上步驟，觀察重現(xiàn)性能是否符合要求。校驗(yàn)完成后將校驗(yàn)線路拆除，并將智能壓力變送器與引壓管重新連接，關(guān)閉排空閥，打開(kāi)一次閥及引壓閥。通知當(dāng)班操作人員，觀察測(cè)量結(jié)果與校驗(yàn)前測(cè)量值是否一致。作業(yè)結(jié)束，該工作許可證完成并失效。貼上合格標(biāo)簽，標(biāo)簽上應(yīng)注明下次校驗(yàn)日期。金華微差壓壓力變送器批發(fā)廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3162119.html</p></div></div></div></div></div><div id="basuk82" class="page-right twoColRt"><div id="lubdamj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dx7ykmy" 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