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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖北差壓式超聲波液位計(jì),位計(jì)</p><p><span>***更新：</span>2020-09-20 12:05:58</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="c2whypg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測(cè)控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號(hào)</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="katj37g" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="l3zawcy" class="box"><p><p> 常用物位測(cè)量?jī)x表 </p> <p> 1、浮力式：根據(jù)浮球或浮標(biāo)隨液位的高低而產(chǎn)生上下位移或浸于液體中的浮筒隨液位變化而引起浮力變化的原理。 </p> <p> （1）恒浮力（鋼帶、碼帶） </p> <p> （2）變浮力（浮筒） </p> <p> 原理如圖，浮筒隨液位變化產(chǎn)生浮力，浮筒本身的重力與浮力產(chǎn)生不平衡力，經(jīng)杠桿2傳至扭力管3，而扭力管產(chǎn)生轉(zhuǎn)角變形由心軸4傳出，湖北差壓式超聲波液位計(jì)，經(jīng)推板5傳到霍爾片6產(chǎn)生電勢(shì)可被檢測(cè)。 </p> <p> 2、差壓式液位計(jì) </p> <p> 原理：容器內(nèi)的液位改變時(shí)，液柱產(chǎn)生的靜壓也相應(yīng)的變化。 </p> <p> H=PB-PA/gρ </p> <p> 3、電容式物位計(jì) </p> <p> 如圖圓柱形電容器，由兩個(gè)相互絕緣的同軸圓柱極板內(nèi)電極和外電極組成，在兩筒之間充入電介質(zhì)時(shí)，液位和兩極板直接電容成正比。 </p> <p> 4、超聲波物位計(jì) </p> <p> 聲波在液體，湖北差壓式超聲波液位計(jì)、氣體、固體內(nèi)傳播時(shí)有一定的速度，當(dāng)聲波穿越介質(zhì)時(shí)會(huì)被吸收而衰減，湖北差壓式超聲波液位計(jì)，氣體吸收強(qiáng)，衰減比較大，固體吸收弱，衰減也小，聲波穿過(guò)不同密度介質(zhì)界面時(shí)會(huì)有反射，超聲波物位計(jì)就是根據(jù)聲波從發(fā)生到接收反射回波的時(shí)間間隔與物位成正比的原理來(lái)測(cè)量的。高溫磁翻板液位計(jì)適合在高溫高壓的液體里面進(jìn)行測(cè)量的，液位介質(zhì)比較高溫度可達(dá)450度。湖北差壓式超聲波液位計(jì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北差壓式超聲波液位計(jì),位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637352709989375000/6946213.jpg"></div><p> 超聲波液位開(kāi)關(guān) </p> <p> 超聲波液位開(kāi)關(guān)內(nèi)部壓電晶體的叉形探頭中間被空氣隔開(kāi)，一個(gè)晶體振動(dòng)頻率為1.5MHz把聲音信號(hào)傳到空氣間隙中間，探頭浸入液體時(shí)，晶體，聲波偶合，超聲波液位開(kāi)關(guān)改變狀態(tài)。 </p> <p> 技術(shù)指標(biāo)：比較大電纜長(zhǎng)度：30m工作溫度：標(biāo)準(zhǔn)型:0~80℃中溫型：0~120℃環(huán)境溫度：-40~70℃工作壓力：常壓介質(zhì)密度：≥0.6g/cm觸點(diǎn)容量：220VAC </p> <p> 10A 電氣接口：M20*1.5防護(hù)等級(jí)：IP65過(guò)程連接：HG20592~20635-97 </p> <p> DN100以上,其他法蘭標(biāo)準(zhǔn)（如GB、JB/T、HGJ、ANSI、DIN等）接液材質(zhì)：不銹鋼。 </p> <p> <span style="font-size:12px;">音叉液位開(kāi)關(guān)</span> </p> <p> 優(yōu)點(diǎn)：振動(dòng)音叉開(kāi)關(guān)能真正地免受流量、氣泡、湍流、泡沫、振動(dòng)、固體含量、沾敷、液體特性以及產(chǎn)品變化的影響。并且不需要校準(zhǔn)，只需要經(jīng)歷短的安裝過(guò)程便能完成安裝。無(wú)活動(dòng)零件或縫隙真正實(shí)現(xiàn)免維護(hù)。強(qiáng)大的自檢查與診斷功能保證了高低物位測(cè)量的高可靠性，某些型號(hào)的物位計(jì)甚至可以在出現(xiàn)故障之前，繪出性能曲線和發(fā)送故障趨勢(shì)信號(hào)。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 缺點(diǎn)：音叉開(kāi)關(guān)不適合用于非常粘的介質(zhì)。導(dǎo)致叉子被連接在一起的叉間物料堆積，將干擾物位檢測(cè)。 </p> <p> <br /> 無(wú)錫雷達(dá)料位計(jì)生產(chǎn)廠家導(dǎo)波雷達(dá)液位計(jì)的基礎(chǔ)是電磁波的時(shí)域反射原理，微波脈沖不是通過(guò)空間傳播，而是通過(guò)金屬導(dǎo)波桿傳播；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北差壓式超聲波液位計(jì),位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637352710155322265/840411.jpg"></div><p> 浮筒液位計(jì) </p> <p> 1、工作原理浮筒液位計(jì)由四個(gè)基本部分組成：浮筒、彈簧、磁鋼室和指示器。浸在液體中的浮筒受到向下的重力，向上的浮力和彈簧彈力的復(fù)合作用。當(dāng)這三個(gè)力達(dá)到平衡時(shí)，浮筒就靜止在某一位置。當(dāng)液位發(fā)生變化時(shí)，浮筒所受浮力相應(yīng)改變，平衡狀態(tài)被打破，從而引起彈力變化即彈簧的伸縮，以達(dá)到新的平衡。彈簧的伸縮使其與剛性連接的磁鋼產(chǎn)生位移。這樣，通過(guò)指示器內(nèi)磁感應(yīng)元件和傳動(dòng)裝置使其指示出液位。 </p> <p> 2、特點(diǎn)及適用場(chǎng)合 </p> <p> 2.1現(xiàn)場(chǎng)指示、遠(yuǎn)傳兼容； </p> <p> 2.2測(cè)量范圍大，比較大可達(dá)3000mm； </p> <p> 2.3工作可靠，良好的精度和靈敏度； </p> <p> 2.4耐高溫、高壓，耐腐蝕性能強(qiáng)； </p> <p> 2.5現(xiàn)場(chǎng)調(diào)試方便，易于檢查和維護(hù)。由于它直觀、穩(wěn)定、可靠性高、因而對(duì)連續(xù)生產(chǎn)的煉油、化工中的重要容器、設(shè)備，如塔類、貯罐中間容器等的液位測(cè)量都非常適用，但不適合高粘度介質(zhì)液位的測(cè)量。 </p><p> 磁翻板液位計(jì)的優(yōu)勢(shì)是結(jié)構(gòu)簡(jiǎn)單、具有高密封,防泄漏等特點(diǎn)，適用于高溫、高壓、耐腐蝕的場(chǎng)合，顯示直觀、醒目，測(cè)量范圍比較廣；而超聲波流量計(jì)的優(yōu)勢(shì)是流量測(cè)量準(zhǔn)確度幾乎不受被測(cè)流體溫度、壓力、粘度、密度等參數(shù)的影響，又可制成非接觸式測(cè)量?jī)x表，可解決其它類型儀表所難以測(cè)量的強(qiáng)腐蝕性、非導(dǎo)電性、放射性及易燃易爆介質(zhì)的流量測(cè)量問(wèn)題。 </p> <p> <span style="font-size:12px;"><span style="display:none;"></span>磁翻板液位計(jì)作為接觸式測(cè)量?jī)x表，需要考慮的與介質(zhì)接觸的防腐性材質(zhì)問(wèn)題，而超聲波流量計(jì)則不需要考慮。雖然超聲波液位計(jì)也可以測(cè)量腐蝕性介質(zhì)，但是一旦出現(xiàn)揮發(fā)性介質(zhì)，就另當(dāng)別論了。當(dāng)介質(zhì)內(nèi)出現(xiàn)真空啊、蒸汽含量過(guò)高、以及液面泡沫等情況時(shí)是不能選用超聲波液位計(jì)的，而磁翻板液位計(jì)對(duì)這一系列工況毫無(wú)影響。超聲波液位計(jì)雖然測(cè)量先進(jìn)度方面比磁翻板液位計(jì)先進(jìn)，但是安裝方面比較復(fù)雜，測(cè)量介質(zhì)限制條件比較多，一般情況下啊，測(cè)量液位都選擇磁翻板液位計(jì)，只有當(dāng)磁翻板液位計(jì)不適用的時(shí)候，才考慮超聲波液位計(jì)或者雷達(dá)液位計(jì)。</span> 磁翻板液位計(jì)主要基于連通器和磁性耦合原理實(shí)現(xiàn)對(duì)液位的實(shí)時(shí)測(cè)量和顯示。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北差壓式超聲波液位計(jì),位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637352709971855468/7301054.jpg"></div><p> 壓力計(jì)的安裝 </p> <p> ①壓力計(jì)應(yīng)安裝在易觀察和檢修的地方。②安裝地點(diǎn)應(yīng)力求避免振動(dòng)和高溫影響。 </p> <p> ③測(cè)量蒸汽壓力時(shí)，應(yīng)加裝凝液管，以防止高溫蒸汽直接與測(cè)壓元件接觸；對(duì)于有腐蝕性介質(zhì)的壓力測(cè)量，應(yīng)加裝有中性介質(zhì)的隔離罐。 </p> <p> ④壓力計(jì)的連接處，應(yīng)根據(jù)被測(cè)壓力的高低和介質(zhì)性質(zhì)，選擇適當(dāng)?shù)牟牧希鳛槊芊鈮|片，以防泄漏。⑤當(dāng)被測(cè)壓力較小，而壓力計(jì)與取壓口又不在同一高度時(shí)，對(duì)由此高度而引起的測(cè)量誤差應(yīng)按Δp＝±Hρg進(jìn)行修正。式中H為高度差，ρ為導(dǎo)壓管中介質(zhì)的密度，g為重力加速度。⑥為安全起見(jiàn)，測(cè)量高壓的壓力計(jì)除選用有通氣孔的外，安裝時(shí)表殼應(yīng)向墻壁或無(wú)人通過(guò)之處，以防發(fā)生意外。 </p> <p> <br /> 當(dāng)介質(zhì)內(nèi)出現(xiàn)真空啊、蒸汽含量過(guò)高、以及液面泡沫等情況時(shí)是不能選用超聲波液位計(jì)的；無(wú)錫雷達(dá)料位計(jì)生產(chǎn)廠家</p><p style="text-indent:25px">雷達(dá)液位計(jì)不需要傳輸媒介，不受大氣、蒸氣、槽內(nèi)揮發(fā)霧影響的特點(diǎn)，能用于揮發(fā)介質(zhì)的液位測(cè)量。湖北差壓式超聲波液位計(jì)</p><p> 重錘液位計(jì) </p> <p> 工作原理：重錘液位計(jì)是一種傳統(tǒng)的液位計(jì)。它是利用力學(xué)平衡原理設(shè)計(jì)制作的。它是由料位檢測(cè)裝置、高精度位移傳動(dòng)系統(tǒng)、恒力裝置、顯示裝置、變送器裝置以及其他外設(shè)構(gòu)成。當(dāng)被測(cè)物上升時(shí)探頭發(fā)出卷鋼信號(hào)，電機(jī)工作工作上卷。當(dāng)被測(cè)物不上升時(shí)，探頭給電機(jī)發(fā)出停止命令。當(dāng)被測(cè)物下降時(shí)垂錘探頭給電機(jī)了出反轉(zhuǎn)放鋼線命令，同時(shí)在上下限設(shè)定處報(bào)警，同時(shí)傳出4－20ＭＡ信號(hào)。液位檢測(cè)裝置根據(jù)物位的情況帶動(dòng)鋼帶移動(dòng)，位移傳動(dòng)系統(tǒng)通過(guò)鋼帶的移動(dòng)策動(dòng)傳動(dòng)銷轉(zhuǎn)動(dòng)，進(jìn)而作用于計(jì)數(shù)器來(lái)顯示液位的情況。 </p> <p> 應(yīng)用范圍：水泥、礦山、冶金、化學(xué)工業(yè)、塑料工業(yè)、建筑材料、食品工業(yè)。 </p> <p> 使用限制：精度很差，一般用在礦廠、石灰廠用來(lái)測(cè)量料位 </p> <p> 精度等級(jí)：測(cè)量誤差（mm）：±4.5；±1%FS、低 </p> <p> 優(yōu)點(diǎn)：具有實(shí)用性強(qiáng)、測(cè)量范圍大、精度高性能穩(wěn)定、使用壽命長(zhǎng)、便于維護(hù)等,大型計(jì)數(shù)器顯示，使得讀數(shù)清晰準(zhǔn)確；手動(dòng)浮子提升機(jī)構(gòu)，可隨時(shí)檢查儀表工作情況；可與多種變送器連接，組成液位檢測(cè)系統(tǒng). </p> <p> 缺點(diǎn)：精度差 </p> <p> <br /> 湖北差壓式超聲波液位計(jì)</p><p style="text-indent:25px">江蘇中徽測(cè)控儀表有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。江蘇中徽測(cè)控儀表?yè)碛幸恢Ы?jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供雷達(dá)料位計(jì)，雷達(dá)液位計(jì)，物位計(jì)，水位計(jì)。江蘇中徽測(cè)控儀表致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。江蘇中徽測(cè)控儀表始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使江蘇中徽測(cè)控儀表在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1356038.html</p></div></div></div></div></div><div id="c4eqhtu" class="page-right twoColRt"><div id="zt32l78" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="738rxdt" 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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