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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: </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="7tprdok" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7sev3p4" class="box"><p><p style="text-indent:25px">吹泡式液位計(jì)是應(yīng)用靜壓原理測(cè)量敞口容器液位。壓縮空氣經(jīng)過(guò)過(guò)濾減壓閥后，再經(jīng)定值器輸出一定的壓力，經(jīng)節(jié)流元件后分兩路：(1)一路進(jìn)到安裝在容器內(nèi)的導(dǎo)管，由容器底部吹出；(2)另一路進(jìn)入壓力計(jì)進(jìn)行指示。當(dāng)液位較低時(shí)，氣泡吹出沒(méi)有阻力，背壓力零，壓力計(jì)指零；當(dāng)液位增高時(shí)，氣泡吹出要克服液柱的靜壓力，背壓增加，壓力指示增大。因此，背壓即壓力計(jì)指示的壓力大小，就反映了液面的高低。吹泡式液位計(jì)結(jié)構(gòu)簡(jiǎn)單、價(jià)廉，適用于測(cè)量具有腐蝕性，紹興投入式液位計(jì)哪家口碑好、粘度大和含有懸浮顆粒的敞口容器的液位，紹興投入式液位計(jì)哪家口碑好，但精度較低，紹興投入式液位計(jì)哪家口碑好。MY型屬模擬式液位變送器，由液位傳感器和信號(hào)轉(zhuǎn)換器兩部分組成。紹興投入式液位計(jì)哪家口碑好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興投入式液位計(jì)哪家口碑好,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929322340235/4292944.png"></div><p style="text-indent:25px">由于浮筒桿是一個(gè)體積小重量沉得金屬管，浮筒所排出的液體重量遠(yuǎn)遠(yuǎn)小于浮筒本身的重量，因此浮筒上部的連接件仍然處于緊繃狀態(tài)，扭力桿承受著浮筒重力減去浮筒所排出液體的重量（浮筒的浮力）產(chǎn)生一個(gè)變化的扭轉(zhuǎn)，此時(shí)浮筒液位計(jì)輸出一個(gè)變化的大于4毫安的電流。當(dāng)被測(cè)液體的液位達(dá)到zu高，此時(shí)浮筒全部浸沒(méi)入被測(cè)液體，此時(shí)浮筒所排出的液體的體積重量為一固定數(shù)值，此時(shí)扭力桿所承受的扭轉(zhuǎn)力為浮筒自身重量減去浮筒所排出的液體的重量，此時(shí)扭力桿承受著一個(gè)固定的扭轉(zhuǎn)力，浮筒液位計(jì)輸出的電流為20毫安，即浮筒液位計(jì)的滿度。根據(jù)阿基米德定律，整個(gè)液位測(cè)量過(guò)程中浮筒上部連接鋼絲所承受的拉力F= mg-ρVg=G -πd2/4ρgH公式中G為浮筒的重量，d為浮筒的外徑，ρ為被測(cè)液體的密度，H為被測(cè)液體的高度。上述的公式經(jīng)過(guò)轉(zhuǎn)換變?yōu)椋篐=4（G-F）/πd2ρ=K（G-F）/ρ式中K為一固定常數(shù)4/πd2從公式中可以看出鋼絲所受的拉力F在液體密度ρ一定的情況下，與被測(cè)液體的高度H成單值對(duì)應(yīng)的反比關(guān)系。只要檢測(cè)出浮筒上部鋼絲的拉力F即可得出被測(cè)液體的高度。紹興投入式液位計(jì)哪家口碑好投入式液位計(jì)零點(diǎn)溫度系數(shù)：±0.01%FS/℃。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興投入式液位計(jì)哪家口碑好,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929143463386/712156.png"></div><p style="text-indent:25px">外測(cè)液位計(jì)在測(cè)量有毒害、腐蝕性、有壓力、易燃易爆、易揮發(fā)、易側(cè)漏的液體時(shí)，不使用閥門(mén)、連通管、接頭、不需開(kāi)孔，不接觸罐內(nèi)的液體和氣體，通過(guò)外置的聲吶傳感器（探頭）實(shí)現(xiàn)作業(yè)，保障人員安全和生產(chǎn)的正常進(jìn)行。安裝調(diào)試，維修方便。外置式的液位計(jì)在安裝，調(diào)試及維修時(shí)不清罐、不影響生產(chǎn)，特別適用于在危險(xiǎn)環(huán)境下不宜開(kāi)蓋調(diào)試的場(chǎng)合。自動(dòng)校準(zhǔn)和自診斷功能外測(cè)液位計(jì)具有的自動(dòng)校準(zhǔn)功能，克服了傳統(tǒng)液位計(jì)長(zhǎng)時(shí)間使用后精度降低的問(wèn)題。其對(duì)自身工作狀態(tài)及硬件診斷功能,增加了外貼式液位計(jì)的可靠性與穩(wěn)定性。就地顯示及遠(yuǎn)傳功能外貼式液位計(jì)既可以方便的在現(xiàn)場(chǎng)顯示液位值，又可以通過(guò)信號(hào)線將液位信息遠(yuǎn)傳至控制室。應(yīng)用領(lǐng)域比較。</p><p style="text-indent:25px">遠(yuǎn)傳磁性浮子液位計(jì)對(duì)壓力的要求。這里說(shuō)的是介質(zhì)與設(shè)備內(nèi)介質(zhì)周圍的高壓力，準(zhǔn)確的說(shuō)就是所測(cè)容器內(nèi)部與遠(yuǎn)傳磁性浮子液位計(jì)連通管內(nèi)的壓力。壓力這個(gè)參數(shù)很重要，壓力的高低不僅影響了法蘭片厚度，也會(huì)對(duì)浮子的直徑、主體鋼管的厚度。還有就是浮子的耐壓程度，是否需要加支撐，如果浮子的有耐壓程度與實(shí)際工作壓力不配合，實(shí)際實(shí)力遠(yuǎn)高于浮子的耐力，很可能浮子就被壓癟了，直接就報(bào)廢了。遠(yuǎn)傳磁性浮子液位計(jì)對(duì)介質(zhì)化學(xué)性質(zhì)的要求，也就是經(jīng)常說(shuō)的腐蝕性程度。這是一個(gè)很重要的環(huán)境要求，如果測(cè)量介質(zhì)的腐蝕性高，那么制造液位計(jì)的時(shí)候選用的接觸介質(zhì)的材質(zhì)就是要用耐腐蝕性的材質(zhì)，比如304不銹鋼是普通的防腐蝕，316L就稍微高了一級(jí)，再下面有PP防腐、還有不銹鋼內(nèi)襯四氟防腐等。還有充分地了解介質(zhì)的經(jīng)學(xué)特性，也有利于我們節(jié)約遠(yuǎn)傳磁性浮子液位計(jì)采購(gòu)經(jīng)費(fèi)，實(shí)現(xiàn)性價(jià)比優(yōu)化。投入式液位計(jì)防護(hù)等級(jí)：IP6。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紹興投入式液位計(jì)哪家口碑好,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929212467148/3180685.png"></div><p style="text-indent:25px">常用的液位計(jì)包括：雷達(dá)液位計(jì)、超聲波液位計(jì)、磁翻板液位計(jì)、浮球液位計(jì)其次是磁浮子式、浮筒式、電容式液位計(jì)、浮子鋼帶液位計(jì)、磁致伸縮式液位計(jì)等等；附帶液位計(jì)發(fā)展的市場(chǎng)趨勢(shì)：液位計(jì)應(yīng)用場(chǎng)合極不相同，因而種類也繁多。生產(chǎn)過(guò)程中各類塔釜罐液位的檢測(cè)目前仍是以壓力和差壓變送器為主。這除了其自身性價(jià)比還有一定的優(yōu)勢(shì)外，還有設(shè)計(jì)和應(yīng)用的習(xí)慣問(wèn)題。其次是磁浮子式、浮筒式、電容式液位計(jì)也有相當(dāng)?shù)膽?yīng)用量。隨著技術(shù)發(fā)展，磁致伸縮式、超聲波式和射頻導(dǎo)納式液位計(jì)的用量將會(huì)迅速增加，壓力（差壓）式液位計(jì)比例會(huì)有所下降。依據(jù)介質(zhì)和現(xiàn)場(chǎng)條件的不同，各種液位計(jì)各展優(yōu)勢(shì)，將形成一個(gè)多元化的局面。磁浮子式液位計(jì)環(huán)境溫度：-40～+60℃。常州套管式液位計(jì)哪家實(shí)惠</p><p style="text-indent:25px">投入式液位計(jì)輸出信號(hào)：RS485、4-20mA（可選）。紹興投入式液位計(jì)哪家口碑好</p><p style="text-indent:25px">超聲波液位計(jì)頂部藍(lán)色故障燈的解決辦法：超聲波液位計(jì)常見(jiàn)故障的問(wèn)題就是頂部藍(lán)色故障燈。結(jié)合實(shí)際列出了以下解決方法：在超聲波持續(xù)零液位時(shí)，頂部燈亮，輸出電流是22MA。而且隔一段時(shí)間以后恢復(fù)液位時(shí)，故障就不能自動(dòng)解除，需要關(guān)電重啟后正常，這給客戶帶來(lái)不必要的麻煩甚至損失（例如晚上無(wú)人值守的時(shí)候）。解決的辦法就是選用非金屬支架。因?yàn)檫x用非金屬支架后，螺紋處的發(fā)射波能穿透出去，而零點(diǎn)液位的回波信號(hào)會(huì)大于螺紋處的回波信號(hào)。經(jīng)過(guò)上述解釋與實(shí)際改進(jìn)后，故障全部解決，供需雙方皆大歡喜。從而進(jìn)一步加強(qiáng)了合作。出現(xiàn)這種故障就是安裝附件的選擇問(wèn)題，超聲波的發(fā)射除了平面頭以外，在螺紋這里也是有發(fā)射的。如果持續(xù)的零位，在加上安裝件選用金屬支架。超聲波液位計(jì)就會(huì)識(shí)別到支架部分的信號(hào)強(qiáng)度大于平面頭接收的信號(hào)強(qiáng)度。而金屬支架部分與發(fā)射波之間處于盲區(qū)距離。所以超聲波處于保護(hù)狀態(tài)，故障燈常亮，輸出22MA。紹興投入式液位計(jì)哪家口碑好</p><p style="text-indent:25px">南儀測(cè)控技術(shù)(上海)有限公司是一家一般項(xiàng)目:從事測(cè)控科技領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機(jī)電設(shè)備的生產(chǎn)、加工、組裝、銷售，機(jī)電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險(xiǎn)品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營(yíng)業(yè)執(zhí)照依法自主開(kāi)展經(jīng)營(yíng)活動(dòng))的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。南儀測(cè)控技術(shù)作為一般項(xiàng)目:從事測(cè)控科技領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，傳感器、儀器儀表、機(jī)電設(shè)備的生產(chǎn)、加工、組裝、銷售，機(jī)電設(shè)備的安裝及維修，傳感器配件、儀表配件、電子元器件、汽車配件、電腦軟硬件、辦公設(shè)備、塑料制品、不銹鋼制品、蓄電池(除危險(xiǎn)品)、建筑裝潢材料的銷售，自有設(shè)備租賃，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外，憑營(yíng)業(yè)執(zhí)照依法自主開(kāi)展經(jīng)營(yíng)活動(dòng))的企業(yè)之一，為客戶提供良好的壓力變送器，溫度傳感器，液位計(jì)，流量計(jì)。南儀測(cè)控技術(shù)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。南儀測(cè)控技術(shù)始終關(guān)注五金、工具行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br 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