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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="imyfry8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929160113734/7118912.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oczbi3n" 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>水箱液位計(jì)哪家實(shí)惠,液位計(jì)</p><p><span>***更新：</span>2021-02-01 07:11:54</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fzwyqu2" 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: </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="gpr7me2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ygyvhod" class="box"><p><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，水箱液位計(jì)哪家實(shí)惠，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，水箱液位計(jì)哪家實(shí)惠，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，水箱液位計(jì)哪家實(shí)惠。投入式液位計(jì)穩(wěn)定性能：±0.05%FS/年；±0.1%FS/年。水箱液位計(jì)哪家實(shí)惠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="水箱液位計(jì)哪家實(shí)惠,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929160113734/7118912.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、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。紹興磁翻板液位計(jì)廠家服務(wù)熱線分體式超聲波液位計(jì)產(chǎn)品特點(diǎn)有哪些？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="水箱液位計(jì)哪家實(shí)惠,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929121871449/1588920.png"></div><p style="text-indent:25px">高溫高壓磁翻板液位計(jì)技術(shù)參數(shù):測(cè)量范圍：200…….～15000㎜（超過(guò)6000mm的或運(yùn)輸條件不允許超過(guò)長(zhǎng)度的液位計(jì)可采購(gòu)分段制造）;顯示精度：±10mm；工作壓力：6.3、10.0、16.0、25.0MPa；介質(zhì)溫度：-20℃～450℃；介質(zhì)密度：≥.0.5g/cm3；介質(zhì)密度差：≥.0.15g/cm3（測(cè)量界位）;介質(zhì)粘度：≤0.4Pa·S；過(guò)程連接：DN20/25 PN1.0 ,如需其它標(biāo)準(zhǔn)可按客戶要求制造。接液材質(zhì)：316SS、316L等等按介質(zhì)化學(xué)性質(zhì)及使用溫度壓力選擇）；浮子材質(zhì)：316SS、316L、鈦等。</p><p style="text-indent:25px">特液位計(jì)點(diǎn)：穩(wěn)定性好，滿度、零位長(zhǎng)期穩(wěn)定性可達(dá) 0.1%FS/ 年。在補(bǔ)償溫度 0 ～ 70 ℃范圍內(nèi)，溫度飄移低于 0.1%FS ，在整個(gè)允許工作溫度范圍內(nèi)低于 0.3%FS 。具有反向保護(hù)、限流保護(hù)電路，在安裝時(shí)正負(fù)極接反不會(huì)損壞變送器，異常時(shí)送器會(huì)自動(dòng)限流在 35MA 以內(nèi)。固態(tài)結(jié)構(gòu)，無(wú)可動(dòng)部件，高可靠性，使用壽命長(zhǎng)。安裝方便、結(jié)構(gòu)簡(jiǎn)單、經(jīng)濟(jì)耐用。固態(tài)結(jié)構(gòu)，無(wú)可動(dòng)部件，高可靠性，使用壽命長(zhǎng)。安裝方便、結(jié)構(gòu)簡(jiǎn)單、經(jīng)濟(jì)耐用。測(cè)量范圍：工藝: 擴(kuò)散硅陶瓷電容藍(lán)寶石電容任選。分體式一體式可量程: 0---0.5---200米輸出: 4---20mA (2線制供電: 7.5---36VDC 推薦24VDCCBM-2100/CBM-2700投入式靜壓液位計(jì)可靠防腐并帶有陶瓷測(cè)量單元的探頭，用于凈水、污水及鹽水的物位測(cè)量。液位計(jì)一般用作儲(chǔ)礶，儲(chǔ)槽，鍋爐，容器等液體的液面顯示及計(jì)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="水箱液位計(jì)哪家實(shí)惠,液位計(jì)" src="https://tyunfile.71360.com/UploadFile/nanyishiye/637401929248990605/8345748.png"></div><p style="text-indent:25px">URT雷達(dá)料位計(jì)和UT超聲波液位計(jì)有何區(qū)別？超聲波：以聲波為檢測(cè)信號(hào)，聲波是機(jī)械波，遇到大的密度（氣-液-固）變化界面發(fā)生反射，傳播依靠介質(zhì)，溫度、壓力對(duì)測(cè)量影響大，要引入溫度補(bǔ)償。一般不適用高溫或帶壓力測(cè)量。雷達(dá)：以電磁波為檢測(cè)信號(hào)，在介電常數(shù)發(fā)生變化的界面發(fā)生反射，電磁波可在真空中傳播，基本不受溫度、壓力變化影響，所以可用于高溫、高壓場(chǎng)合。不適合用于極低介電常數(shù)介質(zhì)的測(cè)量。超聲波液位計(jì)針都采用了Echo-Pipe技術(shù)，允許探頭安裝在2"-4"的金屬或者非金屬導(dǎo)管中，而不受導(dǎo)管內(nèi)壁反射波的干擾，適合在有攪拌，泡沫，水蒸汽和周圍有障礙物所產(chǎn)生雜波的環(huán)境中應(yīng)用。導(dǎo)波雷達(dá)料位計(jì)是依據(jù)時(shí)域反射原理(TDR Time Domain Reflectometry)為基礎(chǔ)的雷達(dá)料位計(jì)，時(shí)域反射原理首先是用于通訊電纜的故障檢測(cè)，可以近我們將其成功應(yīng)用于工業(yè)測(cè)量領(lǐng)域。磁浮子式液位計(jì)出線口：M20×1.5（內(nèi)）。水箱液位計(jì)哪家實(shí)惠</p><p style="text-indent:25px">被檢測(cè)的介質(zhì)可為水、油、酸、堿、工業(yè)污水等導(dǎo)電及非導(dǎo)電液體。水箱液位計(jì)哪家實(shí)惠</p><p style="text-indent:25px">磁翻板液位計(jì)信號(hào)輸出原理：首先讓我們來(lái)了解一下磁翻板液位計(jì)的結(jié)構(gòu)：每一臺(tái)磁翻板液位計(jì)都有一個(gè)容納浮球的腔體，稱為主體管或外殼，它通過(guò)法蘭或其他接口與容器組成一個(gè)連通器；這樣它腔體內(nèi)的液面與容器內(nèi)的液面是相同高度的，所以腔體內(nèi)的浮球會(huì)隨著容器內(nèi)液面的升降而升降；在腔體的外面裝了一個(gè)翻柱顯示器，因?yàn)槲覀冊(cè)谥圃旄∏驎r(shí)在浮球沉入液體與浮出部分的交界處安裝了磁鋼，它與浮球隨液面升降時(shí)，它的磁性透過(guò)外殼傳遞給翻柱顯示器，推動(dòng)磁翻柱翻轉(zhuǎn)180°；由于磁翻柱是有紅、白兩個(gè)半圓柱合成的圓柱體，所以翻轉(zhuǎn)180°后朝向翻柱顯示器外的會(huì)改變顏色，兩色交界處即是液面的高度。水箱液位計(jì)哪家實(shí)惠</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/3108475.html</p></div></div></div></div></div><div id="84sikhu" class="page-right twoColRt"><div id="3blipwi" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="smol72p" class="recomPic 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