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class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_wybez/">物位儀表</a>?<a href="http://www.cdcfah.com/cp/third-wybez_yyb/">液位儀表</a>?杭州投入式液位計報價 **** 武漢康宇通達測控儀表供應</p><div id="xvmvrsy" class="leftbox clearfix"><h1>杭州投入式液位計報價 **** 武漢康宇通達測控儀表供應</h1><div id="uiulrno" class="proBig"><div id="x3tab7r" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/kytdck/637231460593037109/1502139.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8lzpawc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/kytdck/637231460593037109/1502139.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="y5nefwx" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>杭州投入式液位計報價</p><p><span>***更新：</span>2020-06-26 01:33:24</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="qqwxtuq" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">武漢康宇通達測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>馮先生</p><p><span>郵箱: </span>907088900@qq.com</p><p><span>電話: </span>13307145778</p><p><span>傳真: </span>027_87710582</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>027-87710582</p><p><span>地址: </span>洪山區(qū)珞喻路39號賽博數(shù)碼廣場</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cijfwcd" class="page-proshow02"><p class="title">詳細說明</p><div id="3qgsoz8" class="box"><p><h1> <span style="font-size:16px;">油罐液位測量的變遷</span> </h1> <p> <span style="font-size:16px;">在中石油及中石化的成品油流通行業(yè)，對油罐油量的測量大多采用<span style="color:#E53333;"><strong>人工爬罐</strong></span>，投尺進行測量。</span><span style="font-size:16px;">用帶有重錘的米制鋼帶卷尺或帶有刻度的標尺計量，手工記錄讀數(shù)，人工查表換算，再得到油量數(shù)據(jù)。</span><span style="font-size:16px;">這種測量方法不僅勞動強度大，同時存在不安全因素，也無法保證精度。</span> </p> <p> <span style="font-size:16px;">個別地方有用<strong><span style="color:#E53333;">電容式/擴散硅壓力式液位計測量</span></strong>，杭州投入式液位計報價，由于這類傳感器零漂移嚴重，測量偏差大，長期工作穩(wěn)定性差，不受用戶歡迎。</span> </p> <p> <span style="font-size:16px;">也有的地方采用等壓式<strong><span style="color:#E53333;">皮膜液位計或機械式浮子液位計</span></strong>。但因皮膜式液位計受溫度影響大，且存在漏氣問題，杭州投入式液位計報價，杭州投入式液位計報價，機械浮子液位計又經(jīng)常出現(xiàn)鋼帶卡死現(xiàn)象，所以都沒有得到很廣的應用。</span> </p> <p> <span style="font-size:16px;">現(xiàn)在多</span><span style="font-size:16px;">采用<strong><span style="color:#E53333;">磁致伸縮液位計</span></strong>，進行油罐液位的測量。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州投入式液位計報價" src="https://tyunfile.71360.com/UploadFile/kytdck/637231460593037109/1502139.jpg"></div><h1 style="text-align:center;"> <span style="font-size:16px;">浮球液位計</span> </h1> <p> <br /> </p> <p> <span style="font-size:16px;"> 很多人會把浮球液位計和浮球液位計混淆，可事實上他們存有一定的區(qū)別。浮球液位計的測試方法是依據(jù)阿基米德定律多方面保持的，又因為帶磁功效，浮球與干簧管造成帶磁吸協(xié)作用，使器皿的液位轉(zhuǎn)變時浮球也伴隨著左右挪動，使儀表盤工作人員可以形象化載入液位的部位。浮球液位計的優(yōu)勢是近視度數(shù)形象化、迅速、方便快捷，且質(zhì)優(yōu)價廉，有利于安裝。其缺點是精密度低，安裝部位受器皿樣子構(gòu)造的限定，且市面絕大多數(shù)的浮球液位計都不宜用以腐蝕強，或具備危險因素的液體物質(zhì)。計為Float-11 P耐腐蝕型浮球液位計歷經(jīng)高級工程師的產(chǎn)品研發(fā)，根據(jù)隔爆和本安雙向防爆認證（隔爆級別Ex d IIC T6，本安級別Ex ia IIC T6），能夠非常好地運用于風險場所當中。加上計為設(shè)計方案的鍍層（PP/PTFE）加工工藝，讓Float-11P更為合適精確測量強腐蝕的液體。</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;"></span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州投入式液位計報價" src="https://tyunfile.71360.com/UploadFile/kytdck/637231460588652343/3058209.jpg"></div><h1> <span style="font-size:16px;">差壓式液位變送器</span> </h1> <p> <span style="font-size:16px;">雙法蘭（或單法蘭）差壓式變送器是利用罐內(nèi)液位改變時，液位產(chǎn)生的靜壓也隨之變化的原理工作的。</span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#FF9900;">優(yōu)點</span></strong>：穩(wěn)定性好，性價比高，不受罐內(nèi)件影響。</span> </p> <p> <span style="font-size:16px;"><span style="color:#4C33E5;"><strong>缺點</strong></span>：需接觸介質(zhì)，受密度影響大，在毛細管過長時存在滯后。</span> </p> <h1> <span style="font-size:16px;">雷達液位計</span> </h1> <p> <span style="font-size:16px;">雷達液位計分<strong><span style="color:#E53333;">非接觸式雷達</span></strong>和<strong><span style="color:#E53333;">導波雷達</span></strong>兩種，原理是液位計向液面發(fā)射超高頻電磁脈沖（導波雷達沿鋼纜、探棒），然后測量發(fā)射波和回波的時差，從而計算出液面高度。</span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>導波雷達</strong></span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">優(yōu)點：</span></strong>不受溫度、蒸汽、粉塵、泡沫等的影響。</span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">缺點：</span></strong>以接觸介質(zhì)，對介電常數(shù)有要求，鋼纜、探棒易掛料，鋼纜可能脫落。</span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>非接觸式雷達</strong></span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">優(yōu)點：</span></strong>不接觸介質(zhì)。</span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">缺點：</span></strong>對介電常數(shù)有要求，不適合汽化、帶泡沫介質(zhì)，對安裝位置、法蘭高度有限制。</span> </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/393137.html</p></div></div></div></div></div><div id="8arnzql" class="page-right twoColRt"><div id="pdulr2h" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rf8vbm3" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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