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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu 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id="oxprjqs" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175273721257/9870697.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="apr7df7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175273721257/9870697.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ao2fmtv" class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>拋物面式雷達料位計多少錢,雷達料位計</p><p><span>***更新：</span>2021-01-21 09:08:38</p><p><span id="click" >瀏覽次數：2次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="vkugdp8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</a></p><p><span>聯系人：</span>姜經理</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>網址: </span>http://www.jszhckyb.com</p><p><span>手機: </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</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="kyahe2x" class="page-proshow02"><p class="title">詳細說明</p><div id="8s37fm7" class="box"><p><p> 雷達料位計安裝要求及調試雷達波在空氣中是直線傳播，所以探頭安裝位置是否合適將直接影響到測量的結果，對探頭安裝有如下要求：（1）探頭不應太靠近下料口，以免下落的物料干擾測量回波。（2）應保證探頭發(fā)射的波束（6度）與礦倉內物料表面盡量保持垂直。應考慮物料堆存安息角。（3）為了能有效地檢測高料位，探頭距料面的近距離應大于1米，拋物面式雷達料位計多少錢。探頭天線末端能夠伸出容器接管。（4）對于粉塵濃度較大且物料濕度較大的環(huán)境應考慮壓縮空氣吹掃，拋物面式雷達料位計多少錢，以避免探頭積塵。因此，拋物面式雷達料位計多少錢，探頭支架的高度和安裝角度應根據現場實際情況來確定。調試需借助萬向節(jié)使探頭對準容器**出料口且適應物料堆存安息角，并對應現場環(huán)境設定調整相關參數：量程、上下限報警、盲區(qū)、測量掃描頻率、顯示方式及虛假回波適應性等。 </p> <p> <br /> </p> <p> <br /> 雷達料位計是一款連續(xù)量的測量儀表，有著測量精度高的優(yōu)勢，精度可達±1mm。拋物面式雷達料位計多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="拋物面式雷達料位計多少錢,雷達料位計" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175273721257/9870697.png"></div><p> 安裝應注意的問題 </p> <p> 盡量避免在發(fā)射角內有造成假反射的裝置。特別要避免在距離天線近的1/3錐形發(fā)射區(qū)內有障礙裝置（因為障礙裝置越近，虛假反射信號越強）。若實在避免不了，建議用一個折射板將過強的虛假反射信號折射走。這樣可以減小假回波的能量密度，使傳感器較容易地將虛假信號濾出。 </p> <p> 要避開進料口，以免產生虛假反射。 </p> <p> 傳感器不要安裝在拱形罐的中心處（否則傳感器收到的虛假回波會增強），也不能距離罐壁很近安裝，比較好安裝位置在容器半徑的1/2處。 </p> <p> 要避免安裝在有很強渦流的地方。如：由于攪拌或很強的化學反應等，建議采用導波管或旁通管測量。 </p> <p> 若傳感器安裝在接管上，天線必須從接管伸出來。喇叭口天線伸出接管至少10mm。棒式天線接管長度比較大100或250mm。接管直徑小250mm?？梢圆扇〖哟蠼庸苤睆降姆椒?，以減少由于接管產生的干擾回波。 </p> <p> 關于導波管天線：導波管內壁一定要光滑，下面開口的導波管必須達到需要的比較低液位，這樣才能在管道中進行測量。傳感器的類型牌要對準導波管開孔的軸線。若被測介電常數小于4，需在導波管末端安裝反射板，或將導波管末端彎成一個彎度，將容器底的反射回波折射走。浙江透鏡式雷達料位計哪家口碑好按照工作方式進行劃分，雷達料位計又分為接觸式雷達料位計和非接觸式雷達料位計。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="拋物面式雷達料位計多少錢,雷達料位計" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175281631402/25036.png"></div><p> 雷達料位計測量料位的先進技術：(1)回波處理新技術的應用從雷達料位計的測量原理可以知道，雷達料位計是通過處理雷達波從探頭發(fā)射到介質表面然后返回到探頭的時間來測量料位的，在反射信號中混合有許多干擾信號，所以，對真實回波的處理和對各種虛假回波的識別技術就成為雷達料位計能夠準確測量的關鍵因素。(2)測量數據處理：由于液面波動和隨機噪聲等因素的影響，檢測信號中必然混有大量噪聲。為了提高檢測的準確度，必須對檢測信號進行處理，盡可能消除噪聲。經過大量的實驗驗證，采用數據平滑方法可以達到滿意的效果。此方法也可有效的克服罐內攪拌器對測量的影響。(3)雷達料位計的特點：由于雷達料位計采用了上述先進的回波處理和數據處理技術，加上雷達波本身頻率高，穿透性能好的特點，所以，雷達料位計具有比接觸式料位計和同類非接觸料位計更加優(yōu)良的性能。①可在惡劣條件下連續(xù)準確地測量。②操作簡單，調試方便。③準確安全且節(jié)省能源。④無需維修且可靠性強。⑤幾乎可以測量所有介質。 </p><p> 自動化儀表控制已進入了計算機時代，進入了所謂計算機集成過程控制系統的時代.在許多生產過程中，需要對物位進行檢測和控制，以保證生產正常連續(xù)運行，確保產品質量。如鍋爐內的水位，油罐、水塔和各種儲液罐的液位，糧倉、煤粉倉、水泥庫和化學原料庫中的料位以及高溫條件下連續(xù)生產中的鋁水、鋼水或鐵水的液位等。 </p> <p> 美國MONITOR雷達料位計依據時域反射原理(TDR Time Domain Reflectometry)為基礎的雷達料位計，時域反射原理首先是用于通訊電纜的故障檢測，我們將其成功應用于工業(yè)測量領域。 </p> <p> 1.在罐上或儲存容器上的位置可以是在**或側部，只要在接觸不到的容器部位即可。 </p> <p> 2.避免傳感器與罐壁的接觸，萬一安裝在直徑小于100mm的靜止管中時，將需要現場標定以保證對測量精確度，對于同軸版本，可以沒有問題的安裝而無需預防。 </p> <p> 3.避免安裝太靠近攪拌器，否則，軟纜/桿可能被纏住，在這種情況下，側面安裝的更可取些。 </p> <p> 4.在介質絮亂的情況下，傳感器的末端要固定住。雷達料位計原理以及技術性能,雷達料位計已成為物位測量儀表市場上的主流產品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="拋物面式雷達料位計多少錢,雷達料位計" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175262930240/2342296.png"></div><p> 微波雷達料位計測量原理通過從容器頂部天線發(fā)射的雷達信號對容器內產品的料位進行測量。在雷達信號被物料表面反射后,回波被天線接收。由于信號頻率不斷變化,與此時發(fā)射的信號相比,回波的頻率稍微有所不同。頻率的差異與產品表面的距離成比例,因此可以*計算料位。這種方法被稱為FMCW(調頻連續(xù)波)并用于雷達變送器。系統構成系統由雷達料位變送器、天線、顯示設備、保護裝置、導線和電源組成。雷達料位變送器冋產品表面發(fā)送頻率連續(xù)變化的微波信號。當反射信號返回天線時,與向外發(fā)射的信號混合。由于變送器連續(xù)改變發(fā)射信號的頻率,因此在發(fā)射信號與反射信號之間存在頻率差異變送器將這兩種信號混合,從而產生與產品表面距離成比例的低頻信號。雷達料位變送器使用快速傅立葉變換(FFT)技術,其軟件模塊軟件設置RadarMaster(雷達主機)軟件包可提供組態(tài)和維護功能,也包括測量數據顯示功能。采用HART技術,可通過手持通訊器或微機對測量數據進行組態(tài)和監(jiān)控?；窘M態(tài)設置的內容有天線、儲罐幾何尺寸、模擬輸出、過程條件、溫度測量、容量計算等。在基本組態(tài)設置后,需要根據應用對變送器進行優(yōu)化。在某些情況下,必須利用高級功能對變送器進一步組態(tài)。雷達料位計應用電磁脈沖進行快速測量，精度高，抗干擾能力強.拋物面式雷達料位計多少錢</p><p style="text-indent:25px">26GHz高頻雷達料位計天線小，附加天線罩可改善因污物、水汽的影響。拋物面式雷達料位計多少錢</p><p style="text-indent:25px">雷達料位計采用先進數據處理技術，加上雷達本身頻率高，穿透性能好的特點，同時微波的運行幾乎不受環(huán)境溫度和壓力的影響，同時操作簡單，調試方便、準確安全、節(jié)省能源。但爐料由爐頂進入料罐時，爐料中的粉末極易覆蓋雷達發(fā)射端，同時、雷達內部氮氣吹掃存在著發(fā)散性和局限性，影響雷達了雷達料位計測量料位的準確性，終造成料罐積料現象，直接影響高爐上料速度，值班工長及上料工無法準確判斷料罐下料情況，造成物料剩余，料流閥關閉不嚴，下密閥密封損壞，高爐被迫休風的后果。拋物面式雷達料位計多少錢</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2945289.html</p></div></div></div></div></div><div id="bvs8bda" class="page-right twoColRt"><div id="t8iub2a" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="z2ubyfc" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="3cmov2g" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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