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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lu7mlcj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107330909257812/7884833.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rqif9u3" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>資陽(yáng)雷達(dá)料位計(jì)哪家好,雷達(dá)料位計(jì)</p><p><span>***更新：</span>2020-12-25 11:05:19</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="icjl97t" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬(wàn)達(dá)廣場(chǎng)SOHO公寓2-2-1138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="onfcgxe" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="a3evklx" class="box"><p><p> 雷達(dá)波是一種特殊形式的電磁波，雷達(dá)料位計(jì)利用了電磁波的特殊性能來(lái)進(jìn)行料位檢測(cè)。電磁波的物理特性與可見(jiàn)光相似，傳播速度相當(dāng)于光速。其頻率為300MHz-3000GHz。電磁波可以穿透空間蒸汽、粉塵等干擾源，遇到障礙物易于被反射，資陽(yáng)雷達(dá)料位計(jì)哪家好，被測(cè)介質(zhì)導(dǎo)電性越好或介電常數(shù)越大，回波信號(hào)的反射效果越好，資陽(yáng)雷達(dá)料位計(jì)哪家好，資陽(yáng)雷達(dá)料位計(jì)哪家好。 </p> <p> 發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理。雷達(dá)傳感器的天線以波束的形式發(fā)射**小5.8GHz的雷達(dá)信號(hào)。反射回來(lái)的信號(hào)仍由天線接收，雷達(dá)料位計(jì)雷達(dá)脈沖信號(hào)從發(fā)射到接收的運(yùn)行時(shí)間與傳感器到介質(zhì)表面的距離以及物位成比例。資陽(yáng)雷達(dá)料位計(jì)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="資陽(yáng)雷達(dá)料位計(jì)哪家好,雷達(dá)料位計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107330909257812/7884833.jpg"></div><p> 雷達(dá)料位計(jì)是基于時(shí)間行程原理的測(cè)量?jī)x表，雷達(dá)波以光速運(yùn)行，運(yùn)行時(shí)間可以通過(guò)電子部件被轉(zhuǎn)換成物位信號(hào)。探頭發(fā)出高頻脈沖并沿纜繩傳播，當(dāng)脈沖遇到物料表面時(shí)反射回來(lái)被儀表內(nèi)的***接收，并將距離信號(hào)轉(zhuǎn)化為物位信號(hào)。雷達(dá)料位計(jì)的測(cè)量原理和雷達(dá)液位計(jì)以及雷達(dá)水位計(jì)的測(cè)量原理是一樣的，只不過(guò)它們的測(cè)量的介質(zhì)不一樣，應(yīng)用的環(huán)境也不一樣。 </p> <p> 雷達(dá)料位計(jì)適用于酸堿儲(chǔ)罐、漿料儲(chǔ)罐、固體顆粒、小型儲(chǔ)油罐。各類導(dǎo)電、非導(dǎo)電介質(zhì)、腐蝕性介質(zhì)。如煤倉(cāng)、灰倉(cāng)、油罐、酸罐等。內(nèi)江雷達(dá)料位計(jì)批發(fā)</p> <br /><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="資陽(yáng)雷達(dá)料位計(jì)哪家好,雷達(dá)料位計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107330964238281/550755.jpg"></div><p> 安裝注意事項(xiàng) </p> <p> （1）當(dāng)測(cè)量液態(tài)物料時(shí)，傳感器的軸線和介質(zhì)表面保持垂直；當(dāng)測(cè)量固態(tài)物料時(shí)，由于固體介質(zhì)會(huì)有一個(gè)堆角，傳感器要傾斜一定的角度。 </p> <p> （2）盡量避免在發(fā)射角內(nèi)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(nèi)有障礙裝置（因?yàn)檎系K裝置越近，虛假反射信號(hào)越強(qiáng)）。若實(shí)在避免不了，建議用一個(gè)折射板將過(guò)強(qiáng)的虛假反射信號(hào)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(hào)濾出。 </p> <p> （3）要避開(kāi)進(jìn)料口，以免產(chǎn)生虛假反射。 </p> <p> （4）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(huì)增強(qiáng)），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> 產(chǎn)品分類 </p> <p> 前已成為市場(chǎng)上的主流產(chǎn)品目，主要分為KERD-800/900系列雷達(dá)料位計(jì)脈沖雷達(dá)物位計(jì)和導(dǎo)波雷達(dá)物位計(jì)。低頻脈沖雷達(dá)物位計(jì)盡管具有價(jià)格相對(duì)低廉的優(yōu)點(diǎn)，但在主要應(yīng)用領(lǐng)域中，屬于逐漸被淘汰的產(chǎn)品。與低頻脈沖雷達(dá)物位計(jì)相比，高頻脈沖雷達(dá)物位計(jì)在應(yīng)用過(guò)程中有以下優(yōu)點(diǎn)： </p> <p> 1．KERD-800/900系列雷達(dá)料位計(jì)高頻雷達(dá)物位計(jì)（主要指26GHz和24GHz）具有能量高，波束角小，天線尺寸小，精度高等優(yōu)點(diǎn)。 </p> <p> 2.26GHz雷達(dá)波長(zhǎng)11mm，6GHz雷達(dá)波長(zhǎng)50mm，雷達(dá)物位計(jì)在測(cè)量散裝料位時(shí)，雷達(dá)波反射主要來(lái)自料面的漫反射，漫反射的強(qiáng)度與物料大小成正比，與波長(zhǎng)成反比，而大部份散裝料直徑遠(yuǎn)遠(yuǎn)小于50mm，這就是目前26GHz雷達(dá)是測(cè)量散裝料物位比較好選擇的原因。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="資陽(yáng)雷達(dá)料位計(jì)哪家好,雷達(dá)料位計(jì)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107330760644531/4834008.jpg"></div><p> 應(yīng)用中存在的問(wèn)題及解決方法: </p> <p> 有些工況下所使用的雷達(dá)料位計(jì)，因?yàn)閭鞲衅靼惭b位置不當(dāng)及條件所致，出現(xiàn)了一些問(wèn)題，下面將對(duì)一些使用中的問(wèn)題提出解決方案,供大家參考。 </p> <p> 1．探頭結(jié)疤和頻繁故障的解決方法 </p> <p> 導(dǎo)波雷達(dá)料位計(jì) </p> <p> ***個(gè)辦法是將探頭安裝位置提高，但是有時(shí)候安裝條件限制，不能提高的情況下，就應(yīng)采用將料位測(cè)量值與該槽的泵聯(lián)鎖的辦法，解決這一難題：將比較高料位設(shè)定值減小0.5m左右，當(dāng)料位達(dá)到該比較高值時(shí)，即可停進(jìn)料泵或開(kāi)啟出料泵。 </p> <p> 2．關(guān)于泡沫對(duì)測(cè)量的影響： </p> <p> 干泡沫和濕泡沫能將雷達(dá)波反射回來(lái)，對(duì)測(cè)量無(wú)影響；中性泡沫則會(huì)吸收和擴(kuò)散雷達(dá)波，因而嚴(yán)重影響回波的反射甚至沒(méi)有回波。當(dāng)介質(zhì)表面為稠而厚的泡沫時(shí)，測(cè)量誤差較大或無(wú)法測(cè)量，在這種工況下，雷達(dá)料位計(jì)不具有優(yōu)勢(shì)，這是其應(yīng)用的局限性。 </p> <p> <br /> </p> <p> 3．對(duì)于天線結(jié)疤的處理： </p> <p> 介電常數(shù)很小的掛料在干燥狀態(tài)下對(duì)測(cè)量無(wú)影響，而介電常數(shù)很高的掛料則對(duì)測(cè)量有影響。可用壓縮空氣吹掃（或清水沖洗），且冷卻的壓縮空氣可降低法蘭和電器元件的溫度。還可用酸性清洗液清洗堿性結(jié)疤，但在清洗期間不能進(jìn)行料位測(cè)量。 </p> <p> <br /> 內(nèi)江雷達(dá)料位計(jì)批發(fā)</p><p style="text-indent:25px">資陽(yáng)雷達(dá)料位計(jì)哪家好</p><p> 安裝注意事項(xiàng) </p> <p> <br /> </p> <p> 若傳感器安裝在接管上，天線必須從接管伸出來(lái)。喇叭口天線伸出接管至少10mm。棒式天線接管長(zhǎng)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(chǎn)生的干擾回波。 </p> <p> 關(guān)于導(dǎo)波管天線：導(dǎo)波管內(nèi)壁一定要光滑，下面開(kāi)口的導(dǎo)波管必須達(dá)到需要的比較低液位，這樣才能在管道中進(jìn)行測(cè)量。傳感器的類型牌要對(duì)準(zhǔn)導(dǎo)波管開(kāi)孔的軸線。若被測(cè)介電常數(shù)小于4，需在導(dǎo)波管末端安裝反射板，或?qū)?dǎo)波管末端彎成一個(gè)彎度，將容器底的反射回波折射走。 </p> <p> <br /> 資陽(yáng)雷達(dá)料位計(jì)哪家好</p><p style="text-indent:25px">成都皖川科技有限公司主要經(jīng)營(yíng)范圍是儀器儀表，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下耐磨熱電偶，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)深受客戶的喜愛(ài)。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2558713.html</p></div></div></div></div></div><div id="bqxzov8" class="page-right twoColRt"><div id="im37yxj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jdvhbxe" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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