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href="http://www.cdcfah.com/cp/third-yyjyyj_qtyyjjzpj/">其他液壓機(jī)械及組配件</a>?江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格歡迎咨詢江蘇中徽測(cè)控儀表供應(yīng)</p><div id="qaspgip" class="leftbox clearfix"><h1>江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格歡迎咨詢江蘇中徽測(cè)控儀表供應(yīng)</h1><div id="gq284bx" class="proBig"><div id="bqs2kfh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175363672485/69283.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3dhldv2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175363672485/69283.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lpmt2ph" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格,雷達(dá)料位計(jì)</p><p><span>***更新：</span>2021-01-12 08:09:37</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="f8p7w8f" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測(cè)控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)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(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </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(hào)</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="t2y3ueu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bvnf8yt" class="box"><p><p> 關(guān)于泡沫對(duì)測(cè)量的影響干泡沫和濕泡沫能將雷達(dá)波反射回來，對(duì)測(cè)量無影響；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> 對(duì)于天線結(jié)疤的處理介電常數(shù)很小的掛料在干燥狀態(tài)下對(duì)測(cè)量無影響，而介電常數(shù)很高的掛料則對(duì)測(cè)量有影響，江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格?？捎脡嚎s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，江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格，江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格，但在清洗期間不能進(jìn)行料位測(cè)量。雷達(dá)料位計(jì)具有不受介質(zhì)比重的影響、不受介電常數(shù)變化的影響、不需要現(xiàn)場(chǎng)校調(diào)等特點(diǎn)。江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175363672485/69283.png"></div><p> 料位計(jì)主要分為兩大類： </p> <p> 連續(xù)型和開關(guān)式 </p> <p> 連續(xù)型有超聲波、導(dǎo)波雷達(dá) </p> <p> 開關(guān)式則種類較多，阻旋式料位計(jì)、音叉式料位計(jì)、電容式料位計(jì)、重錘式料位計(jì)、射頻導(dǎo)納料位計(jì)。 </p> <p> 其中阻旋式和音叉式料位計(jì)對(duì)使用場(chǎng)合要求較高，不耐沖擊、不能測(cè)粘稠物料，電容式應(yīng)該說是克服了其他料位計(jì)的缺點(diǎn)，曾經(jīng)是行業(yè)的主流，可惜的是它也有致命的缺陷，就是不能識(shí)別假料，為了克服這個(gè)缺陷，在電容式的基礎(chǔ)上開發(fā)出了射頻導(dǎo)納料位計(jì)。 </p> <p> 料位計(jì)有模擬量輸出的料位計(jì)，開關(guān)量的料位計(jì)模擬量就是連續(xù)量的4-20mA 輸出的料位計(jì)，有超聲波料位計(jì)，雷達(dá)料位計(jì)，重錘料位計(jì)，電容料位計(jì)，開關(guān)量輸出的是開關(guān)的，如射頻導(dǎo)納料位開關(guān)，阻旋料位開關(guān)，音叉料位開關(guān)，振棒料位開關(guān)，膜片料位開關(guān)，傾斜料位計(jì)開關(guān)。鎮(zhèn)江高頻雷達(dá)料位計(jì)價(jià)格由于雷達(dá)料位計(jì)采用了上述先進(jìn)的回波處理和數(shù)據(jù)處理技術(shù)，加上雷達(dá)波本身頻率高，穿透性能好的特點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175386963431/7280068.png"></div><p> 原理及技術(shù)性能 </p> <p> 1、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進(jìn)行料位檢測(cè)。電磁波的物理特性與可見光相似，傳播速度相當(dāng)于光速。 </p> <p> 2、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，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。 </p> <p> 3、雷達(dá)波的頻率越高，發(fā)射角越小，單位面積上能量（磁通量或場(chǎng)強(qiáng)）越大呢，波的衰減越小，雷達(dá)料位計(jì)的測(cè)量效果越好的。 </p> <span style="display:none;"></span><p> 應(yīng)用中存在的問題及解決方法 </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)了一些問題，下面將對(duì)一些使用中的問題提出解決方案,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)料泵或開啟出料泵。 </p> <p> 2．雷達(dá)料位計(jì)被淹相應(yīng)的改進(jìn)辦法解決這種問題的辦法是將雷達(dá)料位計(jì)改為導(dǎo)波管式測(cè)量。仍在原開孔處安裝導(dǎo)波管式雷達(dá)料位計(jì)，導(dǎo)波管高于排汽管0.2m左右，這樣一來，即使出現(xiàn)料漿從排汽管溢出的惡劣工況，也不會(huì)使料位計(jì)天線被料漿淹沒，而且避免了攪拌器渦流的干擾及大量蒸汽從探頭處冒出，減少了對(duì)探頭的損害，同時(shí)由于導(dǎo)波管聚焦效果好，接收的雷達(dá)波信號(hào)更強(qiáng)，取得了很好的測(cè)量效果。使用導(dǎo)波管測(cè)量方式，可以改善表計(jì)測(cè)量條件，提高儀表測(cè)量性能,具有很高的推廣應(yīng)用價(jià)值。具有較多粉塵和溫度、壓力變化較大以及有惰性氣體及蒸汽存在的場(chǎng)合和復(fù)雜工況下，雷達(dá)料位計(jì)仍能可靠工作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175733721248/2102841.png"></div><p> (1)回波處理新技術(shù)的應(yīng)用從雷達(dá)料位計(jì)的測(cè)量原理可以知道，雷達(dá)料位計(jì)是通過處理雷達(dá)波從探頭發(fā)射到介質(zhì)表面然后返回到探頭的時(shí)間來測(cè)量料位的，在反射信號(hào)中混合有許多干擾信號(hào)，所以，對(duì)真實(shí)回波的處理和對(duì)各種虛假回波的識(shí)別技術(shù)就成為雷達(dá)料位計(jì)能夠準(zhǔn)確測(cè)量的關(guān)鍵因素。(2)測(cè)量數(shù)據(jù)處理：由于液面波動(dòng)和隨機(jī)噪聲等因素的影響，檢測(cè)信號(hào)中必然混有大量噪聲。為了提高檢測(cè)的準(zhǔn)確度，必須對(duì)檢測(cè)信號(hào)進(jìn)行處理，盡可能消除噪聲。經(jīng)過大量的實(shí)驗(yàn)驗(yàn)證，采用數(shù)據(jù)平滑方法可以達(dá)到滿意的效果。此方法也可有效的克服罐內(nèi)攪拌器對(duì)測(cè)量的影響。(3)雷達(dá)料位計(jì)的特點(diǎn)：由于雷達(dá)料位計(jì)采用了上述先進(jìn)的回波處理和數(shù)據(jù)處理技術(shù)，加上雷達(dá)波本身頻率高，穿透性能好的特點(diǎn)，所以，雷達(dá)料位計(jì)具有比接觸式料位計(jì)和同類非接觸料位計(jì)更加優(yōu)良的性能。①可在惡劣條件下連續(xù)準(zhǔn)確地測(cè)量。②操作簡(jiǎn)單，調(diào)試方便。③準(zhǔn)確安全且節(jié)省能源。④無需維修且可靠性強(qiáng)。⑤幾乎可以測(cè)量所有介質(zhì)。雷達(dá)料位計(jì)是通過處理雷達(dá)波從探頭發(fā)射到介質(zhì)表面，然后返回到探頭的時(shí)間來測(cè)量料位的。鎮(zhèn)江高頻雷達(dá)料位計(jì)價(jià)格</p><p style="text-indent:25px">雷達(dá)料位計(jì)是通過處理雷達(dá)波從探頭發(fā)射到介質(zhì)表面然后返回到探頭的時(shí)間來測(cè)量料位的。江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格</p><p> 雷達(dá)料位計(jì)操作步驟如下所述： </p> <p> 1、雷達(dá)料位計(jì)在測(cè)量敞開儲(chǔ)罐的過程連署之前，務(wù)必明確承認(rèn)罐內(nèi)無壓力，并無有害媒介。 </p> <p> 2、在測(cè)量之前應(yīng)明確器皿內(nèi)空罐或料位剛好遮蓋罐底的事情狀況下施行定位調(diào)試，料位較少的事情狀況下也可施行定位調(diào)試；可經(jīng)過虛假回波儲(chǔ)存，對(duì)雷達(dá)物位計(jì)回波信號(hào)施行優(yōu)化。 </p> <p> 3、將雷達(dá)料位計(jì)法蘭標(biāo)記轉(zhuǎn)動(dòng)一個(gè)孔位，或?qū)⒙萁z扣轉(zhuǎn)動(dòng)1/8圈，注意回振幅度，接著旋轉(zhuǎn)法蘭或螺絲扣，一直到轉(zhuǎn)動(dòng)一圈截止，在回波信號(hào)比較好位置定位。 </p> <p> 2、在雷達(dá)料位計(jì)比較好位置固定好法蘭或擰緊螺絲扣，若有不可缺少，改易嚴(yán)密封閉圈。江西高溫PFA仿結(jié)晶雷達(dá)料位計(jì)批發(fā)價(jià)格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2813855.html</p></div></div></div></div></div><div id="m7nnkme" class="page-right twoColRt"><div id="xboq33u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7ewyzg2" class="recomPic likePro"><a 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