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</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="h7tuw9h" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="i3yamqm" class="box"><p><p> 射頻導(dǎo)納物位開關(guān)關(guān)于射頻導(dǎo)納的原理 </p> <p> 射頻導(dǎo)納的原理是通過探頭感知其與儲(chǔ)罐體間電抗（容抗和阻抗）的變化實(shí)現(xiàn)物位測(cè)量和控制的。其內(nèi)部電子單元，由探頭測(cè)量極與空載罐體間的電抗共同構(gòu)成平衡電橋電路并產(chǎn)生一個(gè)穩(wěn)定振蕩信號(hào)，當(dāng)被測(cè)介質(zhì)覆蓋探頭測(cè)量極時(shí)，會(huì)引起探頭測(cè)量極與罐體間的電抗變化導(dǎo)致電橋電路不平衡而停止產(chǎn)生振蕩信號(hào)，后級(jí)電路檢測(cè)到這一變化從而輸出報(bào)警信號(hào)。 </p> <p> 該振蕩信號(hào)作為射頻信號(hào)施加在探頭測(cè)量極的同時(shí)，還經(jīng)過1:1的電壓跟隨器后送往探頭的保護(hù)極，測(cè)量極與保護(hù)極的射頻信號(hào)具有等電位，綿陽射頻導(dǎo)納物位開關(guān)，綿陽射頻導(dǎo)納物位開關(guān)、同相位、同頻率又互相隔離。當(dāng)探頭有掛料時(shí)，綿陽射頻導(dǎo)納物位開關(guān)，測(cè)量極與保護(hù)極之間因?yàn)闆]有電勢(shì)差而形成電氣隔離確保保護(hù)極的信號(hào)變化不影響檢測(cè)，使探頭測(cè)量極上電抗的變化只能由探頭測(cè)量極與罐體間的物料決定，從而使探頭上的掛料不會(huì)影響正常檢測(cè)。綿陽射頻導(dǎo)納物位開關(guān)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綿陽射頻導(dǎo)納物位開關(guān),射頻導(dǎo)納物位開關(guān)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110755932587891/2682102.jpg"></div><p> 射頻導(dǎo)納物位開關(guān)產(chǎn)品特點(diǎn)編輯 </p> <p> 1，可測(cè)量液位及料位，可滿足不同溫度、壓力、介質(zhì)的測(cè)量要求。 </p> <p> 2，不受傳感器掛料影響，無需定期清潔，避免誤測(cè)量。 </p> <p> 3，測(cè)量過程無可動(dòng)部件，不存在機(jī)械部件損壞問題。 </p> <p> 4，無需維護(hù)，智能免調(diào)。 </p> <p> 5，接觸式測(cè)量，抗干擾能力強(qiáng)，可克服蒸汽、泡沫及攪拌對(duì)測(cè)量的影響。。 </p> <p> 6，測(cè)量量多樣化，使測(cè)量更加準(zhǔn)確，測(cè)量不受環(huán)境變化影響，穩(wěn)定性高。 </p> <p> 產(chǎn)品性能可靠，使用壽命長(zhǎng)。 </p> <p> <br /> </p> <p> 外形結(jié)構(gòu)編輯 </p> <p> ·電子部件外殼A型：塑料PBTP </p> <p> ·電子部件外殼B型：壓鑄鋁 </p> <p> ·傳感器探頭B型：不銹鋼加長(zhǎng)桿式 **長(zhǎng)3M，**短0.4M </p> <p> ·傳感器探頭C型：鋼纜式 **長(zhǎng)35M，**短0.5M </p> <p> ·保護(hù)電極探頭：標(biāo)準(zhǔn)100mm或300mm 內(nèi)江射頻導(dǎo)納物位開關(guān)報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綿陽射頻導(dǎo)納物位開關(guān),射頻導(dǎo)納物位開關(guān)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110755940976563/9911606.jpg"></div><p> 射頻導(dǎo)納物位開關(guān)的靈感度調(diào)試 </p> <p> 射頻導(dǎo)納物位開關(guān)即射頻導(dǎo)納物位計(jì)，射頻導(dǎo)納物位計(jì)的電位器W1為靈敏度調(diào)節(jié)電位器：LED雙色顯示燈在無料狀態(tài)綠燈亮，有料狀態(tài)紅燈亮。儀表通電后，在物位低于設(shè)定值時(shí)綠燈亮，此時(shí)順時(shí)針緩慢調(diào)節(jié)電位器W1至剛好紅燈亮，然后反時(shí)針調(diào)3圈（對(duì)非導(dǎo)電物料0.5～3圈，導(dǎo)電物料5～7圈）且綠燈亮（隨著紅綠燈顯示狀態(tài)的變化輸出繼電器的觸點(diǎn)狀態(tài)也應(yīng)隨之改變）。應(yīng)根據(jù)不同介質(zhì)傳感器的測(cè)量部分被物料覆蓋應(yīng)在75mm左右。 </p><p> RBSPA射頻導(dǎo)納物位控制器采用三端Cote – Shield 技術(shù)，排除探測(cè)極棒上粘附物料對(duì)控制作用的影響。電子線路中產(chǎn)生的高頻信號(hào)，一路直接送往探測(cè)極棒上，另一路經(jīng)過一個(gè)RF電壓跟隨器送往防粘附保護(hù)套上。其大小相位都是與加在探測(cè)極棒上的信號(hào)相同。當(dāng)有物料粘附在探頭上時(shí)，由于保護(hù)套與倉(cāng)壁之間構(gòu)成一個(gè)電容，所以加在保護(hù)套上的高頻信號(hào)就會(huì)使該電容趨向飽和，以致探頭上的高頻信號(hào)就無法通過粘附層流入容器壁，當(dāng)容器內(nèi)大量物料接觸探頭時(shí)，探頭上的電流繞過飽和區(qū)流向容器壁，從而產(chǎn)生有物料存在的信號(hào)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綿陽射頻導(dǎo)納物位開關(guān),射頻導(dǎo)納物位開關(guān)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637110755941025391/7837117.jpg"></div><p> 射頻導(dǎo)納物位開關(guān)的工作原理 </p> <p> 1.RBSPA射頻導(dǎo)納物位控制器是利用高頻技術(shù)，由電子線路產(chǎn)生一個(gè)小功率射頻信號(hào)于探頭上，探頭作為敏感元件，將來自物位介電常數(shù)引起的信號(hào)變化反饋給電子線路;由于這些變化包括電容量和電導(dǎo)量的變化，因而電子線路中處理的是電抗(容抗和阻抗的綜合變化的信號(hào))信號(hào)。 </p> <p> 2.電抗的變化又引起了極棒上高頻信號(hào)的相位發(fā)生變化。因此極棒上的高頻信號(hào)與電子線路中的基準(zhǔn)信號(hào)的相位差也隨之發(fā)生變化，該變化經(jīng)處理后，驅(qū)動(dòng)輸出電路發(fā)出報(bào)警信號(hào)，從而達(dá)到檢測(cè)料倉(cāng)有無物料。內(nèi)江射頻導(dǎo)納物位開關(guān)報(bào)價(jià)</p><p style="text-indent:25px">綿陽射頻導(dǎo)納物位開關(guān)</p><p> CKY310系列射頻導(dǎo)納物位開關(guān)采用先進(jìn)的射頻導(dǎo)納技術(shù)，克服了電容式物位開關(guān)不能消除導(dǎo)電掛料影響的缺點(diǎn)。儀表運(yùn)行可靠，各項(xiàng)技術(shù)指標(biāo)均達(dá)到國(guó)際同類產(chǎn)品水平，適用于液體、漿體、粉塵、料位以及兩種液體界位的報(bào)警與控制。此外，產(chǎn)品增加了現(xiàn)場(chǎng)工作狀態(tài)指示，是一種性能價(jià)格比極高且相當(dāng)穩(wěn)定可靠的物位開關(guān)。 </p> <p> 結(jié)構(gòu)原理 </p> <p> 物位開關(guān)由傳感器單元和電子單元組成。傳感器單元主要包括三部分：測(cè)量探極、屏蔽極及接地端，物料的高度反映為探極與容器壁間導(dǎo)納的變化，當(dāng)物料到達(dá)開關(guān)工作點(diǎn)時(shí)，電子單元作出反應(yīng)，驅(qū)動(dòng)繼電器動(dòng)作，輸出開關(guān)信號(hào)。屏蔽極可防止由于電極上有掛料而產(chǎn)生誤動(dòng)作信號(hào)，*當(dāng)物料真正達(dá)到設(shè)置點(diǎn)時(shí)，才輸出開關(guān)控制信號(hào)。綿陽射頻導(dǎo)納物位開關(guān)</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，是一家貿(mào)易型的公司。公司業(yè)務(wù)涵蓋耐磨熱電偶，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)等，價(jià)格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。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>文章來源地址: http://m.cdcfah.com/cp/1631015.html</p></div></div></div></div></div><div id="7y3zw5m" class="page-right twoColRt"><div id="c8rjqpb" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7ox2mol" class="recomPic likePro"><a href="http://m.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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="lan9rtv" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img 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