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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qacebnk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365195693359/6506869.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7vszr2z" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>lcr檢測儀,lcr</p><p><span>***更新：</span>2020-09-13 15:06:32</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="b7um3d2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市展榮新精密電子有限公司</a></p><p><span>聯(lián)系人：</span>喻孟峨</p><p><span>郵箱: </span>113527410@qq.com</p><p><span>電話: </span>15012892536</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0755-27923475</p><p><span>地址: </span>航城街道黃田社區(qū)崗貝工業(yè)區(qū)綜合樓10棟401</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="tsfxur3" class="page-proshow02"><p class="title">詳細說明</p><div id="dg2mdk2" class="box"><p><p style="text-indent:25px">用LCR測試儀來測量零部件的參數(shù)時，其關(guān)鍵問題在于測量誤差。首先是LCR測試儀本身的內(nèi)部誤差，還存在各種各樣的原因，而與試樣的連接所引起的誤差，就是其中之一。由于LCR測試儀的型號不同，可能的連接方法也會有區(qū)別，每種連接方法的各自特點。一般來說，連接方法越麻煩，越能準確地進行測量。二端子法:雖然連接容易，但是由于接觸電阻，lcr檢測儀、連接電纜的串聯(lián)阻抗（r）、連接電纜以及端子之間的雜散電容（Cs）會引起較大的誤差，lcr檢測儀，lcr檢測儀，如果不是中等數(shù)量級的阻抗，那么測量誤差就會比較大。三端子法:對測試電纜和試樣進行屏蔽，通過抑制雜散電容，減少對于高阻抗零部件的測量誤差。主要可用于測量較小的電容量。深圳市展榮新精密電子有限公司代理國內(nèi)外**品牌的測量儀表。lcr檢測儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="lcr檢測儀,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365195693359/6506869.png"></div><p style="text-indent:25px">數(shù)字電橋可用于計量測試部門對阻抗量具的檢定與傳遞，以及在一般部門中對阻抗元件的常規(guī)測量。很多數(shù)字電橋帶有標準接口，可根據(jù)被測值的準確度對被測元件進行自動分檔；也可直接連接到自動測試系統(tǒng)，用于元件生產(chǎn)線上對產(chǎn)品自動檢驗，以實現(xiàn)生產(chǎn)過程的質(zhì)量控制。80年代中期，通用的誤差低于0.1%的數(shù)字電橋有幾十種。數(shù)字電橋正向著更高準確度、更多功能、高速、集成化以及智能化程度方面發(fā)展。深圳市展榮新精密電子有限公司現(xiàn)有的主要產(chǎn)品—電子變壓器綜合測試系統(tǒng)、精密LCR數(shù)字電橋和直流微電阻表等，并代理國內(nèi)外**品牌的測量儀表。成都lcr電橋維修需要購買精密LCR數(shù)字電橋聯(lián)系深圳市展榮新精密電子有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="lcr檢測儀,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365175302734/4158537.png"></div><p style="text-indent:25px">LCR測試儀測試原理：Vx與Vr均是矢量電壓表，Rr是理想電阻。LCR測試儀自平衡電橋的意思是：當DUT(Device Under Test)接入電路時，放大器的負反饋配置自動使得OP輸入端虛地。Vx準確測定DUT兩端電壓（DUT的Low電位是0），Vr與Rr測得DUT電流Ix，由此可計算Zx。LCR測試儀提高精度的方法是: 1,Hp,Lp,Hc,Lc盡量接近DUT; 2,減小測試電流Ix的回路面積&磁通量（關(guān)鍵是分析Ix，要配合使用Guard與Cable*小化回路面積);3,使用Gurard與Cable構(gòu)建地平面中斷信號線間的電場連接，雖然會增加信號線的對地電容（對地電容不影響測試結(jié)果），但是會減少信號線的互容。Guard與Cable的對地寄生阻抗（Zhg,Zlg) 不影響測試結(jié)果，電橋平衡時Zlg的兩端電壓是0，流向Rr的電流不會被Zlg分流，Zhg的分流作用不影響Hp的電壓測量。</p><p style="text-indent:25px">LCR電橋測試信號檢測：施加于被測件的電平是十分重要的。實際施加于被測件上的電平（電壓或電流）與儀器信號源阻抗有關(guān)，雖然儀器電平相同，若信號源阻抗不同，實際施加于被測件上的電平就不同。自動電平控制對某些與信號電平相關(guān)性強的器件，保持施加恒定的測試信號電平（電壓或電流）是非常重要的。TH2818、TH2819、TH2828/A/S 具備了電平的自動控制功能，這對相關(guān)性強的元件的測量是極為有用的。信號源輸出阻抗：傳統(tǒng)LCR電橋的信號源阻抗隨著量程的變化而變化的，這樣，不同的元件測量時的實際電平變化極大，這對某些器件的測量是不合理的。一般地，lcr儀器定價是根據(jù)頻率準確度、性能等要素綜合確定的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="lcr檢測儀,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365144716797/7571794.png"></div><p style="text-indent:25px">LCR電橋使用中注意讀數(shù)及測量條件顯示:1.儀器的6位顯示不一定全部是有效顯示，在某些測量中測量數(shù)據(jù)的未尾值可能跳動較大，應(yīng)舍去這些跳動數(shù)值，讀取其穩(wěn)定值。2.一般使用自動量程進行測量，以保證選擇到正確的量程，操作到手動方式可以觀察實際工作量程。應(yīng)用于同批同種測量元件的批量測試時，可以選擇量程鎖定模式工作。3.串--并聯(lián)指示:雖然電橋具有顯示串聯(lián)或并聯(lián)等效值的選擇性，但在不利的Q值情況下，用上述兩種方式均不可能獲得基本準確度。當需要改動某一顯示方式以便提高基本準確度時，電橋通過下標s表示串聯(lián)，下標p表示并聯(lián)。4.頻率提示:200μF～2000μF的電容，200H～2000H的電感，測量頻率在100Hz只能獲得基本準確度。同樣，200pF～2nF的電容和200μH～2mH的電感，只有在1KHz測量頻率上才能獲得基本準確度，因此獲得極好測試性能，應(yīng)選擇更合適的測試頻率。LCR數(shù)字電橋是電子元器件設(shè)計、檢驗、質(zhì)量控制和生產(chǎn)測試強有力的工具。lcr檢測儀</p><p style="text-indent:25px">通過本文的介紹，相信大家對于LCR數(shù)字電橋有了一定的了解。lcr檢測儀</p><p style="text-indent:25px">LCR電橋中L：電感（為了紀念物理學(xué)家Heinrich Lenz），C：電容(Capacitor)，R：電阻(Resistance)，LCR數(shù)字電橋就是能夠測量電感，電容，電阻，阻抗的儀器，這是一個傳統(tǒng)習(xí)慣的說法，較早的阻抗測量用的是真正的電橋方法，隨著現(xiàn)代模擬和數(shù)字技術(shù)的發(fā)展，早已經(jīng)淘汰了這種測量方法，但LCR電橋的叫法一直沿用至今。如果是使用了微處理器的LCR電橋則叫LCR數(shù)字電橋。一般用戶又稱這些為：LCR測試儀、LCR電橋、LCR表、數(shù)字電橋、LCR Meter等等。圳市展榮新精密電子有限公司，專業(yè)從事電子變壓器、電感線圈、電容電阻等各類元器件測試儀之自主研發(fā)、制造和銷售?，F(xiàn)有的主要產(chǎn)品—電子變壓器綜合測試系統(tǒng)、精密LCR數(shù)字電橋和直流微電阻表等，并代理國內(nèi)外**品牌的測量儀表。lcr檢測儀</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司是一家一般經(jīng)營項目是：經(jīng)營電子商務(wù)，國內(nèi)貿(mào)易，經(jīng)營進出口業(yè)務(wù)（以上法律、行政法規(guī)決定規(guī)定在登記前須經(jīng)批準的項目除外，限制的項目須取得許可后方可經(jīng)營）。許可經(jīng)營項目是：變壓器檢測儀表的開發(fā)及生產(chǎn)、變壓器綜合測試儀的開發(fā)及生產(chǎn)、線材測試儀的開發(fā)及生產(chǎn)、儀器儀表的開發(fā)及生產(chǎn)、銷售。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。展榮新精密電子深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的變壓器電感平衡測試儀，變壓器綜合測試儀，高壓測試儀19053，展榮新（臺儀達）系列產(chǎn)品。展榮新精密電子繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。展榮新精密電子始終關(guān)注儀器儀表行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1269014.html</p></div></div></div></div></div><div id="l7kxzgd" class="page-right twoColRt"><div id="8yq8jgt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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