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src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365369960938/3327631.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gh2p0xk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365369960938/3327631.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fbjh3qp" 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電橋價格,lcr</p><p><span>***更新：</span>2020-11-17 08:15:20</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="u3ayfu8" 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(jī): </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(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="1scm65s" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="q1mual3" class="box"><p><p style="text-indent:25px">LCR數(shù)字電橋測試速度100Hz(約4次/秒)與120Hz(約5次/秒)快中慢速度都一樣,*當(dāng)測試頻率為1kHz以上時:快速約16次/秒;中速約9次/秒;慢速約5次/秒.為得到實(shí)際的測量速度,應(yīng)該規(guī)定具體的測量條件,因?yàn)闇y試頻率、速度、元件值的大小、分選方式，lcr電橋價格、顯示方式、測試方式、量程方式等均會影響測量速度.長期不用,請用原始包裝或先包密封塑料袋再用紙箱包裝，lcr電橋價格,儲存在溫度為-10℃~40℃、濕度:≤85%RH的通風(fēng)室內(nèi).若被測件為電容器時,盡管儀器具有專門的抗沖擊電路,通過將被測電容與信號源測試部分相隔離和吸收回路,使得由于電容器的破壞性大幅降低.但從LCR數(shù)字電橋的可靠性和安全性角度來講,應(yīng)先將被測電容器的余電放干凈,再進(jìn)行測試，lcr電橋價格.在操作LCR數(shù)字電橋時，應(yīng)在技術(shù)指標(biāo)規(guī)定的環(huán)境中工作。lcr電橋價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="lcr電橋價格,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365369960938/3327631.png"></div><p style="text-indent:25px">在振動式料位開關(guān)研發(fā)中，一般通過LCR數(shù)字電橋來準(zhǔn)確測量壓電陶瓷的電容值。通常壓電陶瓷的電容值會受擠壓影響而變化，為減少測量誤差，應(yīng)設(shè)計一個壓電陶瓷夾具（如上圖所示），然后用電橋電纜兩個夾子夾住自制夾具的兩個電極，將壓電陶瓷放入夾具的兩個銅片中來測量。壓電陶瓷的靜態(tài)電容測量中，測量結(jié)果還與測量環(huán)境密切相關(guān)，特別是環(huán)境濕度和空氣流動，這導(dǎo)致儀表顯示結(jié)果往往極不穩(wěn)定，電橋顯示的電容值處于變化跳動狀態(tài)，隨后數(shù)值跳動頻率變小，直到數(shù)值變化很緩，且數(shù)值時大時小變化。四川手持lcr電橋系統(tǒng)在使用LCR數(shù)字電橋時需要注意環(huán)境的濕度與溫度的把握。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="lcr電橋價格,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365423486328/8319665.png"></div><p style="text-indent:25px">試舉一例來加以說明即使在產(chǎn)品樣本上給定基本準(zhǔn)確度相同，實(shí)際是有很大區(qū)別的，我們以TH2818、TH2828 兩款產(chǎn)品加以說明。TH2818：頻率20Hz—300KHz，基本準(zhǔn)確度0.05%。TH2828：頻率20Hz—1MHz，基本準(zhǔn)確度0.05%假定儀器測試條件均為慢速、電平1Vrms、溫度20oC，對100pF、10nF 電容器進(jìn)行測試，評估其在不同頻率下的測量準(zhǔn)確度，比如說容量均為100pF，型號2818頻率100Hz的測試值為4.06，型號2828頻率100Hz的測試值為0.3。所以實(shí)驗(yàn)表明即便是相同基本準(zhǔn)確度的儀器，在不同量值被測件和不同頻率下其準(zhǔn)確度是有很大區(qū)別的。</p><p style="text-indent:25px">隨著現(xiàn)代模擬和數(shù)字技術(shù)的發(fā)展，特別是高速運(yùn)放，微處理器技術(shù)的發(fā)展，現(xiàn)代阻抗測量大都使用自動平衡電橋法。首先由信號源發(fā)生一個一定頻率和幅度的正弦交流信號，這個信號加到被測件DUT上產(chǎn)生電流流到虛地“0V”，由于運(yùn)放輸入電流為零，所以流過DUT的電流完全流過Rr，根據(jù)歐姆定律DUT的阻抗：Z = V1*Rr/V2。因?yàn)檫\(yùn)算放大器虛地功能的引入，使這種測量方法的精度和抗干擾能力產(chǎn)生了質(zhì)的飛躍。當(dāng)然，以上只是一個比較抽象化的原理模型，真正的產(chǎn)品要復(fù)雜的多。如果想了解LCR數(shù)字電橋廠家，請跟深圳市展榮新精密電子有限公司聯(lián)系！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="lcr電橋價格,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365556523438/6064664.png"></div><p style="text-indent:25px">輸出阻抗不同對測試結(jié)果有什么影響，為什么有的儀器有30Ω”和100Ω的內(nèi)阻選擇？儀器輸出阻抗不同導(dǎo)致被測器件上信號不同,就會導(dǎo)致顯示參數(shù)的不同。測試時信號其實(shí)是被測件與儀器內(nèi)阻(輸出阻抗)串聯(lián)在一起，會對信號產(chǎn)生分壓作用。因此低阻抗測試實(shí)際加到器件上的電平小于設(shè)定電平。早先的電橋內(nèi)阻是量程自動變化的，目前深圳市展榮新精密電子有限公司LCR內(nèi)阻一旦選定就不變化?，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。目前大多的工廠、各種實(shí)驗(yàn)室都會大量的使用到電橋，電橋的品種、型號繁多。lcr電橋價格</p><p style="text-indent:25px">精度高、量程寬、速度快、穩(wěn)定性好是LCR電橋的特點(diǎn)。lcr電橋價格</p><p style="text-indent:25px">LCR數(shù)字電橋其多種輸出阻抗模式可以適應(yīng)各個電感變壓器廠家的不同標(biāo)準(zhǔn)需求.LCR數(shù)字電橋量程自動功能就是儀器每次測量都會根據(jù)測試端被測件的阻抗大小去尋找對應(yīng)的量程.這主要應(yīng)用于被測件阻抗未知的情形.LCR數(shù)字電橋在使用時所有元件測試儀器設(shè)計的時候雖然都做了抗沖擊保護(hù)設(shè)計,但是測試電容前還是要保證電容不帶電,這樣可以保證儀器穩(wěn)定的準(zhǔn)確測試和較長的使用壽命.要保持被測試產(chǎn)品引腳表面導(dǎo)電性能良好好,才能保證測試結(jié)果準(zhǔn)確一致性好.lcr電橋價格</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司致力于儀器儀表，是一家生產(chǎn)型公司。公司業(yè)務(wù)分為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(dá)）系列產(chǎn)品等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2027531.html</p></div></div></div></div></div><div id="vhty5ga" class="page-right twoColRt"><div id="rm31leb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="05xdblu" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="g7bvmhs" 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