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href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dgyqybwr/">電工儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-dgyqybwr_dianqiaojj/">電橋</a>?江西電橋lcr 誠信經(jīng)營展榮新精密電子供應(yīng)</p><div id="jcykbdp" class="leftbox clearfix"><h1>江西電橋lcr 誠信經(jīng)營展榮新精密電子供應(yīng)</h1><div id="wkgrttp" class="proBig"><div id="jxypbhd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365175302734/4158537.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vtugctk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365175302734/4158537.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="emsu82n" 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>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>江西電橋lcr,lcr</p><p><span>***更新：</span>2020-09-07 15:08:14</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="wk82tgx" 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="8e7zgmi" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kyciopb" class="box"><p><p style="text-indent:25px">LCR數(shù)字電橋采用微處理技術(shù)取得突破,LCR數(shù)字電橋具有強(qiáng)大的測試功能和優(yōu)越的測量性能結(jié)合可提供穩(wěn)定的5位測試分辨率,50Hz-100kHz/200kHz的頻率范圍、0.1V0.3V1V可編程信號電平、高達(dá)12次/秒的測量速度，江西電橋lcr、5級量程、恒定的30Ω或100Ω源內(nèi)阻及靈活人性的操作方式,滿足了多方面的需求.對各種電子元件檢驗(yàn)起到重要的作用.LCR數(shù)字電橋采用微處理技術(shù)取得突破.取消傳統(tǒng)機(jī)械電源開關(guān),采用軟件控制電源開關(guān).0.05%的基本精度和良好的測試穩(wěn)定性可與**機(jī)型媲美.可通過儀器的校準(zhǔn)功能將存在于測試端上的雜散電抗和引線電阻進(jìn)行清"0".儀器提供有通用測量夾具和五端測試電纜各一付以供用戶選擇，江西電橋lcr，江西電橋lcr.可適用于任何環(huán)境工作,儀器及測試線應(yīng)遠(yuǎn)離強(qiáng)電磁場,以免影響正常測量.LCR數(shù)字電橋的測量速度比較的快,測量出來的精確度比較的高。江西電橋lcr</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西電橋lcr,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365175302734/4158537.png"></div><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、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,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.中山lcr電橋價(jià)格LCR數(shù)字電橋的測試電平以測試正弦波信號的有效值進(jìn)行設(shè)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西電橋lcr,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284365369960938/3327631.png"></div><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。</p><p style="text-indent:25px">對于LCR數(shù)字電橋的使用來說，正確的選擇所需要的電阻頻率很重要。我們需要知道幾個選擇的規(guī)則。電容小于2nF，選擇，選擇串聯(lián)1KHz，選用高的測試信號可提高測試精度，同樣能量測大于1000μF以上電容。電感小于2mH，用串聯(lián)1KHz，選擇高測試頻率可提高測試精度。電感大于200H，并聯(lián)，120Hz，選擇低測試頻率可提高測試精度。電阻大于等于 1K Ω，選擇并聯(lián)120Hz(100Hz)，選擇低頻減少交流影響，選擇“并聯(lián)”，是因?yàn)榱繙y過程中出現(xiàn)電抗部份，等效為被測件并聯(lián)一個電容呈現(xiàn)的高電抗，用并聯(lián)模式減小這種影響，如果Q＜0.1，已存在小電容影響。LCR數(shù)字電橋測試速度主要由積分時間，平均次數(shù)，測量延時，測量結(jié)果顯示時間這些因素決定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西電橋lcr,lcr" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284364641103516/5916712.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(jìn)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(shí)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(zhǔn)確度。當(dāng)需要改動某一顯示方式以便提高基本準(zhǔn)確度時，電橋通過下標(biāo)s表示串聯(lián)，下標(biāo)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(zhǔn)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(zhǔn)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)字電橋使用內(nèi)部/外部直流偏置，結(jié)合各種掃描測試功能，可以精確地分析磁性材料、電感器件的性能。江西電橋lcr</p><p style="text-indent:25px">測量LCR數(shù)字電橋準(zhǔn)確度是反映儀器性能的主要指標(biāo)之一。江西電橋lcr</p><p style="text-indent:25px">為什么同一個電感在不同廠家的LCR儀器上用相同測試條件,電感測試數(shù)據(jù)會有很大差別？因?yàn)榻^大多數(shù)電感都帶有鐵芯磁芯，而帶有鐵芯磁芯的電感對其施加的磁場非常敏感，磁場與測試信號電流成正比，因此相同電平若內(nèi)阻不同，電流就會不一樣，則結(jié)果有很大差別。這是客戶電感測試時遇到的普遍問題。再有就是判定儀器測試電感的一致性原則應(yīng)該是施加與被測件上的電流要一致，這其中有一個特例，就是空心電感與磁場不敏感的。如果還有什么好的補(bǔ)充回答歡迎大家來補(bǔ)充。江西電橋lcr</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，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。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(dá)）系列產(chǎn)品。展榮新精密電子始終以本分踏實(shí)的精神和必勝的信念，影響并帶動團(tuán)隊(duì)取得成功。展榮新精密電子始終關(guān)注儀器儀表市場，以敏銳的市場洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1194540.html</p></div></div></div></div></div><div id="xgugitp" class="page-right twoColRt"><div id="udz7niu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cvciojq" 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="gulbmcx" class="recomPic likePro"><a 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