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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_gxyq/">光學(xué)儀器</a>?<a href="http://www.cdcfah.com/cp/third-gxyq_qtgxyq/">其他光學(xué)儀器</a>?蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦蘇州千宇光學(xué)科技供應(yīng)</p><div id="r4ubs8r" class="leftbox clearfix"><h1>蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦蘇州千宇光學(xué)科技供應(yīng)</h1><div id="m4zgn3c" class="proBig"><div id="2877d8k" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637261137575195313/3757200.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ebnzg8x" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637261137575195313/3757200.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ixe87ga" 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>蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦,透射吸收比測(cè)試系統(tǒng)</p><p><span>***更新：</span>2021-01-27 14:05:09</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="s7klhq9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州千宇光學(xué)科技有限公司</a></p><p><span>聯(lián)系人：</span>密先生</p><p><span>郵箱: </span>cimi@oec-tech.com</p><p><span>電話: </span>18662198664</p><p><span>傳真: </span>0512_69388290</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0512-69388290</p><p><span>地址: </span>蘇州工業(yè)園區(qū)東旺路8號(hào)7B-302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="iza3gkt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="shovrdh" class="box"><p><p> SAR測(cè)試是指當(dāng)您使用無(wú)線產(chǎn)品時(shí)，它會(huì)發(fā)出無(wú)線電波。當(dāng)設(shè)備靠近身體放置時(shí)，一些能量被用戶(hù)吸收，這經(jīng)常發(fā)生。您將電子設(shè)備放在耳朵附近，戴在手腕上的可穿戴設(shè)備或靠近腿部的筆記本電腦等。我們對(duì)該設(shè)備進(jìn)行測(cè)試，以幫助確保**終用戶(hù)免受電磁輻射，或者換句話說(shuō)，蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦，無(wú)線設(shè)備的通信方式。 </p> <p> <p> 他有不同程度的輻射。有些像電離輻射一樣會(huì)對(duì)身體產(chǎn)生令人討厭的影響，蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦。我們正在測(cè)試的類(lèi)型稱(chēng)為射頻輻射（RF輻射）。它與微波爐中使用的能量相同，蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦，但功率較低。 </p> 搖表產(chǎn)生的直流電壓與泄漏電流之比為絕緣電阻，用搖表檢查絕緣材料是否合格的試驗(yàn)叫絕緣電阻試驗(yàn)。蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦,透射吸收比測(cè)試系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637261137575195313/3757200.png"></div><p> 測(cè)量變壓器絕緣 </p> <p> 1.新安裝或檢修后及停運(yùn)半個(gè)月以上的變壓器，投入運(yùn)行前，均應(yīng)測(cè)定線圈的絕緣電阻。測(cè)量變壓器絕緣電阻時(shí)，對(duì)線圈運(yùn)行電壓在 500 伏以上者應(yīng)使用 1000 -- 5000V搖表，500 伏以下者應(yīng)使用 500 伏搖表。 </p> <p> 2.變壓器絕緣狀況的好壞按以下要求判定： </p> <p> (1) 在變壓器使用時(shí)所測(cè)得絕緣電阻值與變壓器在安裝或大修干燥后投入運(yùn)行前測(cè)得的數(shù)值之比，不得低于50%。 </p> <p> (2) 吸收比R60"/R15"不得小于 1.3 倍。 </p> <p> 如若產(chǎn)品符合上述條件,則認(rèn)為變壓器絕緣合格。江蘇銷(xiāo)售透射吸收比測(cè)試系統(tǒng)光在完美的平整表面上的反射是鏡面反射。光在毛糙表面上的反射是漫反射。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦,透射吸收比測(cè)試系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637261138200039063/3712956.png"></div>測(cè)量絕緣時(shí)仍需要注意以下幾項(xiàng)： <p> 1.搖表未停止轉(zhuǎn)動(dòng)之前或被測(cè)設(shè)備未放電之前，嚴(yán)禁用手觸及。拆線時(shí)，也不要觸及引線的金屬部分。 </p> <p> 2.測(cè)量電容性設(shè)備的絕緣電阻時(shí)，測(cè)量完畢，應(yīng)對(duì)設(shè)備充分放電。（將測(cè)量時(shí)使用的地線從搖表上取下來(lái)與被測(cè)設(shè)備短接一下）。 </p> <p> 3.測(cè)量絕緣時(shí)，被測(cè)設(shè)備工作票應(yīng)收回，被測(cè)設(shè)備上禁止一切工作，人員全部撤離。 </p> <p> 4. 禁止在雷電時(shí)或高壓設(shè)備附近測(cè)絕緣電阻，只能在設(shè)備不帶電，也沒(méi)有感應(yīng)電的情況下測(cè)量。 </p> <p> 5. 測(cè)試完先拆線，后停止搖動(dòng)搖表。（以防止容性電氣設(shè)備向搖表反充電導(dǎo)致?lián)u表?yè)p壞）。 </p> <p> 6.測(cè)試絕緣由兩人進(jìn)行，一人操作，一人監(jiān)護(hù)，操作人穿絕緣靴戴絕緣手套。 </p> <p> 7.新安裝的設(shè)備，檢修后設(shè)備，停運(yùn)時(shí)間較長(zhǎng)（視各單位規(guī)定的時(shí)間為準(zhǔn)）、發(fā)生短路、接地***的設(shè)備投運(yùn)前需要測(cè)試絕緣。 </p><p> 測(cè)量絕緣時(shí)的注意事項(xiàng) </p> <p> 因兆歐表本身工作時(shí)產(chǎn)生高壓電，為避免人身及設(shè)備***必須重視以下幾點(diǎn)： </p> <p> 1.不能在設(shè)備帶電的情況下測(cè)量其絕緣電阻。測(cè)量前被測(cè)設(shè)備必須切斷電源和負(fù)載，并進(jìn)行放電；被測(cè)設(shè)備與電源應(yīng)有明顯斷開(kāi)點(diǎn)，二次測(cè)得保險(xiǎn)、空開(kāi)應(yīng)斷開(kāi)，已用兆歐表測(cè)量過(guò)的設(shè)備如要再次測(cè)量，也必須先接地放電。 </p> <p> 2.兆歐表測(cè)量時(shí)要遠(yuǎn)離大電流導(dǎo)體和外磁場(chǎng)，測(cè)試人員須注意與帶電設(shè)備的安全距離。 </p> <p> 3.與被測(cè)設(shè)備的連接導(dǎo)線應(yīng)用兆歐表**測(cè)量線或選用絕緣強(qiáng)度高的兩根單芯多股軟線，兩根導(dǎo)線切忌絞在一起，也不能隨意堆放在地上，以免影響測(cè)量準(zhǔn)確度。 </p> <p> 4.測(cè)量過(guò)程中，如果指針指向“0”位，表示被測(cè)設(shè)備短路，應(yīng)立即停止轉(zhuǎn)動(dòng)手柄。 </p> <p> <br /> 透射與反射的情況相似，對(duì)完美平整樣品和粗糙樣品的透射光譜測(cè)量方式是不同的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦,透射吸收比測(cè)試系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637261137622451172/3977954.png"></div><p> 絕緣測(cè)試：電動(dòng)機(jī)或其他電氣設(shè)備停用或備用時(shí)間較長(zhǎng)時(shí)，由于受潮或有大量積灰，影響電氣設(shè)備的絕緣；長(zhǎng)期使用的電氣設(shè)備，絕緣也有可能老化，端線松弛。測(cè)量電氣設(shè)備的絕緣就能發(fā)現(xiàn)這些問(wèn)題，以便及時(shí)采取措施，不影響電氣設(shè)備的運(yùn)行或切換使用。 </p> <p> 注：受潮怎么影響絕緣？當(dāng)被測(cè)電氣設(shè)備表面吸潮或瓷絕緣表面形成水膜會(huì)使泄漏電流增加使絕緣電阻***降低而影響絕緣。 </p> <p> 絕緣電阻的測(cè)試工具 </p> <p> 搖表也稱(chēng)兆歐表，主要用于測(cè)量電氣設(shè)備的絕緣電阻。它是由交流發(fā)電機(jī)倍壓整流電路、表頭等部件組成。搖表?yè)u動(dòng)時(shí)，產(chǎn)生直流電壓。當(dāng)絕緣材料加上一定電壓后，絕緣材料中就會(huì)流過(guò)極其微弱的電流，這個(gè)電流由三部分組成，即電容電流、吸收電流和泄漏電流。搖表產(chǎn)生的直流電壓與泄漏電流之比為絕緣電阻，用搖表檢查絕緣材料是否合格的試驗(yàn)叫絕緣電阻試驗(yàn)，它能發(fā)現(xiàn)絕緣材料是否受潮、損傷、老化，從而發(fā)現(xiàn)設(shè)備缺點(diǎn)。需要根據(jù)用戶(hù)的實(shí)際需求，選擇合適的光譜范圍。蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦</p><p style="text-indent:25px">兆歐表的額定電壓應(yīng)根據(jù)被測(cè)電氣設(shè)備的額定電壓來(lái)選擇。蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司成立于2019年，坐落于蘇州工業(yè)園區(qū)，公司主要的經(jīng)營(yíng)范圍為光電材料、電子科技、軟件科技領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢(xún)、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓;光電產(chǎn)品、半導(dǎo)體材料、儀器儀表、自動(dòng)化設(shè)備、計(jì)算機(jī)設(shè)備、辦公設(shè)備、電動(dòng)工具等;貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。致力于光學(xué)儀器科技事業(yè)，我們以科技為先導(dǎo)，集各家所長(zhǎng)，打造自己的形象。開(kāi)發(fā)新產(chǎn)品，采用新工藝為手段，充分發(fā)揮專(zhuān)業(yè)優(yōu)勢(shì)，愿與海內(nèi)外同仁進(jìn)行***的交流合作，熱情歡迎國(guó)內(nèi)外人士洽談業(yè)務(wù)。我們將秉承不斷自我完善，以新科技、高標(biāo)準(zhǔn)、高質(zhì)量來(lái)嚴(yán)格管理公司。蘇州透射吸收比測(cè)試系統(tǒng)擇優(yōu)推薦</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3036890.html</p></div></div></div></div></div><div id="gvhykw7" class="page-right twoColRt"><div id="zd8jah9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="odp37i3" class="recomPic likePro"><a 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