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id="aswusw0" class="proBig"><div id="ajjxhbi" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297083187593/9902194.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="k09wfor" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297083187593/9902194.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iokeiwk" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理,產(chǎn)品環(huán)境可靠性測試</p><p><span>***更新：</span>2021-02-02 06:10:41</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="9egeppu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海中證檢測技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>賴朝忠</p><p><span>郵箱: </span>13402061820@163.com</p><p><span>電話: </span>13402061820</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.atc-tech.com</p><p><span>手機(jī): </span>021-58692399</p><p><span>地址: </span>民風(fēng)路351號1幢3層</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="wmt3cr4" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="1nzwoj3" class="box"><p><p style="text-indent:25px">低氣壓試驗(yàn)試驗(yàn)?zāi)康模嚎己水a(chǎn)品對低氣壓工作環(huán)境(如高空工作環(huán)境)的適應(yīng)能力。當(dāng)氣壓減小時(shí)空氣或絕緣材料的絕緣強(qiáng)度會減弱；易產(chǎn)生電暈放電，淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理、介質(zhì)損耗增加、電離；氣壓減小使散熱條件變差，會使元器件溫度上升。這些因素都會使被試樣品在低氣壓條件下喪失規(guī)定的功能，有時(shí)會產(chǎn)生長久性損傷，淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理。試驗(yàn)條件：被試樣品置于密封室內(nèi)，加規(guī)定的的電壓，從密封室降低氣壓前20min直至試驗(yàn)結(jié)束的一段時(shí)間內(nèi)，要求樣品溫度保持在25+-1.0℃的范圍，淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理。密封室從常壓降低到規(guī)定的氣壓再恢復(fù)到常壓，并監(jiān)視這‘過程中被試樣品能否正常工作，微電路被試樣品所施加電壓的頻率在直流到20MHz的范圍內(nèi)，電壓引出端出現(xiàn)電暈放電被視為失效。試驗(yàn)的低氣壓值是與海拔高度相對應(yīng)的，并分若干檔．如微電路低氣壓試驗(yàn)的A檔氣壓值是58kPa，對應(yīng)高度是4572m，E檔氣壓值是1.1kPa，對應(yīng)高度是30480m等等。產(chǎn)品的可靠性和環(huán)境適應(yīng)性均屬于產(chǎn)品的質(zhì)量特性?；窗伯a(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理,產(chǎn)品環(huán)境可靠性測試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297083187593/9902194.png"></div><p style="text-indent:25px">高溫試驗(yàn)試驗(yàn)?zāi)康模河脕砜己嗽囼?yàn)樣品在高溫條件下貯存或使用的適應(yīng)性。應(yīng)用于比如像熱帶天氣或煉鋼廠等高溫環(huán)境下工作的儀器、設(shè)備等。試驗(yàn)設(shè)備：高低溫（濕熱）試驗(yàn)箱。試驗(yàn)條件：一般選定一恒定的溫度應(yīng)力和保持時(shí)間。推薦常用溫度：200℃，175℃，155℃，125℃，100℃，85℃，70℃，55℃等；推薦常用的試驗(yàn)時(shí)間有：2h，16h，72h，96h等。低溫試驗(yàn)試驗(yàn)?zāi)康模河脕砜己嗽囼?yàn)樣品在低溫條件下貯存或使用的適應(yīng)性。常用于產(chǎn)品在開發(fā)階段的型式試驗(yàn)、元器件的篩選試驗(yàn)等。試驗(yàn)設(shè)備：高低溫（濕熱）試驗(yàn)箱。試驗(yàn)條件：一般選定一恒定的溫度和試驗(yàn)時(shí)間。推薦常用的溫度有：- 65℃，-55℃，-40℃，-25℃，-10℃，-5℃，+5℃等；推薦常用的試驗(yàn)時(shí)間有：2h，16h，72h，96h等。江蘇產(chǎn)品環(huán)境可靠性測試方法高溫試驗(yàn)應(yīng)用于比如像熱帶天氣或煉鋼廠等高溫環(huán)境下工作的儀器、設(shè)備等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理,產(chǎn)品環(huán)境可靠性測試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297123207716/2805429.png"></div><p style="text-indent:25px">電子產(chǎn)品的復(fù)雜程度在不斷增加。人們較早使用的礦石收音機(jī)是非常簡單的，隨之先后出現(xiàn)了各種類型的收音機(jī)、錄音機(jī)、錄放相機(jī)、通訊機(jī)、雷達(dá)、制導(dǎo)系統(tǒng)、電子計(jì)算機(jī)以及宇航控制設(shè)備，復(fù)雜程度不斷地增長。電子產(chǎn)品復(fù)雜程度的明顯標(biāo)志是所需元器件數(shù)量的多少。而電子產(chǎn)品的可靠性決定于所用元器件的可靠性，因?yàn)殡娮赢a(chǎn)品中的任何一個(gè)元器件、任何一個(gè)焊點(diǎn)發(fā)生故障都將導(dǎo)致系統(tǒng)發(fā)生故障。一般說來，電子產(chǎn)品所用的元器件數(shù)量越多，其可靠性問題就越嚴(yán)重，為保證產(chǎn)品或系統(tǒng)能可靠地工作，對元器件可靠性的要求就非常高、非常苛刻。</p><p style="text-indent:25px">壽命試驗(yàn)是研究產(chǎn)品壽命特征的方法，這種方法可在實(shí)驗(yàn)室模擬各種使用條件來進(jìn)行。壽命試驗(yàn)是可靠性試驗(yàn)中較重要較基本的項(xiàng)目之一，它是將產(chǎn)品放在特定的試驗(yàn)條件下考察其失效（損壞）隨時(shí)間變化規(guī)律。通過壽命試驗(yàn)，可以了解產(chǎn)品的壽命特征、失效規(guī)律、失效率、平均壽命以及在壽命試驗(yàn)過程中可能出現(xiàn)的各種失效模式。如結(jié)合失效分析，可進(jìn)一步弄清導(dǎo)致產(chǎn)品失效的主要失效機(jī)理，作為可靠性設(shè)計(jì)、可靠性預(yù)測、改進(jìn)新產(chǎn)品質(zhì)量和確定合理的篩選、例行（批量保證）試驗(yàn)條件等的依據(jù)?？煽啃栽囼?yàn)是按可靠性要求設(shè)計(jì)和進(jìn)行的、有可靠性目標(biāo)并在典型環(huán)境條件下的試驗(yàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理,產(chǎn)品環(huán)境可靠性測試" src="https://tyunfile.71360.com/UploadFile/Shatcc/637394297121059069/4934721.png"></div><p style="text-indent:25px">防塵試驗(yàn)試驗(yàn)?zāi)康模河糜跈z測產(chǎn)品的外殼密封性能，包括位特征數(shù)字為1至6，即防護(hù)等級代碼為IP1X至IP6X。外殼防護(hù)等級標(biāo)準(zhǔn)中規(guī)定的IP5X和IP6X兩個(gè)等級的試驗(yàn)，主要模擬產(chǎn)品在使用、運(yùn)輸、貯存過程中遇到的沙塵環(huán)境，從而檢驗(yàn)其外殼的防護(hù)性能。試驗(yàn)設(shè)備：IP防塵（沙塵）測試箱；試驗(yàn)條件：IP1X-6X。紫外老化試驗(yàn)試驗(yàn)?zāi)康模河媚M并強(qiáng)化對材料老化影響較明顯的紫外光譜。材料老化包括褪色、失光、強(qiáng)度降低、開裂、剝落、粉化和氧化等。試驗(yàn)設(shè)備：紫外線耐候試驗(yàn)箱。振動試驗(yàn)?zāi)M產(chǎn)品在運(yùn)輸、安裝及使用環(huán)境下所遭遇到的各種振動環(huán)境影響。淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理</p><p style="text-indent:25px">快速溫變是規(guī)定了溫度變化速率的溫度變化?；窗伯a(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理</p><p style="text-indent:25px">電子產(chǎn)品的使用環(huán)境日益嚴(yán)酷。從實(shí)驗(yàn)室到野外，從熱帶到寒帶，從陸地到深海，從高空到宇宙空間，經(jīng)受著不同的環(huán)境條件，除溫度、濕度影響外，海水、鹽霧、沖擊、振動、宇宙粒子、各種輻射等對電子元器件的影響，導(dǎo)致產(chǎn)品失效的可能性增大。可靠性已經(jīng)列為產(chǎn)品的重要質(zhì)量指標(biāo)加以考核和檢驗(yàn)。長期以來，人們只用產(chǎn)品的技術(shù)性能指標(biāo)作為衡量電子元器件質(zhì)量好壞的標(biāo)志，這只反映了產(chǎn)品質(zhì)量好壞的一個(gè)方面，還不能反映產(chǎn)品質(zhì)量的全貌。因?yàn)?，如果產(chǎn)品不可靠，即使其技術(shù)性能再好也得不到發(fā)揮。從某種意義上說，可靠性可以綜合反映產(chǎn)品的質(zhì)量。淮安產(chǎn)品環(huán)境可靠性測試收費(fèi)哪家合理</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3122520.html</p></div></div></div></div></div><div id="s9kesz6" class="page-right twoColRt"><div id="2dhtzu1" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qo1ttkt" 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" 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