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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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class="twoCol"><div id="mwtqxb7" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-yiqiyibiao_jdsyb/">基地式儀表</a>?吉林亮度計哪種好歡迎咨詢深圳市茂迪機電設(shè)備供應(yīng)</p><div id="d77gikh" class="leftbox clearfix"><h1>吉林亮度計哪種好歡迎咨詢深圳市茂迪機電設(shè)備供應(yīng)</h1><div id="wv83syq" class="proBig"><div id="pzwt2xy" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339554882812/5886966.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7h89j83" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339554882812/5886966.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="33h2rbn" 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>吉林亮度計哪種好,亮度計</p><p><span>***更新：</span>2020-11-21 06:20:21</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="w2lk3bi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市茂迪機電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強</p><p><span>郵箱: </span>fuqiang.huang@maodi.net</p><p><span>電話: </span>13509625980</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.maodi.net</p><p><span>手機: </span>0755-83280136</p><p><span>地址: </span>深南大道6006號華豐大廈2803、2804</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="8foac8m" class="page-proshow02"><p class="title">詳細說明</p><div id="2t3wipr" class="box"><p><p style="text-indent:25px">視場角是指測量面對瞄準(zhǔn)測量區(qū)域所張的角度，它是瞄點式亮度計較重要的指標(biāo)之一。在一定的測量距離下，視場角越大，被測瞄準(zhǔn)點就越大，測試時應(yīng)選擇與被測目標(biāo)面積相適應(yīng)的視場角，視場角過大或過小都會帶來較大的誤差。亮度計的檢定裝置由亮度測量裝置，吉林亮度計哪種好、發(fā)光強度標(biāo)準(zhǔn)燈組、標(biāo)準(zhǔn)白板、標(biāo)準(zhǔn)色板、透射色板、標(biāo)準(zhǔn)色溫?zé)艉蜆?biāo)準(zhǔn)亮度計，吉林亮度計哪種好、以及帶電測儀的電源等組成, 光度測量裝置包括精密測光導(dǎo)軌、滑車，吉林亮度計哪種好、燈架和燈絲平面調(diào)整儀等,亮度計的檢定裝置由亮度測量裝置、發(fā)光強度標(biāo)準(zhǔn)燈組、標(biāo)準(zhǔn)白板、標(biāo)準(zhǔn)色板、透射色板、標(biāo)準(zhǔn)色溫?zé)艉蜆?biāo)準(zhǔn)亮度計、以及帶電測儀的電源等組成, 光度測量裝置包括精密測光導(dǎo)軌、滑車、燈架和燈絲平面調(diào)整儀等。亮度計，只需測量即可完成對 LED顯示管的紅、綠、藍及白光的顏色和亮度的測量。吉林亮度計哪種好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林亮度計哪種好,亮度計" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339554882812/5886966.png"></div><p style="text-indent:25px">亮度計是評價路面照明質(zhì)量的重要參數(shù)之一，CJJ45-2006標(biāo)準(zhǔn)中路面亮度測試按照國際照明會員會(簡稱CIE)有關(guān)規(guī)定在路面上預(yù)先設(shè)定的點上測得各點亮度的值，并以此為基礎(chǔ)計算路面平均亮度、路面亮度總均勻度、路面亮度縱向均勻度。由于亮度測試過程中對測試的環(huán)境要求比較高，路面行駛的車輛會對LED路燈的路面亮度測試造成較大的影響，因此測試需要封路進行，由于CIE要求路面的測試點布置較多,達到30點。亮度計進行路面亮度相關(guān)性能的測試，并給出了試驗測試結(jié)果。本文的研究為LED路燈的路面亮度測試提出了新的思路，為LED路燈的照明質(zhì)量測試的標(biāo)準(zhǔn)研究提供了試驗數(shù)據(jù)。貴州分布亮度計哪種好亮度計的雜散光由不符合要求的反射、光源以及一些透射材料產(chǎn)生。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林亮度計哪種好,亮度計" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339634423828/292636.png"></div><p style="text-indent:25px">可能受限于房間大小，尤其是亮度計測試墻的寬度，水平方向單次測量的寬度有限，例如6米寬度約±24°，通過轉(zhuǎn)動燈具（3X45°），分別測試，然后進行拼接，可實現(xiàn)大范圍測量。轉(zhuǎn)臺可以采用**的轉(zhuǎn)臺，或現(xiàn)有的25米配光角度計的轉(zhuǎn)臺。亮度計由于采用了暗箱，環(huán)境光造成的雜散光可以不計。該測試暗箱有兩個部分組成。測試空間部分，有一個反射屏以及一個光闌，另外一個空間，放置待測的前燈以及測試用的亮度計。該測試箱體也被用于光學(xué)透鏡的質(zhì)量監(jiān)控。雜散光由不符合要求的反射、光源以及一些透射材料產(chǎn)生，這些現(xiàn)象既產(chǎn)生于圖像系統(tǒng)本身（如鏡片之間的反射），也產(chǎn)生于房間布置的本身。</p><p style="text-indent:25px">亮度計有變檔裝置，因此可以測高照度，也可以測低照度。照度計的種類：亮度計：常用硒光電池照度計和硅光電池照度計。針對不同行業(yè)不同應(yīng)用對象都有不同的專業(yè)分析功能，亮度計，以滿足不同行業(yè)的不同需求。亮度計光亮探頭可選擇3類不同的測定角度，用途普遍。此外，光亮探頭可以與本體分離，因此同樣適合安裝于自動測量系統(tǒng)，并適合生產(chǎn)線使用。便攜式，低價格，多功能。可選擇、更換3種不同的光亮探頭，能自動識別并直接顯示測定結(jié)果。USB內(nèi)置設(shè)計，實現(xiàn)PC通信功能，因此能使用于產(chǎn)線，安裝于自動測量系統(tǒng)。使用鍵盤，可選定補正系數(shù)，偏差測定等功能。亮度計擁有高色度精度及能高速測定，物美價廉。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林亮度計哪種好,亮度計" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339448613281/2771486.png"></div><p style="text-indent:25px">亮度計所有類型的光源都可使用CS-200進行測量，例如信號燈、紅綠燈、機場照明、燈、LED、顯像管、LCD、PDP等幾乎所有發(fā)光的物體。由于信息科技業(yè)務(wù)的發(fā)展促使市場對多樣化媒體的需求漸漸增加，加之?dāng)?shù)字廣播各個方面服務(wù)的展開，以等離子顯示屏和LCD為中心的各種顯示設(shè)備的研發(fā)工作已加快步伐。LED技術(shù)的創(chuàng)新已經(jīng)為LED產(chǎn)品的開發(fā)帶來重大突破，包括紅綠燈、反射LCD的背光及大尺寸戶外顯示屏幕等。亮度計三刺激類型的儀器采用三個傳感器(紅、綠、藍)測量光源，這些傳感器的靈敏度類似于肉眼對光的靈敏度。用于達到此靈敏度的濾波器具有有限的準(zhǔn)確度，因此三刺激儀器無法為所有類型的光源提供精確讀數(shù)。如果采用某種光譜分布(類似于用于校正儀器的光源的光譜分布)測量光源，則可以實現(xiàn)較佳精確度。亮度計主要采用一對有一定距離的光孔接收固定立體角、固定投光面積的光通量。上海分布亮度計校準(zhǔn)</p><p style="text-indent:25px">亮度計高動態(tài)范圍，高速亮度和色度測量，精確測量。吉林亮度計哪種好</p><p style="text-indent:25px">　亮度計主要采用一對有一定距離的光孔接收固定立體角、固定投光面積的光通量，此值不隨物體遠近而變，只要物體的表面積足夠大。為了瞄準(zhǔn)被測物體,常采用成像系統(tǒng)。被測光源經(jīng)物鏡后在帶孔（前光孔）反射鏡上成像，其中一部分經(jīng)反射鏡及目鏡，由人眼接收，以瞄準(zhǔn)和監(jiān)控清晰成像面與帶孔反射鏡重合；另一部分光則經(jīng)過反射鏡上的小孔經(jīng)后光孔到達V(λ)接收信號。亮度值用指針或數(shù)字表頭顯示。隨著 LED行業(yè)的快速發(fā)展，競爭的不斷加劇，LED品質(zhì)受到了前所未有的重視，尤其是在大屏幕顯示、LED照明光源等對顏色要求較高的場合，品質(zhì)控制的難度和重要性均顯得特別突出。吉林亮度計哪種好</p><p style="text-indent:25px">深圳市茂迪機電設(shè)備有限公司致力于儀器儀表，以科技創(chuàng)新實現(xiàn)***管理的追求。茂迪深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的電能質(zhì)量分析儀，功率分析儀，亮度計，色差儀。茂迪繼續(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。茂迪創(chuàng)始人秦學(xué)明，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2081411.html</p></div></div></div></div></div><div id="is2b87b" class="page-right twoColRt"><div id="ispcjv2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="l2b37q3" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="2yh37rl" class="recomPic likePro"><a 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