河北表面亮度計價格多少歡迎咨詢深圳市茂迪機電設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="　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"><meta name="keywords" content="河北表面亮度計價格多少,亮度計"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vqpoy2w" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339566201171/6011077.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bhfokf7" 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>河北表面亮度計價格多少,亮度計</p><p><span>***更新：</span>2020-09-06 08:20:34</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="ubx30it" 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="e8au6a1" class="page-proshow02"><p class="title">詳細說明</p><div id="chmb29y" class="box"><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，河北表面亮度計價格多少。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，河北表面亮度計價格多少，競爭的不斷加劇，LED品質(zhì)受到了前所未有的重視，河北表面亮度計價格多少，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。亮度計是評價路面照明質(zhì)量的重要參數(shù)之一。河北表面亮度計價格多少</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北表面亮度計價格多少,亮度計" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339566201171/6011077.png"></div><p style="text-indent:25px">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，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。亮度圖像測試系統(tǒng)的雜散光可以通過設(shè)計減小雜散光（消光漆、設(shè)置光闌）。房間導(dǎo)致的雜散光主要有照射表面，光源本身，可以通過減低表面反射率，設(shè)置遮光光闌限制天花板或地面的反射光影響等。因此要獲得準(zhǔn)確的測試結(jié)果，需要對房間進行嚴(yán)格的設(shè)計和精確的安裝，亮度計在測試系統(tǒng)中，雜散光無法完全去除，任何殘留的雜散光都必須通過軟件的方法予以修正。河北表面亮度計價格多少亮度計是照明工程、光源和發(fā)光器件、電影電視、交通信號、建筑、大氣光度學(xué)等領(lǐng)域常用的測試儀器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北表面亮度計價格多少,亮度計" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339512587890/7691247.png"></div><p style="text-indent:25px">什么情況下你需要用亮度計呢？、需要滿足更精確的顏色要求的時候；產(chǎn)線對出貨速度有要求的時候；需要更穩(wěn)定的色差控制的時候（排除觀察條件、人工水平的干擾）；需要數(shù)據(jù)支持來進行工廠質(zhì)量水平改進、管控的時候；亮度計的使用步驟是首先步，開機，等著它自檢；第二步，把亮度計放到目標(biāo)樣品上，按下測試鍵——“嗶嗶”，好了，測完了，亮度計會測量它的色坐標(biāo)（一般是Lab值），并把這個目標(biāo)值記錄在內(nèi)存里；第三步，把色差儀放到待測樣品上，按下測試鍵——“嗶嗶”，好了，樣品的色坐標(biāo)也測完，自動根據(jù)你的設(shè)定條件告訴你合格或者不合格（需要自己設(shè)定標(biāo)準(zhǔn)）。這個色差數(shù)據(jù)也會存在機器里，可以連上電腦調(diào)用出來。</p><p style="text-indent:25px">亮度計的測量精度較高，但在亮度均勻度等分析測試時，需要對發(fā)光面進行逐點測試，亮度計可十分方便地進行亮度均勻度等分析測試，具有測量速度快和準(zhǔn)確度高等特點，被普遍應(yīng)用于顯示屏，照明工程、指示燈等各種場合。亮度計是每個化學(xué)分析實驗室必備的常用儀器設(shè)備之一，在各種定量和定性分析中得到了普遍的應(yīng)用。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。亮度計用干涉濾光片作為分光元件，光電管進行光電轉(zhuǎn)換。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北表面亮度計價格多少,亮度計" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339485634765/6263489.png"></div><p style="text-indent:25px">亮度計的亮度測量允許誤差：±3%讀數(shù)+1個字（按規(guī)定計量檢定規(guī)程JJG211-89方法檢驗，指標(biāo)高于5%的允許誤差要求）。亮度計色溫測量范圍：1500K — 25000K。亮度計顏色測量準(zhǔn)確度：±0.005（亮度大于40 cd/m2，A光源條件下）；±0.02 （亮度大于 40 cd/m2，JJG554-88透射式標(biāo)準(zhǔn)色板條件下），亮度計視場：無窮遠時測量視場小于1，取景視場大于7。亮度計測量距離：1m~無窮遠（加近攝接圈可測至0.35m），亮度計電源：電池供電或220V交流適配器供電，亮度計觀察目鏡屈光度調(diào)節(jié)范圍：-4～+2。亮度計是用于規(guī)劃、安裝、檢驗和監(jiān)督照明系統(tǒng)符合光照條件的工業(yè)測量儀器。河北表面亮度計價格多少</p><p style="text-indent:25px">所以這種色度計不需要自帶光源，一般叫做亮度計。河北表面亮度計價格多少</p><p style="text-indent:25px">從待測樣品的角度來說，亮度計又分為兩種。一種測“自己會發(fā)光的樣品”，比如光源、LCD顯示屏等。所以這種色度計不需要自帶光源，一般叫做亮度計。亮度計可以實現(xiàn)非接觸式測量。遠遠的拿著，“嗶嗶”一下就測完了，是不是很炫酷？如果你要測量的物體是反射式呈色的，比如布料、塑料、油墨、漆面等等，樣品的顏色就會受到光源的極大影響。所以為了排除測試現(xiàn)場不同照明環(huán)境的影響，色度計必須內(nèi)置一個標(biāo)準(zhǔn)光源，這就是另外一種色度計。按道理來說，這個標(biāo)準(zhǔn)光源每隔一段時間還需要校準(zhǔn)一下。河北表面亮度計價格多少</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，是一家貿(mào)易型的公司。公司業(yè)務(wù)涵蓋電能質(zhì)量分析儀，功率分析儀，亮度計，色差儀等，價格合理，品質(zhì)有保證。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計、強大的技術(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)。深圳茂迪憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1177419.html</p></div></div></div></div></div><div id="iyor9xf" class="page-right twoColRt"><div id="3ruxbm8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="a96n41r" 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="4f1x2un" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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