福建手持式亮度計(jì)單位誠(chéng)信為本深圳市茂迪機(jī)電設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="　亮度計(jì)主要采用一對(duì)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(yuǎn)近而變，只要物體的表面積足夠大。為了瞄準(zhǔn)被測(cè)物體,常采用成像系統(tǒng)。被測(cè)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="福建手持式亮度計(jì)單位,亮度計(jì)"><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 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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="dynxk7v" class="twoCol"><div id="j86n753" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?福建手持式亮度計(jì)單位誠(chéng)信為本深圳市茂迪機(jī)電設(shè)備供應(yīng)</p><div id="1dckuwv" class="leftbox clearfix"><h1>福建手持式亮度計(jì)單位誠(chéng)信為本深圳市茂迪機(jī)電設(shè)備供應(yīng)</h1><div id="a5wj8ah" class="proBig"><div id="2zyg3xl" class="bigimg"><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 id="ztw2qev" 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="vl3pbpd" 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>福建手持式亮度計(jì)單位,亮度計(jì)</p><p><span>***更新：</span>2020-09-05 05:16:04</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="3wv2h3c" 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(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強(qiáng)</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(jī): </span>0755-83280136</p><p><span>地址: </span>深南大道6006號(hào)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="i6ol8n8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="94hf332" class="box"><p><p style="text-indent:25px">　亮度計(jì)主要采用一對(duì)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(yuǎn)近而變，只要物體的表面積足夠大。為了瞄準(zhǔn)被測(cè)物體,常采用成像系統(tǒng)。被測(cè)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(guò)反射鏡上的小孔經(jīng)后光孔到達(dá)V(λ)接收信號(hào)，福建手持式亮度計(jì)單位。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(jìng)爭(zhēng)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，福建手持式亮度計(jì)單位，福建手持式亮度計(jì)單位、LED照明光源等對(duì)顏色要求較高的場(chǎng)合，品質(zhì)控制的難度和重要性均顯得特別突出。亮度計(jì)獨(dú)特的**了高速、準(zhǔn)確的色度測(cè)量能力。福建手持式亮度計(jì)單位</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建手持式亮度計(jì)單位,亮度計(jì)" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339566201171/6011077.png"></div><p style="text-indent:25px">亮度計(jì)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(cè)試系統(tǒng)的雜散光可以通過(guò)設(shè)計(jì)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(guò)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(cè)試結(jié)果，需要對(duì)房間進(jìn)行嚴(yán)格的設(shè)計(jì)和精確的安裝，亮度計(jì)在測(cè)試系統(tǒng)中，雜散光無(wú)法完全去除，任何殘留的雜散光都必須通過(guò)軟件的方法予以修正。河南分布亮度計(jì)使用所以這種色度計(jì)不需要自帶光源，一般叫做亮度計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建手持式亮度計(jì)單位,亮度計(jì)" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339470693359/7318683.png"></div><p style="text-indent:25px">亮度計(jì)通過(guò)3D偽彩圖可知在背光左下角的發(fā)光亮度比其它區(qū)域要高，跟背光設(shè)計(jì)有關(guān)。根據(jù)軟件CA-S25w的等高線顯示功能，可了解到樣品的邊緣亮度高于平均亮度，中間區(qū)域亮度不足，研發(fā)人員可根據(jù)等高線亮度分布做背光設(shè)計(jì)的調(diào)整。區(qū)域的亮度不均勻觀察可以通過(guò)軟件多種功能顯示，其中CA-S25w的截面圖功能能顯示指定地方的數(shù)據(jù)，顯示不同地方的亮度均勻性。明顯地，樣品的上底部與下底部發(fā)光情況不一致，可能與導(dǎo)光板反射或偏光光路輸出有關(guān)，也有可能由于玻璃或薄膜霧度不同造成出光量不一致。</p><p style="text-indent:25px">視場(chǎng)角是指測(cè)量面對(duì)瞄準(zhǔn)測(cè)量區(qū)域所張的角度，它是瞄點(diǎn)式亮度計(jì)較重要的指標(biāo)之一。在一定的測(cè)量距離下，視場(chǎng)角越大，被測(cè)瞄準(zhǔn)點(diǎn)就越大，測(cè)試時(shí)應(yīng)選擇與被測(cè)目標(biāo)面積相適應(yīng)的視場(chǎng)角，視場(chǎng)角過(guò)大或過(guò)小都會(huì)帶來(lái)較大的誤差。亮度計(jì)的檢定裝置由亮度測(cè)量裝置、發(fā)光強(qiáng)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(jì)、以及帶電測(cè)儀的電源等組成, 光度測(cè)量裝置包括精密測(cè)光導(dǎo)軌、滑車(chē)、燈架和燈絲平面調(diào)整儀等,亮度計(jì)的檢定裝置由亮度測(cè)量裝置、發(fā)光強(qiáng)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(jì)、以及帶電測(cè)儀的電源等組成, 光度測(cè)量裝置包括精密測(cè)光導(dǎo)軌、滑車(chē)、燈架和燈絲平面調(diào)整儀等。亮度計(jì)可以實(shí)現(xiàn)非接觸式測(cè)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建手持式亮度計(jì)單位,亮度計(jì)" src="https://tyunfile.71360.com/UploadFile/szmdjd/637343339634423828/292636.png"></div><p style="text-indent:25px">亮度計(jì)的測(cè)量精度較高，但在亮度均勻度等分析測(cè)試時(shí)，需要對(duì)發(fā)光面進(jìn)行逐點(diǎn)測(cè)試，亮度計(jì)可十分方便地進(jìn)行亮度均勻度等分析測(cè)試，具有測(cè)量速度快和準(zhǔn)確度高等特點(diǎn)，被普遍應(yīng)用于顯示屏，照明工程、指示燈等各種場(chǎng)合。亮度計(jì)是每個(gè)化學(xué)分析實(shí)驗(yàn)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(jì)主要采用一對(duì)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(yuǎn)近而變，只要物體的表面積足夠大。為了瞄準(zhǔn)被測(cè)物體,常采用成像系統(tǒng)。被測(cè)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(guò)反射鏡上的小孔經(jīng)后光孔到達(dá)V(λ)接收信號(hào)。亮度值用指針或數(shù)字表頭顯示。亮度計(jì)線性穩(wěn)定性、重現(xiàn)性好，尤其適合臨床應(yīng)用。甘肅表面亮度計(jì)報(bào)價(jià)</p><p style="text-indent:25px">亮度計(jì)由于需要與相關(guān)的測(cè)試法規(guī)一致，用戶通常需要根據(jù)測(cè)試法規(guī)進(jìn)行Re-aim操作。福建手持式亮度計(jì)單位</p><p style="text-indent:25px">現(xiàn)有的亮度計(jì)，都是通過(guò)電流的強(qiáng)弱來(lái)標(biāo)定被測(cè)物的亮度大小。我們的亮度計(jì)生產(chǎn)廠家生產(chǎn)的光亮度計(jì)通常無(wú)顏色選擇功能，如果需要測(cè)量某種顏色的光（常指三基色紅、綠、藍(lán)）的光強(qiáng)，通常要在**的光電二極管上覆蓋經(jīng)過(guò)修正的紅、綠、藍(lán)濾光片，然后對(duì)輸出的模擬信號(hào)加一個(gè) A/D電路進(jìn)行采樣，再對(duì)該采樣信號(hào)進(jìn)一步處理，才能進(jìn)行識(shí)別，增加了電路的復(fù)雜性，并且存在較大的識(shí)別誤差，影響了識(shí)別的效果。在遇到同時(shí)需要對(duì)多種顏色光強(qiáng)進(jìn)行測(cè)量的場(chǎng)合，工作量將會(huì)成倍的增加，其便利性是顯而易見(jiàn)的，同時(shí)，也減少了測(cè)量結(jié)果的誤差。福建手持式亮度計(jì)單位</p><p style="text-indent:25px">深圳市茂迪機(jī)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)分為電能質(zhì)量分析儀，功率分析儀，亮度計(jì)，色差儀等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。深圳茂迪秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1161739.html</p></div></div></div></div></div><div id="2bpj5gs" class="page-right twoColRt"><div id="tzy8bad" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="flvxygn" 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) 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