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href="http://www.cdcfah.com/cp/third-gxyq_zhaoduji/">照度計(jì)</a>?廣東手持式照度計(jì)哪個(gè)品牌好服務(wù)至上深圳市茂迪機(jī)電設(shè)備供應(yīng)</p><div id="laskrya" class="leftbox clearfix"><h1>廣東手持式照度計(jì)哪個(gè)品牌好服務(wù)至上深圳市茂迪機(jī)電設(shè)備供應(yīng)</h1><div id="pewtl8c" class="proBig"><div id="kz2mdv7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637362715616650390/445493.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mvxpws3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637362715616650390/445493.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b74q8mg" 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>廣東手持式照度計(jì)哪個(gè)品牌好,照度計(jì)</p><p><span>***更新：</span>2021-01-26 04:13:00</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7yzbdkm" 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="wvs24qn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tizb3wt" class="box"><p><p style="text-indent:25px">照度計(jì)不適或較差的照明條件是造成事故和疲勞的主要原因之一?，F(xiàn)有統(tǒng)計(jì)資料表明，廣東手持式照度計(jì)哪個(gè)品牌好，在所有職業(yè)勞動的事故中約有30%是直接或間接因光線不足所造成的。對體育場（館）的光照要求是非常嚴(yán)格的，廣東手持式照度計(jì)哪個(gè)品牌好，光照過強(qiáng)或過暗都會影響比賽的效果，廣東手持式照度計(jì)哪個(gè)品牌好。那么，人們居住的室內(nèi)對照度的衛(wèi)生學(xué)要求是如何呢？照度是在衛(wèi)生學(xué)中一項(xiàng)十分重要的指標(biāo)。光是指能引起人眼睛光亮感覺的電磁輻射，當(dāng)光線進(jìn)入眼睛后可產(chǎn)生的知覺稱為視覺。人們所見的光是指可見光，其波長范圍在380～760nm（納米）之間。照度計(jì)記錄下各個(gè)距離下的電流計(jì)的讀數(shù)。廣東手持式照度計(jì)哪個(gè)品牌好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東手持式照度計(jì)哪個(gè)品牌好,照度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637362715616650390/445493.png"></div><p style="text-indent:25px">照度儀形成視覺影像。人眼中的感光細(xì)胞有兩種：錐狀細(xì)胞和桿狀細(xì)胞，其中錐狀細(xì)胞對不同色彩的光有不同的敏感度，對波長550nm的光很敏感。通常要求的亮度至少為每平方米幾個(gè)坎德拉，所以也常稱為明視覺。而桿狀細(xì)胞不能辨別色彩，對波長為510nm的光很敏感，所需的亮度一般低于每平方米百分之幾坎德拉，所以也常稱為暗視覺。中間視覺介于上述兩種視覺之間。日常生活中，不同的照明、顯示光源具有不同的光譜特性，如白熾燈光譜在550-780nm分布較多，而熒光燈光波在短波區(qū)域分布較多。廣東手持式照度計(jì)哪個(gè)品牌好照度計(jì)的工作精度很高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東手持式照度計(jì)哪個(gè)品牌好,照度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637362715256455078/3235499.png"></div><p style="text-indent:25px">照度計(jì)選擇適合測量檔位。如果顯示屏左端只顯示“1”，表示照度過量，需要按下量程鍵（⑧鍵），調(diào)整測量倍數(shù)。照度計(jì)開始工作，并在顯示屏上顯示照度值。顯示屏上顯示數(shù)據(jù)不斷地變動，當(dāng)顯示數(shù)據(jù)比較穩(wěn)定時(shí)，按下HOLD鍵，鎖定數(shù)據(jù)。讀取并記錄讀數(shù)器中顯示的觀測值。觀測值等于讀數(shù)器中顯示數(shù)字與量程值的乘積。比如：屏幕上顯示500，右下角顯示狀態(tài)為“×2000”，照度測量值為1000000lx，即（500×2000）。再按一下鎖定開關(guān)，取消讀值鎖定功能。</p><p style="text-indent:25px">照度計(jì)偏重波長較長的的紅色系高壓燈，或波長較短藍(lán)紫色系如Daylight日光燈；也有分布比較平均的如白熾燈泡系列，同一照度計(jì)對不同的波長其靈敏度可能略有不同，故適度的補(bǔ)償屬必要。余弦補(bǔ)償﹝CosineCompensation﹞大家都知道，受照面的亮度與光源的入射角度有關(guān)。相同的道理，在用照度計(jì)做測量時(shí)，感應(yīng)器﹝Sensor﹞與光源入射角度自然會對照度計(jì)的讀值有影響。所以一個(gè)好的照度計(jì)是否有余弦補(bǔ)償?shù)墓δ軐?shí)在不可忽略。照度計(jì)如何校準(zhǔn)：校準(zhǔn)雖不同于檢定，但進(jìn)行校準(zhǔn)的人員也應(yīng)經(jīng)有效的考核。照度計(jì)的敏感度很高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東手持式照度計(jì)哪個(gè)品牌好,照度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/szmdjd/637362715351953125/2849320.png"></div><p style="text-indent:25px">照度計(jì)的定標(biāo)：定標(biāo)原理：使Ls垂直照射光電池→E＝I/r2，改變r(jià)可得不同照度下的光電流值，由E與i的對應(yīng)關(guān)系將電流刻度轉(zhuǎn)換為照度刻度。定標(biāo)方法：利用光強(qiáng)標(biāo)準(zhǔn)燈,在近似點(diǎn)光源的工作距離下,改變光電池與標(biāo)準(zhǔn)燈的距離l,記錄下各個(gè)距離下的電流計(jì)的讀數(shù),由距離平方反比定律E=Ｉ/r2計(jì)算光照度E,由此可以得到一系列不同照度的光電流值i,作光電流i與照度E的變化曲線,即為照度計(jì)的定標(biāo)曲線由此可對照度計(jì)表盤進(jìn)行分度即為照度計(jì)的定標(biāo)。深圳市茂迪機(jī)電設(shè)備有限公司照度計(jì)有可編程的功能。廣東手持式照度計(jì)哪個(gè)品牌好</p><p style="text-indent:25px">照度計(jì)的穩(wěn)定性比較好。廣東手持式照度計(jì)哪個(gè)品牌好</p><p style="text-indent:25px">照度計(jì)的光電池是把光能直接轉(zhuǎn)換成電能的光電元件。當(dāng)光線射到硒光電池表面時(shí)，入射光透過金屬薄膜4到達(dá)半導(dǎo)體硒層2和金屬薄膜4的分界面上，在界面上產(chǎn)生光電效應(yīng)。產(chǎn)生的光生電流的大小與光電池受光表面上的照度有一定的比例關(guān)系。這時(shí)如果接上外電路，就會有電流通過，電流值從以勒克斯(Lx)為刻度的微安表上指示出來。光電流的大小取決于入射光的強(qiáng)弱。照度計(jì)有變檔裝置，因此可以測高照度，也可以測低照度。照度計(jì)是一種專門測量照度的儀器儀表。廣東手持式照度計(jì)哪個(gè)品牌好</p><p> 深圳市茂迪機(jī)電設(shè)備有限公司成立于1995年4月，是廣東省儀器儀表協(xié)會理事單位、深圳市儀器儀表行業(yè)協(xié)會理事單位，深圳市**采購中心定點(diǎn)采購單位。主要由光電事業(yè)部、物體色差部、系統(tǒng)集成部，環(huán)境測試儀器部組成。 </p> <p> 經(jīng)過多年的努力，根據(jù)中國儀器儀表市場的需求及國內(nèi)外儀器儀表行業(yè)的發(fā)展趨勢，我公司從眾多的同類產(chǎn)品中精挑細(xì)選出一些技術(shù)先進(jìn)，質(zhì)量可靠，性價(jià)比高的品牌測量儀器推薦給用戶，與日本柯尼卡美能達(dá) Konica Minolta、美國Radiant、雷云光電Rayclouds、德國Instyument Systems、日本托普康Topcon、法國ELDIM、美國藍(lán)菲Labsphere、中國臺灣茂迪、德國GMC-I高美測儀、德國GMC-I KURTH（庫爾特），TESCOM，有著緊密而***的合作聯(lián)系。 </p> <p> </p> <span style="display:none;"></span></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3013548.html</p></div></div></div></div></div><div id="hwoli7r" class="page-right twoColRt"><div id="ut73fn3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="t3gk8gd" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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