{"id":9632,"date":"2026-08-19T19:35:11","date_gmt":"2026-08-19T11:35:11","guid":{"rendered":"https:\/\/www.ledtestsystem.com\/?p=9632"},"modified":"2026-08-19T19:35:11","modified_gmt":"2026-08-19T11:35:11","slug":"lisun-ls103-led-isik-olcer-aydinlatma-testi-ve-kalite-kontrolu-icin-hassas-fotometrik-olcum-saglar","status":"publish","type":"post","link":"https:\/\/ledtestsystem.com\/tr\/bloglar\/lisun-ls103-led-isik-olcer-aydinlatma-testi-ve-kalite-kontrolu-icin-hassas-fotometrik-olcum-saglar\/","title":{"rendered":"LISUN LS103 LED I\u015f\u0131k \u00d6l\u00e7er: Ayd\u0131nlatma Testi ve Kalite Kontrol\u00fc i\u00e7in Hassas Fotometrik \u00d6l\u00e7\u00fcm"},"content":{"rendered":"

Kat\u0131 Hal Ayd\u0131nlatmas\u0131nda Fotometrik Hassasiyet: L\u0130SUN<\/a> LS103 ve Modern Kalite G\u00fcvencesi i\u00e7in Entegre Spektroradyometrik Do\u011frulama<\/strong><\/p>\n

Soyut<\/strong>
\nKat\u0131 hal ayd\u0131nlatma (SSL) ve ekran teknolojilerinin evrimi, fotometrik cihazlara kat\u0131 gereksinimler getirmi\u015ftir. Ayd\u0131nlatma \u00f6l\u00e7erler rutin l\u00fcks \u00f6l\u00e7\u00fcm\u00fcn\u00fcn temel ta\u015f\u0131 olmaya devam ederken, LED'lerdeki do\u011fal spektral g\u00fc\u00e7 da\u011f\u0131l\u0131m\u0131 (SPD) varyasyonlar\u0131, kalite kontrol\u00fcne \u00e7ift kademeli bir yakla\u015f\u0131m gerektirmektedir: y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fckl\u00fc spektro radyometrik analizle desteklenen h\u0131zl\u0131 l\u00fcks de\u011ferlendirmesi. Bu makale, ayd\u0131nlatma testi i\u00e7in birincil bir cihaz olarak LISUN LS103 LED I\u015f\u0131k \u00d6l\u00e7erini inceleyerek, \u00e7al\u0131\u015fma prensiplerini, teknik \u00f6zelliklerini ve uluslararas\u0131 standartlara uygunlu\u011funu detayland\u0131rmaktad\u0131r. Ayr\u0131ca, LISUN LMS-6000 serisi Spektroradyometrenin, LED metrolojisini do\u011frulamak, izlenebilirli\u011fi sa\u011flamak ve \u00fcretim, otomotiv, havac\u0131l\u0131k ve ekran uygulamalar\u0131nda kapsaml\u0131 fotobiyolojik ve kolorimetrik de\u011ferlendirmeyi m\u00fcmk\u00fcn k\u0131lmak i\u00e7in vazge\u00e7ilmez bir referans ara\u00e7 olarak kritik rol\u00fcn\u00fc ortaya koymaktad\u0131r. Bu iki cihaz s\u0131n\u0131f\u0131n\u0131n entegrasyonu, modern ayd\u0131nlatma laboratuvar\u0131 i\u00e7in titiz, metrolojik olarak sa\u011flam bir \u00e7er\u00e7eve olu\u015fturmaktad\u0131r.<\/p>\n

\n

1. Giri\u015f: LED Fotometrisinde Metrolojik Hiyerar\u015fi<\/h3>\n

I\u015f\u0131k yayan diyot (LED) teknolojisi, enerji verimlili\u011fi ve tasar\u0131m esnekli\u011fi sayesinde ni\u015f uygulamalardan yayg\u0131n kullan\u0131ma ge\u00e7mi\u015ftir. Bununla birlikte, LED'lerin fotometrik karakterizasyonu, geleneksel akkor lambalara k\u0131yasla farkl\u0131 zorluklar sunmaktad\u0131r. LED \u00e7\u0131k\u0131\u015flar\u0131, fotopik d\u00fczeltme filtrelerine (V(\u03bb)) dayanan cihazlarda \u00f6nemli hatalara yol a\u00e7abilen binleme varyasyonlar\u0131na, s\u0131cakl\u0131\u011fa ba\u011fl\u0131 dalga boyu kaymalar\u0131na ve dar bantl\u0131 spektral emisyonlara tabidir. Bu nedenle, hiyerar\u015fik bir yakla\u015f\u0131m gereklidir. Operasyonel d\u00fczeyde, LISUN LS103 gibi ayd\u0131nlatma \u00f6l\u00e7erler, saha denetimleri i\u00e7in anl\u0131k, ta\u015f\u0131nabilir \u00f6l\u00e7\u00fcmler sa\u011flar. Referans d\u00fczeyinde ise, spektroradyometre<\/a> LISUN LMS-6000 serisi gibi cihazlar, dedekt\u00f6r uyumsuzluklar\u0131ndan ba\u011f\u0131ms\u0131z olarak, e\u015fsiz bir do\u011frulukla fotometrik nicelikleri hesaplamak i\u00e7in gerekli spektral verileri sa\u011flar. Bu makale, her iki teknolojinin uygulamas\u0131n\u0131 ayr\u0131nt\u0131l\u0131 olarak ele almakta olup, \u00f6zellikle ayd\u0131nlatma testi i\u00e7in temel cihaz olan LS103'e ve spektral do\u011frulu\u011fun kesin kayna\u011f\u0131 olan LMS-6000'e odaklanmaktad\u0131r.<\/p>\n

2. LISUN LS103'\u00fcn Temel Mimari Yap\u0131s\u0131: Dedekt\u00f6r Sistemi ve Fotopik D\u00fczeltme<\/h3>\n

LISUN LS103, ta\u015f\u0131nabilir fotometreler genel kategorisine giren dijital bir ayd\u0131nlatma \u00f6l\u00e7er olarak tasarlanm\u0131\u015ft\u0131r. \u00d6l\u00e7\u00fcm b\u00fct\u00fcnl\u00fc\u011f\u00fc, dinamik aral\u0131klar boyunca kararl\u0131l\u0131\u011f\u0131 ve do\u011frusall\u0131\u011f\u0131 nedeniyle se\u00e7ilen bir silikon fotodiyot dedekt\u00f6r\u00fc ile ba\u015flar. Dedekt\u00f6r, insan g\u00f6z\u00fcn\u00fcn fotopik g\u00f6r\u00fc\u015f\u00fc i\u00e7in CIE (Uluslararas\u0131 Ayd\u0131nlatma Komisyonu) standart fotopik parlakl\u0131k fonksiyonu V(\u03bb)'y\u0131 taklit etmek \u00fczere titizlikle kalibre edilmi\u015f bir optik filtre ile birle\u015ftirilmi\u015ftir.<\/p>\n

Bu filtrenin hassasiyeti, l\u00fcks metre ile radyometre aras\u0131ndaki temel fark\u0131 olu\u015fturur. Fotometrik terimlerle ifade etmek gerekirse, f1'\u2019<\/em> Hata\u2014cihaz\u0131n spektral duyarl\u0131l\u0131\u011f\u0131n\u0131n ideal V(\u03bb) e\u011frisinden sapmas\u0131\u2014d\u00fczeltmenin kalitesini \u00f6l\u00e7er. LS103, ulusal standartlara izlenebilir bir standart lambaya g\u00f6re kalibre edilerek hata en aza indirilir. f1'\u2019<\/em> Renk kar\u0131\u015f\u0131ml\u0131 LED'leri (\u00f6rne\u011fin, fosfor d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f beyaz LED'ler) \u00f6l\u00e7erken, a\u011f\u0131rl\u0131kl\u0131 entegrasyonun do\u011fru bir l\u00fcks okumas\u0131 vermesini sa\u011flamak i\u00e7in hata d\u00fczeltmesi yap\u0131l\u0131r. Bu d\u00fczeltme olmadan, standart bir fotodiyot mavi \u0131\u015f\u0131\u011f\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde abart\u0131r ve k\u0131rm\u0131z\u0131 \u0131\u015f\u0131\u011f\u0131 hafife al\u0131r, bu da \u00f6l\u00e7\u00fcmleri kalite kontrol\u00fc i\u00e7in i\u015fe yaramaz hale getirir.<\/p>\n

LS103'\u00fcn i\u00e7indeki analogdan dijitale d\u00f6n\u00fc\u015ft\u00fcrme devresi, entegre bir amplifikat\u00f6re sahiptir ve bu sayede sinyal-g\u00fcr\u00fclt\u00fc oranlar\u0131n\u0131n zor oldu\u011fu d\u00fc\u015f\u00fck \u0131\u015f\u0131k ko\u015fullar\u0131nda (0,01 lx'e kadar) bile do\u011fru okumalar sa\u011flar. \u00d6te yandan, \u00e7arp\u0131msal n\u00f6tr yo\u011funluk filtreleri (kosin\u00fcs yan\u0131t hatalar\u0131na neden olabilir) kullan\u0131lmadan 200.000 lx'e kadar \u00f6l\u00e7\u00fcm yapabilme \u00f6zelli\u011fi, logaritmik veya \u00e7ift aral\u0131kl\u0131 otomatik kazan\u00e7 sistemi arac\u0131l\u0131\u011f\u0131yla elde edilir.<\/p>\n

3. Kosin\u00fcs D\u00fczeltmesi ve Da\u011f\u0131n\u0131k Ayd\u0131nlatmaya \u0130li\u015fkin \u00d6nemi<\/h3>\n

Ayd\u0131nlatma testlerinde s\u0131kl\u0131kla g\u00f6z ard\u0131 edilen kritik bir parametre, kosin\u00fcs yasas\u0131 tepkisidir. I\u015f\u0131k dedekt\u00f6re e\u011fik bir a\u00e7\u0131yla \u00e7arpt\u0131\u011f\u0131nda, y\u00fczeydeki ayd\u0131nlatma, geli\u015f a\u00e7\u0131s\u0131n\u0131n kosin\u00fcs\u00fcne orant\u0131l\u0131 olarak azal\u0131r. LS103, al\u0131c\u0131n\u0131n eksen d\u0131\u015f\u0131 \u0131\u015f\u0131\u011f\u0131 do\u011fru \u015fekilde yorumlamas\u0131n\u0131 sa\u011flamak i\u00e7in titizlikle tasarlanm\u0131\u015f, genellikle beyaz plastik bir kubbe olan bir kosin\u00fcs d\u00fczeltme dif\u00fcz\u00f6r\u00fc kullan\u0131r.<\/p>\n

\u00d6rne\u011fin \u015fu uygulamalarda: Kentsel Ayd\u0131nlatma Tasar\u0131m\u0131<\/em> Ve Sahne ve St\u00fcdyo Ayd\u0131nlatmas\u0131<\/em>, I\u015f\u0131n a\u00e7\u0131lar\u0131n\u0131n dar ve yo\u011fun oldu\u011fu durumlarda, d\u00fczeltilmemi\u015f bir cihaz, y\u00fcksek a\u00e7\u0131l\u0131 geli\u015flerde 30%'yi a\u015fan hatalara yol a\u00e7abilir. LS103'\u00fcn entegre dif\u00fcz\u00f6r\u00fc, do\u011fru \u00f6l\u00e7\u00fcm yap\u0131lmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r. olay<\/em> I\u015f\u0131k ak\u0131s\u0131, sokak ayd\u0131nlatmas\u0131nda homojenlik oranlar\u0131 (\u00f6rne\u011fin, U1, U2) i\u00e7in yap\u0131lan hesaplamalar\u0131n CIE 140 standartlar\u0131na uygun olmas\u0131n\u0131 sa\u011flar. Bu \u00f6zellik, sokak ayd\u0131nlatmas\u0131nda ayn\u0131 derecede kritiktir. Otomotiv Ayd\u0131nlatma Testi<\/em>, Burada, far \u0131\u015f\u0131k demeti desenleri, kar\u015f\u0131dan gelen trafi\u011fe g\u00f6z kama\u015ft\u0131rmadan kesme \u00e7izgisi \u00f6zelliklerini kar\u015f\u0131lad\u0131\u011f\u0131ndan emin olmak i\u00e7in \u00e7e\u015fitli azimut a\u00e7\u0131lar\u0131nda de\u011ferlendirilir.<\/p>\n

4. Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Analiz: LISUN LMS-6000 Serisi ile Spektroradyometrik Do\u011frulama<\/h3>\n

LS103 parlakl\u0131k\/ayd\u0131nlatma \u00e7\u0131k\u0131\u015f\u0131 sa\u011flarken, kromatiklik koordinatlar\u0131 (x, y) veya ili\u015fkili renk s\u0131cakl\u0131\u011f\u0131 (CCT) sa\u011flamaz. Kapsaml\u0131 kalite kontrol\u00fc i\u00e7in, a\u015fa\u011f\u0131daki \u00f6zelli\u011fi sunuyoruz: LISUN LMS-6000 Spektroradyometre<\/strong> Yard\u0131mc\u0131 standart olarak. LMS-6000, bir \u0131\u015f\u0131k kayna\u011f\u0131n\u0131n t\u00fcm spektral g\u00fc\u00e7 da\u011f\u0131l\u0131m\u0131n\u0131 tek bir \u00f6l\u00e7\u00fcmde yakalayan, tarama s\u00fcresine olan ihtiyac\u0131 ortadan kald\u0131ran ve titre\u015fen veya ge\u00e7ici kaynaklar\u0131n \u00f6l\u00e7\u00fclmesine olanak tan\u0131yan dizi tipi bir spektro radyometredir.<\/p>\n

LISUN LMS-6000 Platformunun Teknik \u00d6zellikleri:<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
Parametre<\/th>\n\u00d6zellikler (Tipik)<\/th>\nUygulama Etkisi<\/th>\n<\/tr>\n<\/thead>\n
Dalga Boyu Aral\u0131\u011f\u0131<\/strong><\/td>\n380\u2013780 nm (g\u00f6r\u00fcn\u00fcr); geni\u015fletilmi\u015f yak\u0131n k\u0131z\u0131l\u00f6tesi (NIR) i\u00e7in 1000 nm'ye kadar varyantlar<\/td>\nG\u00fcne\u015f sim\u00fclat\u00f6rleri i\u00e7in tam fotopik aral\u0131\u011f\u0131 ve yak\u0131n k\u0131z\u0131l\u00f6tesi (NIR) aral\u0131\u011f\u0131n\u0131 kapsar.<\/td>\n<\/tr>\n
Optik \u00c7\u00f6z\u00fcn\u00fcrl\u00fck<\/strong><\/td>\nCCD dizisi arac\u0131l\u0131\u011f\u0131yla \u2264 0,5 nm<\/td>\nC\u0131va buharl\u0131 veya karma\u015f\u0131k LED fosforlar\u0131ndaki dar spektral \u00e7izgileri \u00e7\u00f6zer.<\/td>\n<\/tr>\n
Parlakl\u0131k (cd\/m\u00b2) ve Ayd\u0131nlatma (l\u00fcks)<\/strong><\/td>\nSPD'den e\u015f zamanl\u0131 hesaplama<\/td>\nFiltre uyumsuzlu\u011fu olmadan izlenebilir fotometrik veriler sa\u011flar.<\/td>\n<\/tr>\n
Kromatiklik Do\u011frulu\u011fu<\/strong><\/td>\n\u0394x, \u0394y \u2264 0,0015 (standart ayd\u0131nlatma A)<\/td>\nG\u00f6r\u00fcnt\u00fcleme gereksinimini a\u015f\u0131yor gama<\/em> ve LED s\u0131n\u0131fland\u0131rmas\u0131.<\/td>\n<\/tr>\n
Entegrasyon S\u00fcresi<\/strong><\/td>\n0,1 ms \u2013 10 s aras\u0131nda ayarlanabilir<\/td>\nDarbeli LED'lerin \u00f6l\u00e7\u00fclmesine olanak tan\u0131r. Havac\u0131l\u0131k ve Uzay Ayd\u0131nlatmas\u0131<\/em>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

LMS-6000 (ve varyantlar\u0131 LMS-6000SF, LMS-6000P, vb.), InGaN tabanl\u0131 LED'lerin \u00f6l\u00e7\u00fcm\u00fcnde kritik \u00f6neme sahip olan geli\u015fmi\u015f mavi hassasiyeti i\u00e7in arkadan inceltilmi\u015f bir CCD dizisi kullan\u0131r. T\u0131bbi Ayd\u0131nlatma Ekipmanlar\u0131<\/em> (\u00d6rne\u011fin, fototerapi \u00fcniteleri). \u00d6l\u00e7\u00fcm\u00fcn temel prensibi, \u0131\u015f\u0131\u011f\u0131n yans\u0131t\u0131c\u0131 bir \u0131zgara \u00fczerinden k\u0131r\u0131n\u0131m\u0131na dayanmaktad\u0131r. Da\u011f\u0131lm\u0131\u015f spektrum CCD taraf\u0131ndan yakalan\u0131r ve fotometrik de\u011ferler, spektral verilerin V(\u03bb) fonksiyonu ile a\u011f\u0131rl\u0131kland\u0131r\u0131lm\u0131\u015f entegrasyonu yoluyla hesaplan\u0131r.<\/p>\n

Algoritmik Ayr\u0131m:<\/strong> LS103 fiziksel bir filtre kullan\u0131r; LMS-6000 ise bir filtre kullan\u0131r. sanal<\/em> Filtre (yaz\u0131l\u0131m a\u011f\u0131rl\u0131kland\u0131rmas\u0131). Bu nedenle, LMS-6000'in CIE e\u011frisine kar\u015f\u0131 teorik fotometrik do\u011fruluk hatas\u0131 yakla\u015f\u0131k 0,% iken, LS103 gibi fiziksel bir filtre \u00f6l\u00e7\u00fcm cihaz\u0131 kal\u0131nt\u0131 bir hata pay\u0131 korur. f1'\u2019<\/em> hata (tipik olarak y\u00fcksek kaliteli cihazlar i\u00e7in <2%). Pratikte, LS103 h\u0131zl\u0131 tarama arac\u0131 olarak hizmet verirken, LMS-6000 uygunluk testi ve sertifikasyonu i\u00e7in hakem g\u00f6revi g\u00f6r\u00fcr.<\/p>\n

5. Spektral Uyumsuzluk Hatalar\u0131: Nicel Bir Analiz<\/h3>\n

\u015e\u00f6yle bir senaryoyu ele alal\u0131m: LED ve OLED \u00dcretimi<\/em> 450 nm'de belirgin bir mavi tepe noktas\u0131 ve geni\u015f bir sar\u0131 emisyonu olan fosfor d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f beyaz bir LED i\u00e7erir. D\u00fczeltilmemi\u015f bir ayd\u0131nlatma \u00f6l\u00e7er, silikonun k\u0131sa dalga boylar\u0131na a\u015f\u0131r\u0131 tepkisi nedeniyle +12% ila +15% aras\u0131nda bir sapma ile ayd\u0131nlatma de\u011ferleri bildirebilir. Y\u00fcksek kaliteli V(\u03bb) filtresine sahip LISUN LS103, bu sapmay\u0131 <3%'ye d\u00fc\u015f\u00fcr\u00fcr.<\/p>\n

Ancak, kat\u0131 s\u0131n\u0131fland\u0131rma i\u00e7in Ekran Ekipmanlar\u0131 Testi<\/em>, 3%'lik bir sapma kabul edilemez. Burada, LMS-6000, SPD'yi ayr\u0131\u015ft\u0131r\u0131r ve \u015fu hesaplamay\u0131 yapar:<\/p>\n

    \n
  • CCT (K):<\/strong> Elde edilen kromatiklik koordinatlar\u0131na McCamy veya Robertson y\u00f6ntemini uygulamak.<\/li>\n
  • CRI (Ra) ve TM-30:<\/strong> \u00d6rnek paletlerin spektral yans\u0131ma e\u011frilerini, test \u0131\u015f\u0131\u011f\u0131 alt\u0131nda bir referans ayd\u0131nlat\u0131c\u0131ya kar\u015f\u0131 kar\u015f\u0131la\u015ft\u0131rarak.<\/li>\n
  • Spektral G\u00fc\u00e7 Da\u011f\u0131l\u0131m\u0131:<\/strong> M\u00fchendislerin, YAG:Ce3+ fosfor konsantrasyonundaki varyasyonlar gibi s\u0131n\u0131fland\u0131rma kaymas\u0131n\u0131n nedenini belirlemelerine olanak tan\u0131r.<\/li>\n<\/ul>\n

    A\u015fa\u011f\u0131daki tablo, cihazlar aras\u0131 tipik bir kar\u015f\u0131la\u015ft\u0131rmay\u0131 g\u00f6stermektedir:<\/p>\n\n\n\n\n\n\n\n\n\n
    Parametre<\/th>\nLISUN LS103 (Filtre \u00d6l\u00e7er)<\/th>\nLISUN LMS-6000 (Spektroradyometre)<\/th>\n<\/tr>\n<\/thead>\n
    \u00d6l\u00e7\u00fcm \u00c7\u0131kt\u0131s\u0131<\/strong><\/td>\nAyd\u0131nlatma (l\u00fcks), Ayak mumu<\/td>\nSPD, Kromatiklik, CCT, CRI, Ayd\u0131nlatma, Parlakl\u0131k<\/td>\n<\/tr>\n
    Spektral \u00c7\u00f6z\u00fcn\u00fcrl\u00fck<\/strong><\/td>\n\u0130ntegral V(\u03bb)<\/td>\n0,5 nm<\/td>\n<\/tr>\n
    Edinme S\u00fcresi<\/strong><\/td>\nGer\u00e7ek zamanl\u0131 (0,5s)<\/td>\n<1s (tam spektrum)<\/td>\n<\/tr>\n
    \u0130zlenebilirlik Standard\u0131<\/strong><\/td>\nStandart Lamba (Lux)<\/td>\nSpektral I\u015f\u0131n\u0131m Lambas\u0131 (W\/m\u00b2\/nm)<\/td>\n<\/tr>\n
    Temel Kullan\u0131m<\/strong><\/td>\nDenetim, Yerinde Kalite G\u00fcvencesi<\/td>\nAr-Ge, Metroloji, Fotobiyolojik G\u00fcvenlik s\u0131n\u0131fland\u0131rmas\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    6. Mevzuat Uyumlulu\u011fu ve Standartlara Uygunluk<\/h3>\n

    LISUN LS103, a\u015fa\u011f\u0131daki gereksinimlere uymaktad\u0131r: GB\/T 5700<\/strong> (Ayd\u0131nlatma \u00f6l\u00e7\u00fcm y\u00f6ntemleri) ve genel s\u0131n\u0131fland\u0131rma gereksinimleriyle uyumludur. CIE S 023\/E<\/strong> (Ayd\u0131nlatma \u00f6l\u00e7erler). Kalibrasyonu ulusal fotometrik standartlara g\u00f6re izlenebilirdir ve bu da cihaz\u0131n gereksinimleri kar\u015f\u0131lamas\u0131n\u0131 veya a\u015fmas\u0131n\u0131 sa\u011flar. C S\u0131n\u0131f\u0131<\/em> tan\u0131mland\u0131\u011f\u0131 \u015fekilde ayd\u0131nlatma \u00f6l\u00e7er JIS C 1609-1<\/strong> standart.<\/p>\n

    LMS-6000 serisinin \u00f6ne \u00e7\u0131kt\u0131\u011f\u0131 nokta, uyumluluktur. IES LM-79-19<\/strong> (Kat\u0131 Hal Ayd\u0131nlatma \u00dcr\u00fcnlerinin Elektriksel ve Fotometrik \u00d6l\u00e7\u00fcmleri). Bu standart, kat\u0131 hal ayd\u0131nlatma \u00fcr\u00fcnlerinin toplam \u0131\u015f\u0131k ak\u0131s\u0131 \u00f6l\u00e7\u00fcm\u00fc i\u00e7in filtrelenmi\u015f fotodedekt\u00f6rlerin kullan\u0131m\u0131n\u0131 a\u00e7\u0131k\u00e7a yasaklamaktad\u0131r, aksi belirtilmedik\u00e7e. f1'\u2019<\/em> Hata ihmal edilebilir d\u00fczeydedir. Bu nedenle, Fotovoltaik End\u00fcstrisi<\/em> uygulamalar\u2014spektral e\u015fle\u015fme s\u0131n\u0131fland\u0131rmas\u0131 i\u00e7in g\u00fcne\u015f sim\u00fclat\u00f6rlerinin test edilmesi IEC 60904-9<\/strong>\u2014LMS-6000 zorunludur. Belirli dalga boyu aral\u0131klar\u0131nda (\u00f6rne\u011fin, 400-500nm, 500-600nm) SPD sapmas\u0131n\u0131 analiz ederek g\u00fcne\u015f sim\u00fclat\u00f6r\u00fcn\u00fcn spektral \u0131\u015f\u0131n\u0131m\u0131n\u0131 A\/B\/C derecelerine ay\u0131r\u0131r. LS103 ise yaln\u0131zca test dizisi boyunca genel kurulum ayd\u0131nlatmas\u0131n\u0131n sabit kalmas\u0131n\u0131 sa\u011flamak i\u00e7in ikincil bir kontrol olarak kullan\u0131lacakt\u0131r.<\/p>\n

    7. Uygulama Alanlar\u0131 ve Kullan\u0131m Senaryolar\u0131<\/h3>\n

    Otomotiv Ayd\u0131nlatma Testleri:<\/strong>
    \nOtomotiv montaj fabrikalar\u0131nda, farlar \u0131\u015f\u0131k \u015fiddeti ve \u0131\u015f\u0131n deseni a\u00e7\u0131s\u0131ndan 100% denetimine tabi tutulur. LS103, belirli \u00f6l\u00e7\u00fcm noktalar\u0131nda (\u00f6rne\u011fin, ECE R112'deki 75R noktas\u0131) \u0131\u015f\u0131k \u015fiddetini (cd) \u00f6l\u00e7mek i\u00e7in test tezgahlar\u0131na entegre edilmi\u015ftir. Bununla birlikte, i\u00e7 ortam ayd\u0131nlatmas\u0131n\u0131n (RGB LED'ler) rengini analiz etmek i\u00e7in \u00fcreticiler, g\u00f6sterge paneli \u0131\u015f\u0131klar\u0131n\u0131n renk do\u011frulu\u011funun OEM spesifikasyonlar\u0131 taraf\u0131ndan tan\u0131mlanan tolerans dahilinde kalmas\u0131n\u0131 sa\u011flamak ve ara\u00e7lar aras\u0131nda renk tutars\u0131zl\u0131\u011f\u0131n\u0131 \u00f6nlemek i\u00e7in LMS-6000P'yi (kosin\u00fcs dif\u00fcz\u00f6rl\u00fc) kullan\u0131rlar.<\/p>\n

    Havac\u0131l\u0131k ve Uzay Ayd\u0131nlatmas\u0131:<\/strong>
    \nHavac\u0131l\u0131k standartlar\u0131 (RTCA DO-160), kokpit ayd\u0131nlatmas\u0131n\u0131n y\u00fcksek ortam parlakl\u0131\u011f\u0131nda okunabilir olmas\u0131n\u0131 gerektirir. Burada, LS103, g\u00f6sterge paneli ile arka plan aras\u0131ndaki kontrast oran\u0131n\u0131 \u00f6l\u00e7mek i\u00e7in kullan\u0131l\u0131r. E\u015f zamanl\u0131 olarak, LMS-6000UV varyant\u0131 (geni\u015fletilmi\u015f UV aral\u0131\u011f\u0131), ayd\u0131nlatman\u0131n spektral \u00f6zelliklerini de\u011ferlendirmek ve pilotlar\u0131n karanl\u0131k g\u00f6r\u00fc\u015f\u00fcn\u00fc bozmad\u0131\u011f\u0131ndan veya gece g\u00f6r\u00fc\u015f g\u00f6r\u00fcnt\u00fcleme sistemleri (NVIS) uyumlulu\u011funa m\u00fcdahale etmedi\u011finden emin olmak i\u00e7in kullan\u0131labilir. LMS-6000, kokpit \u0131\u015f\u0131klar\u0131n\u0131n k\u0131z\u0131l\u00f6tesi (IR) s\u0131z\u0131nt\u0131s\u0131n\u0131 \u00f6l\u00e7erek, gece g\u00f6r\u00fc\u015f g\u00f6zl\u00fc\u011f\u00fc uyumlulu\u011fu s\u0131n\u0131rlar\u0131n\u0131 a\u015fmad\u0131\u011f\u0131ndan emin olur.<\/p>\n

    Bilimsel Ara\u015ft\u0131rma Laboratuvarlar\u0131 ve Tar\u0131msal Ayd\u0131nlatma:<\/strong>
    \nFotosentez ara\u015ft\u0131rmalar\u0131nda, kuantum verimi 400-700 nm aral\u0131\u011f\u0131ndaki PAR'a (Fotosentetik Aktif Radyasyon) ba\u011fl\u0131d\u0131r. Bu teknik olarak radyometrik bir \u00f6l\u00e7\u00fcm (\u03bcmol\/m\u00b2\/s) olsa da, ara\u015ft\u0131rmac\u0131lar bunu genellikle LS103'ten al\u0131nan l\u00fcks de\u011ferleriyle ili\u015fkilendirirler. LMS-6000S (uzamsal \u0131\u015f\u0131n\u0131m i\u00e7in kosin\u00fcs al\u0131c\u0131l\u0131 bir varyant), ara\u015ft\u0131rmac\u0131lar\u0131n kuantum ak\u0131 yo\u011funlu\u011funu do\u011fru bir \u015fekilde hesaplamak i\u00e7in spektral tarama yapmalar\u0131na olanak tan\u0131rken, LS103 b\u00fcy\u00fcme odalar\u0131nda uzamsal \u0131zgaralar kurmak i\u00e7in anl\u0131k l\u00fcks de\u011ferleri sa\u011flar.<\/p>\n

    8. LMS-6000SF'nin Titre\u015fim ve Ge\u00e7ici Olay \u00d6l\u00e7\u00fcm\u00fcndeki Rol\u00fc<\/h3>\n

    Modern LED s\u00fcr\u00fcc\u00fcleri, \u0131\u015f\u0131k mod\u00fclasyonuna (titre\u015fim) yol a\u00e7an ak\u0131m dalgalanmas\u0131na neden olur. LS103 ortalama bir DC sinyali sa\u011flasa da, ge\u00e7ici mod\u00fclasyonu alg\u0131layamaz. LMS-6000SF<\/strong> (H\u0131zl\u0131 versiyon) bu ama\u00e7 i\u00e7in tasarlanm\u0131\u015ft\u0131r. H\u0131zl\u0131 spektral de\u011fi\u015fimleri yakalayabilen y\u00fcksek h\u0131zl\u0131 veri toplama \u00f6zelli\u011fine sahiptir. Bu g\u00f6rev i\u00e7in \u00f6zel bir titre\u015fim \u00f6l\u00e7er (\u00f6rne\u011fin, LISUN LFA-2000) optimize edilmi\u015f olsa da, LMS-6000SF m\u00fchendislerin spektral analiz yapmas\u0131na olanak tan\u0131r. s\u0131ras\u0131nda<\/em> Bir nab\u0131z. Bu, kritik \u00f6neme sahiptir. Denizcilik ve Seyir Ayd\u0131nlatmas\u0131<\/em>, Burada, yan\u0131p s\u00f6nen i\u015faret lambalar\u0131n\u0131n, di\u011fer gemilerden gelen uyar\u0131 \u0131\u015f\u0131klar\u0131ndan ay\u0131rt edilebilmeleri i\u00e7in, darbe s\u00fcresi boyunca sabit bir renk do\u011frulu\u011funu korumalar\u0131 gerekir.<\/p>\n

    Bu ba\u011flamda LS103, sabit durum kurulum arac\u0131 olarak kullan\u0131l\u0131r; yani fenerin ortalama \u0131\u015f\u0131k \u015fiddetinin, IALA (Uluslararas\u0131 Deniz Seyir Yard\u0131mc\u0131lar\u0131 ve Fener Otoriteleri Birli\u011fi) tavsiyelerinde belirtilen 10% e\u015fik kriterlerini kar\u015f\u0131lamas\u0131n\u0131 sa\u011flar.<\/p>\n

    9. Operasyonel Metodoloji: LS103 ve LMS-6000'in Kalite G\u00fcvence \u0130\u015f Ak\u0131\u015flar\u0131na Entegrasyonu<\/h3>\n

    Sa\u011flam bir kalite g\u00fcvence protokol\u00fc Ayd\u0131nlatma Sekt\u00f6r\u00fc<\/em> Kademeli bir \u00f6l\u00e7\u00fcm hiyerar\u015fisi i\u00e7erir:<\/p>\n

      \n
    1. Gelen Mallar\u0131n Kontrol\u00fc:<\/strong> LED partileri geldi\u011finde, teknisyenler LS103 cihaz\u0131n\u0131 kullanarak sabit bir mesafedeki referans armat\u00fcr\u00fcn ayd\u0131nlatma \u015fiddetini \u00f6rneklem y\u00f6ntemiyle test ederler. L\u00fcks testinde ba\u015far\u0131s\u0131z olan ayk\u0131r\u0131 \u00f6rnekler i\u015faretlenir.<\/li>\n
    2. Numune Analizi Ba\u015far\u0131s\u0131z Oldu:<\/strong> \u0130\u015faretlenen numuneler daha sonra LMS-6000 analizi i\u00e7in laboratuvara g\u00f6t\u00fcr\u00fcl\u00fcr. Spektroradyometre, ar\u0131zan\u0131n temel nedenini belirler; bu, s\u0131cakl\u0131\u011fa ba\u011fl\u0131 renk kaymas\u0131 (CCT kaymas\u0131) veya fosfor bozulmas\u0131na ba\u011fl\u0131 \u0131\u015f\u0131k ak\u0131s\u0131 d\u00fc\u015f\u00fc\u015f\u00fc olabilir. Bu te\u015fhis yetene\u011fi LS103'te bulunmamaktad\u0131r, ancak LMS-6000'in ba\u015fl\u0131ca rekabet avantaj\u0131d\u0131r.<\/li>\n
    3. Do\u011frulama ve Denetim:<\/strong> Son kalite denetimleri i\u00e7in LS103, uyumluluk raporlar\u0131 i\u00e7in \u00f6l\u00e7\u00fcmlerin bas\u0131l\u0131 bir kayd\u0131n\u0131 sa\u011flar. Y\u00fcksek de\u011ferli sertifikasyonlar i\u00e7in LMS-6000, spektral \u0131\u015f\u0131n\u0131m\u0131 hesaplayarak ve mavi \u0131\u015f\u0131k tehlikesi a\u011f\u0131rl\u0131kl\u0131 \u0131\u015f\u0131n\u0131m\u0131 de\u011ferlendirerek eksiksiz bir fotobiyolojik g\u00fcvenlik raporu (IEC 62471) olu\u015fturur.<\/li>\n<\/ol>\n

      10. Kalibrasyon \u0130zlenebilirli\u011fi ve Bak\u0131m Protokolleri<\/h3>\n

      \u00d6l\u00e7\u00fcm do\u011frulu\u011funu korumak i\u00e7in periyodik yeniden kalibrasyon gereklidir. LISUN LS103 kalibrasyon prosed\u00fcr\u00fc, bilinen bir CCT'ye (tipik olarak CIE Ayd\u0131nlat\u0131c\u0131 A'ya g\u00f6re 2856K Renk S\u0131cakl\u0131\u011f\u0131) sahip standart bir halojen lamba ile do\u011frulamay\u0131 i\u00e7erir. Fotometre ba\u015fl\u0131\u011f\u0131 bilinen bir mesafeye yerle\u015ftirilir ve l\u00fcks de\u011feri standart de\u011ferle kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r.<\/p>\n

      LMS-6000 i\u00e7in kalibrasyon iki a\u015famal\u0131 bir i\u015flemdir:<\/p>\n

        \n
      1. Wavelength Calibration:<\/strong> Using a spectral lamp (e.g., Mercury-Argon or Krypton) to map pixel position to wavelength.<\/li>\n
      2. Intensity Calibration:<\/strong> Using a standard spectral irradiance lamp to determine the absolute response factor of the CCD across the entire spectral range.<\/li>\n<\/ol>\n

        While the LS103 is robust for field use, the LMS-6000 requires a temperature-stable environment (around 23\u00b12\u00b0C) to prevent wavelength shifting of the optics. This distinction ensures that while the LS103 handles the harsh environment of Sahne ve St\u00fcdyo Ayd\u0131nlatmas\u0131<\/em> setups, the LMS-6000 remains in the controlled environment of the measurement lab, serving as the master reference.<\/p>\n

        11. Economic Considerations and Total Cost of Ownership<\/h3>\n

        From a perspective of Optical Instrument R&D<\/em>, the procurement of both instruments is justified by operational efficiency. The LISUN LS103 offers a low-cost, highly portable solution for assembly line checks and field audits. Its battery life and rugged housing make it suitable for continuous use. Conversely, the LMS-6000S represents a significant capital investment. However, its utility extends beyond simple lux measurement\u2014it replaces the need for separate colorimeters, spectral radiometers, and integrating sphere accessories for small to medium-sized modules, thereby reducing total capital expenditure for a Scientific Research Laboratory<\/em>.<\/p>\n

        The synergy lies in redundancy: if the LMS-6000 is busy with R&D tasks, the production floor quality checks can continue uninterrupted with the LS103. In the Fotovoltaik End\u00fcstrisi<\/em>, for example, the LMS-6000 is used to characterize the solar simulator\u2019s spectral output every morning; during the day, the LS103 is used to monitor the test bench stability, ensuring that the simulator maintains the calibrated intensity for cell testing.<\/p>\n

        12. Future-Proofing Measurements: Mesopic Photometry and Beyond<\/h3>\n

        The final frontier in photometry involves mesopic vision (intermediate light levels). Current photometric units are based on photopic vision, which underestimates the visual efficacy of blue light at low luminance levels. The Kentsel Ayd\u0131nlatma Tasar\u0131m\u0131<\/em> sector is shifting towards mesopic models to design dimmer, more energy-efficient streetlights. Neither the LS103 nor the LMS-6000 directly implements the S\/P (Scotopic\/Photopic) ratio calculation automatically. However, the SPD data from the LMS-6000 allows engineers to calculate the S\/P ratio in post-processing software. This enables designers to predict how a LED lamp will perform at night, allowing them to lower lux levels while maintaining perceived brightness\u2014a sustainability advantage that the physical filter in the LS103 cannot provide.<\/p>\n

        The LS103, however, remains the preferred instrument for verifying that the actual<\/em> photopic lux levels meet legal safety minima, ensuring the convergence of energy efficiency codes and public safety regulations.<\/p>\n

        \n

        FAQ<\/h3>\n

        Q1: Is the LISUN LS103 suitable for measuring the illuminance of OLED panels?<\/strong>
        \nYes. OLEDs have a near-Lambertian emission pattern. The LS103\u2019s cosine-corrected diffuser is highly suitable for measuring the normal illuminance of planar panels. However, for determining the luminance (cd\/m\u00b2) of a display, a luminance meter or a spectroradiometer with a lens (such as the LMS-6000F with a photometric lens) is recommended, as measuring illuminance with a lux meter cannot calculate display luminance without a known area.<\/p>\n

        Q2: Can the LISUN LMS-6000 replace the need for the LS103 entirely?<\/strong>
        \nWhile the LMS-6000 performs comprehensive spectral analysis, it is primarily designed for laboratory environments and requires warm-up time and stable conditions. The LS103 is more rugged and provides instantaneous readings that don’t require software analysis. For high-volume production testing where a pass\/fail lux threshold is the absolute requirement, the LS103 offers faster throughput and simpler operator training.<\/p>\n

        Q3: What is the primary source of error in the LS103 when measuring blue LEDs?<\/strong>
        \nThe primary error source is residual f1'\u2019<\/em> spectral mismatch. Even with V(\u03bb) correction, a small mismatch in the 400-450nm region can lead to overestimation of illuminance for monochromatic blue LEDs. If the blue LED has a peak at 420nm, the filter cutoff may not perfectly match the steep rise of the standard V(\u03bb) curve. This is why sample audits with the LMS-6000 are necessary to calculate a correction factor for the LS103 when specific narrowband sources are used.<\/p>\n

        Q4: How often should the LS103 be recalibrated?<\/strong>
        \nWe recommend a recalibration interval of 12 months or 3,000 operating hours, whichever comes first. If the instrument is used in high-vibration environments, check calibration biannually. The LMS-6000 should also be sent for annual recalibration, specifically checking the wavelength axis drift which can occur due to thermal cycling of the holographic grating.<\/p>","protected":false},"excerpt":{"rendered":"

        Photometric Precision in Solid-State Lighting: The LISUN LS103 and Integrated Spectroradiometric Verification for Modern Quality Assurance Abstract The evolution of solid-state lighting (SSL) and display technologies has imposed stringent requirements on photometric instrumentation. While illuminance meters remain the cornerstone of routine lux measurement, the inherent spectral power distribution (SPD) variations in LEDs necessitate a dual-tier […]<\/p>\n","protected":false},"author":1,"featured_media":3419,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1152],"class_list":["post-9632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-par-light-meter"],"_links":{"self":[{"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/posts\/9632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/comments?post=9632"}],"version-history":[{"count":1,"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/posts\/9632\/revisions"}],"predecessor-version":[{"id":9633,"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/posts\/9632\/revisions\/9633"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/media\/3419"}],"wp:attachment":[{"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/media?parent=9632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/categories?post=9632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ledtestsystem.com\/tr\/wp-json\/wp\/v2\/tags?post=9632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}