{"id":14166,"date":"2023-09-24T15:24:26","date_gmt":"2023-09-24T15:24:26","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=14166"},"modified":"2023-12-26T08:44:53","modified_gmt":"2023-12-26T08:44:53","slug":"what-is-transmittance","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/it\/glossario\/che-cose-la-trasmittanza","title":{"rendered":"Che cos'\u00e8 la trasmittanza"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-transmittance\">Che cos'\u00e8 la trasmittanza<\/h2><p>La trasmittanza \u00e8 la misura della quantit\u00e0 di luce che riesce a passare attraverso una superficie o un materiale. \u00c8 una propriet\u00e0 ottica fondamentale che quantifica la capacit\u00e0 di un materiale di trasmettere la luce. <\/p><p>Quando la luce interagisce con una superficie o un materiale, pu\u00f2 essere trasmessa, riflessa o assorbita. La trasmittanza si concentra in particolare sulla porzione di luce che passa attraverso l'altro lato della superficie. \u00c8 strettamente legata al concetto di riflettanza, che misura la quantit\u00e0 di luce riflessa da una superficie.<\/p><p>La trasmittanza \u00e8 espressa come rapporto tra l'intensit\u00e0 della luce trasmessa (I) e l'intensit\u00e0 della luce incidente (I0). Questo rapporto \u00e8 indicato con T. Il valore della trasmittanza rappresenta la percentuale di luce incidente che riesce a passare attraverso il materiale.<\/p><div class=\"insert_inquiry_outer_wrapper\"><h3>Cercate soluzioni per il risparmio energetico attivate dal movimento?<\/h3><p>Contattateci per avere sensori di movimento PIR completi, prodotti per il risparmio energetico attivati dal movimento, interruttori per sensori di movimento e soluzioni commerciali Occupancy\/Vacancy.<\/p><div class = \"insert_inquiry_buttons\"><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email\"><div><a href = \"mailto:info@rayzeek.com\"><p>Inviare un'e-mail<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email_contact\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/contatto\"><p>Modulo di contatto<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_chat chat_jump\"><div><a href=\"#\"><p>Conversare in linea<\/p><\/a><\/div><\/div><\/div><\/div><p>Ad esempio, si consideri un blocco di vetro semitrasparente. Se 30% della luce incidente viene riflessa dalla superficie del vetro e 35% viene assorbita dalle molecole del vetro, le restanti 35% di luce passeranno attraverso l'altro lato del blocco. In questo caso, il vetro ha una trasmittanza di 35%.<\/p><p>La trasmittanza \u00e8 importante perch\u00e9 influisce sulle prestazioni e sull'efficienza dei sistemi di illuminazione. Conoscendo la trasmittanza dei diversi materiali, i professionisti dell'illuminazione possono prendere decisioni informate sulla scelta dei materiali e sulla progettazione dei sistemi di illuminazione per ottenere i livelli di illuminazione e l'efficienza energetica desiderati.<\/p><div class=\"insert_portfolio_outer_wrapper\"><h3>Ispiratevi ai portafogli dei sensori di movimento Rayzeek.<\/h3><p>Non trovate quello che volete? Non preoccupatevi. Ci sono sempre modi alternativi per risolvere i vostri problemi. Forse uno dei nostri portafogli pu\u00f2 aiutarvi.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/it\/categoria-di-prodotto\/sensori-di-movimento\"><p>Sensori di movimento PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/interruttori-a-sensore-di-movimento\"><p>Interruttori con sensore di movimento<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/sensori-di-occupazione-e-di-posto-vacante\"><p>Sensori di presenza<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/prodotti\/rz050\"><p>Sensore di movimento del condizionatore d'aria<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/categoria-di-prodotto\/motion-sensor-light-strip\"><p>Strisce luminose con sensore di movimento<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/categoria-di-prodotto\/dimmer-a-sensore-dc\"><p>Sensori di movimento\/dimmer a bassa tensione in c.c.<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/it\/categoria-di-prodotto\/sensori-di-movimento-wireless\"><p>Kit di sensori di movimento wireless<\/p><\/a><\/div><\/div><\/div><\/div><div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">Domande frequenti<\/h2>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-12-light-transmission-mean\">Che cosa significa 12% Trasmissione della luce<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La trasmissione della luce visiva, nota anche come VLT, si riferisce alla percentuale di luce visibile che pu\u00f2 passare attraverso una lente. Nel caso di una lente con un VLT di 12%, significa che solo 12% della luce \u00e8 in grado di passare, mentre i restanti 88% sono bloccati.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-13-light-transmission-mean\">Che cosa significa 13% Trasmissione della luce<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La trasmissione della luce visibile (VLT) \u00e8 un termine che si incontra comunemente quando si studiano gli occhiali da sole. Si riferisce alla quantit\u00e0 di luce che passa attraverso la lente e raggiunge l'occhio. Nel caso della trasmissione della luce 13%, significa che una percentuale minore di luce viene trasmessa attraverso la lente. Ci\u00f2 indica che gli occhiali da sole hanno un VLT inferiore rispetto agli occhiali da sole standard, che in genere hanno un VLT compreso tra 15 e 25%.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-an-example-of-light-transmittance\">Qual \u00e8 un esempio di trasmittanza luminosa<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La trasmissione della luce \u00e8 il processo con cui la luce attraversa un materiale trasparente o traslucido. Un esempio di trasmissione della luce \u00e8 quando la luce del sole entra in una stanza attraverso una finestra, illuminandola.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-the-purpose-of-transmittance\">Qual \u00e8 lo scopo della trasmittanza<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Lo scopo della trasmittanza \u00e8 quello di aiutare a identificare le sostanze sconosciute e a determinarne la concentrazione in un campione. Utilizzando una serie di standard e una tabella di trasmittanza-assorbanza, i valori di trasmittanza possono essere rapidamente convertiti in assorbanza sia in laboratorio che sul campo.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-a-high-percent-light-transmittance-mean\">Che cosa significa un'alta percentuale di trasmissione della luce?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Pertanto, un'alta percentuale di trasmittanza luminosa indica che l'assorbimento della luce \u00e8 minimo o nullo. Al contrario, una bassa percentuale di trasmittanza luminosa indica una maggiore quantit\u00e0 di luce assorbita. Nel caso in cui un campione assorba completamente la luce, la trasmittanza percentuale sar\u00e0 pari a zero.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-transmittance-vs-absorbance-of-light\">Che cos'\u00e8 la trasmittanza e l'assorbanza della luce?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La trasmittanza si riferisce alla misurazione della quantit\u00e0 di luce che attraversa il campione, mentre l'assorbanza si riferisce alla misurazione della quantit\u00e0 di luce che viene assorbita dal campione.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-100-transmittance-mean\">Cosa significa 100 di trasmittanza<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Una trasmittanza di 100 indica che il composto lascia passare l'intera frequenza senza alcun assorbimento.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-low-transmittance-mean\">Cosa significa bassa trasmittanza<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Valori pi\u00f9 bassi della trasmittanza dell'% indicano che il composto assorbe una parte dell'energia, con conseguente comparsa di picchi verso il basso.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-light-transmittance-value\">Che cos'\u00e8 il valore di trasmittanza luminosa<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La trasmittanza della luce visibile (VLT) si riferisce alla percentuale di luce visibile che pu\u00f2 passare attraverso un materiale vetrato. \u00c8 un fattore importante per ottimizzare l'illuminazione diurna.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>La trasmittanza \u00e8 la misura della quantit\u00e0 di luce che riesce a passare attraverso una superficie o un materiale. \u00c8 una propriet\u00e0 ottica fondamentale che quantifica la capacit\u00e0 di un materiale di trasmettere la luce.<\/p>","protected":false},"author":4,"featured_media":12861,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"reflectance\", \"idxall\": 0, \"keywordtitlesimi\": 0.9341383576393127, \"keywordslugsimi\": 0.9341383576393127, \"paratitlesimi\": 0.7622657418251038, \"paraslugsimi\": 0.7622657418251038, \"slug\": \"what-is-reflectance\", \"title\": \"What is Reflectance\", \"id\": 13992}, {\"keyword\": \"performance and efficiency of lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.8374252080917359, \"keywordslugsimi\": 0.8374252080917359, \"paratitlesimi\": 0.6333796083927155, \"paraslugsimi\": 0.6333796083927155, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"reflected\", 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