{"id":13866,"date":"2023-08-21T02:32:13","date_gmt":"2023-08-21T02:32:13","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13866"},"modified":"2023-12-26T08:41:04","modified_gmt":"2023-12-26T08:41:04","slug":"what-is-par-light","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/fr\/glossaire\/quest-ce-que-la-lumiere-partielle","title":{"rendered":"Qu'est-ce que le Par Light ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-par-light\">Qu'est-ce que le Par Light ?<\/h2><p>La lumi\u00e8re PAR, \u00e9galement connue sous le nom de rayonnement photosynth\u00e9tiquement actif (PAR), est une gamme sp\u00e9cifique de longueurs d'onde lumineuses comprises entre 400 et 700 nanom\u00e8tres (nm) qui sont essentielles pour stimuler la photosynth\u00e8se chez les plantes. Cette gamme comprend toutes les couleurs du spectre visible, y compris la lumi\u00e8re verte, qui est souvent r\u00e9fl\u00e9chie par les feuilles des plantes, ce qui leur donne leur apparence verte. Malgr\u00e9 la r\u00e9flexion de la lumi\u00e8re verte, la recherche a montr\u00e9 qu'elle joue un r\u00f4le important dans la photosynth\u00e8se et qu'elle offre d'autres avantages tels que la lutte biologique contre les parasites.<\/p><div class=\"insert_portfolio_outer_wrapper\"><h3>Inspirez-vous des portefeuilles de d\u00e9tecteurs de mouvement Rayzeek.<\/h3><p>Vous ne trouvez pas ce que vous voulez ? Ne vous inqui\u00e9tez pas. Il existe toujours d'autres moyens de r\u00e9soudre vos probl\u00e8mes. L'un de nos portefeuilles peut peut-\u00eatre vous aider.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/capteurs-de-mouvement\"><p>D\u00e9tecteurs de mouvement PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/interrupteurs-a-detecteur-de-mouvement\"><p>Interrupteurs \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/capteurs-doccupation-et-dinoccupation\"><p>Capteurs d\u2019occupation<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/produits\/rz050\"><p>D\u00e9tecteur de mouvement pour climatiseur<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/motion-sensor-light-strip\"><p>Rubans lumineux \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/dc-sensor-dimmer\"><p>D\u00e9tecteurs de mouvement\/d\u00e9tecteurs d'intensit\u00e9 \u00e0 basse tension \u00e0 courant continu<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/capteurs-de-mouvement-sans-fil\"><p>Kits de d\u00e9tecteurs de mouvement sans fil<\/p><\/a><\/div><\/div><\/div><\/div><p>Dans le secteur de l'\u00e9clairage horticole, la lumi\u00e8re PAR est un \u00e9l\u00e9ment cl\u00e9 \u00e0 prendre en compte lors de l'\u00e9valuation des syst\u00e8mes d'\u00e9clairage pour une croissance optimale des plantes. Il est important de noter que PAR n'est pas une mesure ou une m\u00e9trique comme les pieds ou les kilos, mais plut\u00f4t une d\u00e9signation de la gamme sp\u00e9cifique de longueurs d'onde de la lumi\u00e8re qui sont essentielles pour la croissance des plantes. Lors de la recherche de syst\u00e8mes d'\u00e9clairage horticole, trois param\u00e8tres cl\u00e9s sont souvent pris en compte : Le flux de photons photosynth\u00e9tiques (PPF), qui quantifie la quantit\u00e9 totale de PAR \u00e9mise par l'appareil d'\u00e9clairage ; la densit\u00e9 du flux de photons photosynth\u00e9tiques (PPFD), qui mesure la quantit\u00e9 de PAR atteignant la surface des plantes par unit\u00e9 de surface et par seconde, fournissant des informations sur l'intensit\u00e9 de PAR disponible pour la photosynth\u00e8se ; et l'efficacit\u00e9 des photons, qui \u00e9value l'efficacit\u00e9 \u00e9nerg\u00e9tique de l'appareil dans la conversion de l'\u00e9nergie \u00e9lectrique en PAR utilisable pour la croissance des plantes.<\/p><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\">Questions fr\u00e9quemment pos\u00e9es<\/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-is-the-difference-between-flood-light-par30-and-par38\">Quelle est la diff\u00e9rence entre les projecteurs PAR30 et PAR38 ?<\/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>Les ampoules PAR30 sont couramment utilis\u00e9es dans les grandes pi\u00e8ces comportant plusieurs appareils d'\u00e9clairage, en particulier pour l'\u00e9clairage de poursuite avec les ampoules \u00e0 col court et les bo\u00eetes encastr\u00e9es avec les ampoules \u00e0 col long. En revanche, les ampoules PAR38 sont principalement con\u00e7ues pour l'\u00e9clairage ext\u00e9rieur. Elles sont souvent utilis\u00e9es pour l'\u00e9clairage g\u00e9n\u00e9ral et l'\u00e9clairage de s\u00e9curit\u00e9.<\/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-can-i-use-br30-instead-of-par30\">Puis-je utiliser BR30 au lieu de PAR30 ?<\/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>\u00c0 l'inverse, les ampoules PAR30 ont un angle de rayonnement \u00e9troit qui permet d'\u00e9clairer de mani\u00e8re cibl\u00e9e une zone donn\u00e9e. Il est toutefois possible de remplacer une ampoule PAR30 par une ampoule BR30. Les deux ampoules sont interchangeables et peuvent \u00eatre utilis\u00e9es dans des bo\u00eetiers d'appareils encastr\u00e9s de m\u00eame taille.<\/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-is-par-the-same-as-lumens\">Est-ce que PAR est la m\u00eame chose que Lumens ?<\/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>Le lumen est une unit\u00e9 de mesure qui quantifie la luminosit\u00e9 per\u00e7ue par l'\u0153il humain \u00e0 partir d'une source lumineuse, et il est mesur\u00e9 en bougies de pied ou en LUX. D'autre part, le PAR (rayonnement actif photosynth\u00e9tique) fait r\u00e9f\u00e9rence \u00e0 l'\u00e9nergie lumineuse mesur\u00e9e en flux de photons quantiques que les plantes utilisent pour la photosynth\u00e8se.<\/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-a-par-64-light-for\">A quoi sert une lampe PAR 64 ?<\/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>Parmi toutes les lampes PAR disponibles, la lampe halog\u00e8ne au tungst\u00e8ne PAR64, d'une puissance de 1000 watts, est couramment utilis\u00e9e pour l'\u00e9clairage dans l'industrie du spectacle. Cette lampe particuli\u00e8re a un diam\u00e8tre de lentille de 8 pouces et peut \u00eatre trouv\u00e9e dans 4 r\u00e9partitions de faisceau diff\u00e9rentes, allant d'un spot tr\u00e8s \u00e9troit \u00e0 un large faisceau.<\/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-par-is-considered-high-light\">Quel est le PAR consid\u00e9r\u00e9 comme \u00e9tant \u00e0 haute luminosit\u00e9 ?<\/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>Sur Tidal Garden, les niveaux de lumi\u00e8re sont class\u00e9s comme faibles (30-50 PAR), moyens (50-150 PAR) et \u00e9lev\u00e9s (150+ PAR). En revanche, Vivid Aquariums classe les niveaux de lumi\u00e8re dans les cat\u00e9gories faible-mod\u00e9r\u00e9 (80-250 PAR), mod\u00e9r\u00e9 (150-250 PAR) et mod\u00e9r\u00e9-\u00e9lev\u00e9 (200-300 PAR).<\/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-par-56-mean\">Que signifie PAR 56 ?<\/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>PAR 56 d\u00e9signe un type de lampe qui comprend un r\u00e9flecteur. Le terme PAR signifie \"parabolic aluminized reflector\" (r\u00e9flecteur parabolique alumin\u00e9). Les tailles PAR-64 et PAR-56 sont couramment utilis\u00e9es aux \u00c9tats-Unis pour d\u00e9crire le diam\u00e8tre du bo\u00eetier en pouces.<\/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-difference-between-par-and-fresnel-light\">Quelle est la diff\u00e9rence entre la lumi\u00e8re PAR et la lumi\u00e8re de Fresnel ?<\/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 lumi\u00e8re de Fresnel produit une qualit\u00e9 de lumi\u00e8re plus attrayante qui peut \u00eatre dirig\u00e9e directement sur le sujet pour obtenir une apparence cin\u00e9matographique. En revanche, les lumi\u00e8res PAR (Parabolic Aluminized Reflector) \u00e9mettent une lumi\u00e8re plus dure avec une forme elliptique, mais elles offrent l'avantage d'un rendement plus \u00e9lev\u00e9 pour une puissance donn\u00e9e.<\/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-does-adding-more-lights-increase-par\">L'ajout de lampes augmente-t-il le PAR ?<\/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>Non, l'ajout de lumi\u00e8res suppl\u00e9mentaires ne doublera pas le PAR. Cependant, cela augmentera la valeur PAR dans les zones o\u00f9 il y a un chevauchement de lumi\u00e8re.<\/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-can-i-use-a19-instead-of-par38\">Puis-je utiliser A19 au lieu de PAR38 ?<\/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>Les ampoules A19 et PAR38 ont un aspect similaire \u00e0 celui de n'importe quelle autre ampoule A19 ou PAR38 standard. C'est essentiel car elles doivent \u00eatre compatibles avec les luminaires standard. En g\u00e9n\u00e9ral, l'ampoule A19 convient \u00e0 la plupart des luminaires, tandis que l'ampoule PAR38 est plus couramment utilis\u00e9e dans les chapeaux et autres luminaires sp\u00e9cifiques.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>La lumi\u00e8re PAR, \u00e9galement connue sous le nom de rayonnement photosynth\u00e9tiquement actif (PAR), est une gamme sp\u00e9cifique de longueurs d'ondes lumineuses comprises entre 400 et 700 nanom\u00e8tres (nm) qui sont essentielles pour stimuler la photosynth\u00e8se chez les plantes.<\/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\": \"visible spectrum\", \"idxall\": 0, \"keywordtitlesimi\": 0.9309371113777161, \"keywordslugsimi\": 0.9309371113777161, \"paratitlesimi\": 0.7263258695602417, \"paraslugsimi\": 0.7263258695602417, \"slug\": \"what-is-visible-light-spectrum\", \"title\": \"What is Visible Light Spectrum\", \"id\": 14093}, {\"keyword\": \"visible spectrum\", \"idxall\": 0, \"keywordtitlesimi\": 0.8460415601730347, \"keywordslugsimi\": 0.8460415601730347, \"paratitlesimi\": 0.7343668341636658, \"paraslugsimi\": 0.7343668341636658, \"slug\": \"what-is-visible-light\", \"title\": \"What is Visible Light\", \"id\": 14198}, {\"keyword\": \"visible spectrum\", \"idxall\": 0, \"keywordtitlesimi\": 0.8332922458648682, \"keywordslugsimi\": 0.8332922458648682, \"paratitlesimi\": 0.6945362091064453, \"paraslugsimi\": 0.6945362091064453, \"slug\": \"what-is-light-spectrum\", \"title\": \"What is Light Spectrum\", \"id\": 14060}, {\"keyword\": \"reflection of green light\", \"idxall\": 0, \"keywordtitlesimi\": 0.7955285906791687, \"keywordslugsimi\": 0.7955285906791687, \"paratitlesimi\": 0.6464229226112366, \"paraslugsimi\": 0.6464229226112366, \"slug\": \"what-is-light-reflection\", \"title\": \"What is Light Reflection\", \"id\": 13849}, {\"keyword\": \"visible spectrum\", \"idxall\": 0, \"keywordtitlesimi\": 0.7903258204460144, \"keywordslugsimi\": 0.7903258204460144, \"paratitlesimi\": 0.6743189096450806, \"paraslugsimi\": 0.6743189096450806, \"slug\": \"what-is-light-spectra\", \"title\": \"What is Light Spectra\", \"id\": 13889}, {\"keyword\": \"visible spectrum\", \"idxall\": 0, \"keywordtitlesimi\": 0.7886998653411865, \"keywordslugsimi\": 0.7886998653411865, \"paratitlesimi\": 0.6384859681129456, \"paraslugsimi\": 0.6384859681129456, \"slug\": \"what-is-electromagnetic-spectrum\", \"title\": \"What is Electromagnetic Spectrum\", \"id\": 13731}, {\"keyword\": \"visible spectrum\", \"idxall\": 0, \"keywordtitlesimi\": 0.7792385816574097, \"keywordslugsimi\": 0.7792385816574097, \"paratitlesimi\": 0.6738410592079163, \"paraslugsimi\": 0.6738410592079163, \"slug\": \"what-is-led-light-spectrum\", \"title\": \"What is LED Light Spectrum\", \"id\": 13280}, {\"keyword\": \"visible spectrum\", \"idxall\": 0, \"keywordtitlesimi\": 0.7721373438835144, \"keywordslugsimi\": 0.7721373438835144, \"paratitlesimi\": 0.6884168386459351, \"paraslugsimi\": 0.6884168386459351, \"slug\": \"what-is-full-spectrum-light\", \"title\": \"What is Full Spectrum Light\", \"id\": 13323}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Par Light","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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