{"id":13866,"date":"2023-08-21T02:32:13","date_gmt":"2023-08-21T02:32:13","guid":{"rendered":"https:\/\/staging.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:\/\/staging.rayzeek.com\/fr\/glossary\/what-is-par-light\/","title":{"rendered":"Qu'est-ce qu'un \u00e9clairage PAR ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-par-light\">Qu'est-ce qu'un \u00e9clairage PAR ?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">L'\u00e9clairage PAR, \u00e9galement connu sous le nom de rayonnement photosynth\u00e9tiquement actif (PAR), d\u00e9signe une plage sp\u00e9cifique de longueurs d'onde lumineuses comprises entre 400 et 700 nanom\u00e8tres (nm), essentielles pour stimuler la photosynth\u00e8se chez les plantes. Cette plage comprend toutes les couleurs du spectre visible, y compris la lumi\u00e8re verte, qui est souvent r\u00e9fl\u00e9chie par les feuilles des plantes, leur donnant leur aspect vert. Malgr\u00e9 cette r\u00e9flexion, les recherches ont d\u00e9montr\u00e9 que la lumi\u00e8re verte joue un r\u00f4le significatif dans la photosynth\u00e8se et offre des avantages suppl\u00e9mentaires, notamment en mati\u00e8re de lutte biologique contre les parasites.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>Laissez-vous inspirer par les portfolios de d\u00e9tecteurs de mouvement Rayzeek.<\/h3><p>Vous ne trouvez pas ce que vous cherchez ? Ne vous inqui\u00e9tez pas. Il existe toujours d'autres solutions \u00e0 vos besoins. L'un de nos portfolios peut sans doute vous aider.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/product-category\/motion-sensors\"><p>D\u00e9tecteurs de mouvement PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>Interrupteurs \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>D\u00e9tecteurs de pr\u00e9sence<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/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\/product-category\/motion-sensor-light-strip\"><p>Rubans LED \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><p>D\u00e9tecteurs de mouvement\/gradateurs basse tension CC<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>Kits de d\u00e9tecteurs de mouvement sans fil<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le secteur de l'\u00e9clairage horticole, le rayonnement PAR est un \u00e9l\u00e9ment cl\u00e9 lors de l'\u00e9valuation des syst\u00e8mes d'\u00e9clairage pour une croissance optimale des plantes. Il convient de noter que le PAR n'est pas une mesure ou une unit\u00e9 m\u00e9trique comme les m\u00e8tres ou les kilos, mais plut\u00f4t une d\u00e9signation pour la plage sp\u00e9cifique de longueurs d'onde lumineuses indispensables au d\u00e9veloppement v\u00e9g\u00e9tal. Lors de la recherche de syst\u00e8mes d'\u00e9clairage horticole, trois indicateurs cl\u00e9s sont g\u00e9n\u00e9ralement pris en compte : le flux de photons photosynth\u00e9tiques (PPF), qui quantifie la quantit\u00e9 totale de PAR \u00e9mise par le luminaire ; la densit\u00e9 de 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, informant sur l'intensit\u00e9 du PAR disponible pour la photosynth\u00e8se ; et l'efficacit\u00e9 photonique, qui \u00e9value l'efficacit\u00e9 \u00e9nerg\u00e9tique du luminaire \u00e0 convertir l'\u00e9nergie \u00e9lectrique en PAR utilisable pour la croissance des plantes.<\/p>\n\n\n\n<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\">Foire aux questions<\/h2>\n\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\">\n<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 un projecteur PAR30 et PAR38 ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">Les ampoules PAR30 sont couramment utilis\u00e9es dans les grandes pi\u00e8ces comportant plusieurs luminaires, en particulier pour les \u00e9clairages sur rail avec des ampoules \u00e0 culot court et les encastr\u00e9s de plafond avec des ampoules \u00e0 culot long. En revanche, les ampoules PAR38 sont principalement con\u00e7ues pour l'\u00e9clairage ext\u00e9rieur. Elles sont fr\u00e9quemment employ\u00e9es comme projecteurs g\u00e9n\u00e9raux et \u00e9clairages de s\u00e9curit\u00e9.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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 une ampoule BR30 au lieu d'une PAR30 ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">\u00c0 l'inverse, les ampoules PAR30 poss\u00e8dent un faisceau \u00e9troit offrant un \u00e9clairage cibl\u00e9 sur une zone donn\u00e9e. Il est toutefois possible de remplacer une ampoule PAR30 par une ampoule BR30. Ces deux ampoules sont interchangeables et peuvent \u00eatre install\u00e9es dans des bo\u00eetiers encastr\u00e9s de m\u00eame dimension.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\">Le PAR est-il la m\u00eame chose que les lumens ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">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 se mesure en foot-candles ou en LUX. D'autre part, le PAR (rayonnement photosynth\u00e9tiquement actif) d\u00e9signe l'\u00e9nergie lumineuse mesur\u00e9e en flux de photons quantiques que les plantes utilisent pour la photosynth\u00e8se.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\">\u00c0 quoi sert un projecteur PAR 64 ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">De toutes les lampes PAR disponibles, la lampe halog\u00e8ne au tungst\u00e8ne PAR64 d'une puissance de 1000 W est couramment utilis\u00e9e pour l'\u00e9clairage dans le secteur du spectacle. Cette lampe particuli\u00e8re poss\u00e8de une lentille d'un diam\u00e8tre de 8 pouces et existe en 4 angles de faisceau diff\u00e9rents, allant du faisceau tr\u00e8s \u00e9troit (spot) au faisceau large (flood).<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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 niveau de PAR est consid\u00e9r\u00e9 comme un \u00e9clairage fort ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">Sur Tidal Garden, les niveaux de lumi\u00e8re sont class\u00e9s en Faible (30-50 PAR), Moyen (50-150 PAR) et Fort (150+ PAR). Cependant, Vivid Aquariums classe les niveaux d'\u00e9clairage en Faible \u00e0 Mod\u00e9r\u00e9 (80-250 PAR), Mod\u00e9r\u00e9 (150-250 PAR) et Mod\u00e9r\u00e9 \u00e0 Fort (200-300 PAR).<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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\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\">\n<p class=\"wp-block-paragraph\">PAR 56 d\u00e9signe un type de lampe int\u00e9grant un r\u00e9flecteur. Le terme PAR est l'acronyme de \u00ab parabolic aluminized reflector \u00bb (r\u00e9flecteur parabolique aluminis\u00e9). Les dimensions PAR-64 et PAR-56 sont couramment utilis\u00e9es aux \u00c9tats-Unis pour d\u00e9crire le diam\u00e8tre du bo\u00eetier en pouces.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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 un \u00e9clairage PAR et un projecteur Fresnel ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">Le projecteur Fresnel produit une qualit\u00e9 de lumi\u00e8re plus esth\u00e9tique qui peut \u00eatre dirig\u00e9e directement sur le sujet pour obtenir un rendu cin\u00e9matographique. De leur c\u00f4t\u00e9, les projecteurs PAR (Parabolic Aluminized Reflector) \u00e9mettent une lumi\u00e8re plus dure de forme elliptique, mais offrent l'avantage d'un rendement lumineux plus \u00e9lev\u00e9 \u00e0 puissance \u00e9gale.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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 lumi\u00e8res suppl\u00e9mentaires augmente-t-il le PAR ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">Non, l'ajout de lumi\u00e8res suppl\u00e9mentaires ne doublera pas le PAR. Cependant, cela augmentera la valeur PAR dans les zones o\u00f9 les faisceaux lumineux se chevauchent.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\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\">\n<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 une ampoule A19 au lieu d'une PAR38 ?<\/h3><\/div><\/div>\n\n\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\">\n<p class=\"wp-block-paragraph\">Les ampoules A19 et PAR38 pr\u00e9sentent un aspect similaire \u00e0 n'importe quelle autre ampoule standard A19 ou PAR38. Cela est essentiel car elles doivent \u00eatre compatibles avec les luminaires standards. En g\u00e9n\u00e9ral, l'ampoule A19 convient \u00e0 la plupart des luminaires, tandis que l'ampoule PAR38 est plus fr\u00e9quemment utilis\u00e9e dans les spots encastr\u00e9s et autres luminaires sp\u00e9cifiques.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Doesn\\&#8217;t find what you want? Don\\&#8217;t worry. There are always alternate ways to solve your problems. 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