{"id":38977,"date":"2022-10-27T11:54:16","date_gmt":"2022-10-27T10:54:16","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=38977"},"modified":"2022-10-27T12:10:41","modified_gmt":"2022-10-27T11:10:41","slug":"choisir-lalimentation-de-table-rnd-adaptee-a-votre-application","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/fr\/rnd-fr\/choisir-lalimentation-de-table-rnd-adaptee-a-votre-application\/","title":{"rendered":"Choisir l&rsquo;alimentation de table RND adapt\u00e9e \u00e0 votre application"},"content":{"rendered":"\n<p>Les alimentations de table (ou alimentation de laboratoire) sont un \u00e9l\u00e9ment fondamental de toute installation de test et de mesure. Elles sont des appareils essentiels pour les tests \u00e9lectriques et \u00e9lectroniques. Ce sont des outils tr\u00e8s couramment utilis\u00e9s par les ing\u00e9nieurs et les concepteurs pour alimenter, tester et mesurer les circuits. Elles fournissent une alimentation en tension variable et fiable, id\u00e9ale pour toute une s\u00e9rie d&rsquo;applications et de projets.<\/p>\n\n\n\n<p>Les alimentations de table \u00e0 courant continu variable poss\u00e8dent un syst\u00e8me de s\u00e9curit\u00e9 suppl\u00e9mentaire, \u00e0 savoir la possibilit\u00e9 de d\u00e9finir une valeur de courant maximale. Cela permet \u00e0 l&rsquo;alimentation de se couper si un court-circuit est d\u00e9tect\u00e9. Avec une protection int\u00e9gr\u00e9e contre les surtensions et les surintensit\u00e9s, les alimentations de table <a href=\"https:\/\/www.distrelec.com\/global\/?search=rnd\" target=\"_blank\" rel=\"noreferrer noopener\">RND<\/a> sont le choix id\u00e9al pour vos projets. Non seulement elles sont s\u00fbres \u00e0 utiliser, mais elles ont \u00e9galement un excellent rapport qualit\u00e9\/prix.<\/p>\n\n\n\n<h2 id=\"caracteristiques-dune-alimentation-de-table\" class=\"wp-block-heading\">Caract\u00e9ristiques d&rsquo;une alimentation de table<\/h2>\n\n\n\n<p>Les alimentations de table convertissent le courant alternatif (AC) du secteur en courant continu (DC) pour alimenter de petits appareils et circuits \u00e9lectroniques \u00e0 diff\u00e9rents niveaux de tension. Leur fonction premi\u00e8re est de fournir de l&rsquo;\u00e9nergie aux \u00ab dispositifs sous test \u00bb (en anglais, Devices Under Test ou DUT) pour v\u00e9rifier s&rsquo;ils fonctionnent comme pr\u00e9vu.<\/p>\n\n\n\n<p>Les alimentations de table constituent une source d&rsquo;\u00e9nergie fiable et s\u00fbre qui n&rsquo;interf\u00e8re pas avec le fonctionnement des circuits qu&rsquo;elles alimentent, laissant l&rsquo;utilisateur se concentrer sur la conception et le diagnostic. Elles contr\u00f4lent \u00e9galement le courant et la tension de mani\u00e8re beaucoup plus fiable que les prises murales et les convertisseurs AC-DC ordinaires.<\/p>\n\n\n\n<p>Le nom \u00ab alimentation de table\/laboratoire \u00bb vient du fait qu&rsquo;elles sont souvent plac\u00e9es sur l&rsquo;espace de travail ou la table d&rsquo;un ing\u00e9nieur.<\/p>\n\n\n\n<p><strong>Caract\u00e9ristiques des alimentations de table RND :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Courant et de tension ajustables avec pr\u00e9cision<\/li><li>Ondulation et bruit faibles<\/li><li>R\u00e9solution de 10 mV \/ 1mA<\/li><li>Options de sortie programmables<\/li><li>Clavier verrouillable<\/li><li>Fonction de m\u00e9morisation en cas de mise hors tension<\/li><li>Options de sortie de 1\/3\/4<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-38471 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01.jpg?resize=800,447 800w\" ><figcaption>Alimentation de table programmable de 30V, 5A, 150W et CEE 7\/7 de RND Lab. Source : RND<\/figcaption><\/figure>\n\n\n\n<p><strong>Les applications les plus courantes :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Laboratoires de conception \u00e9lectronique<\/li><li>Recherche<\/li><li>Production et fabrication<\/li><li>Ateliers<\/li><li>Education<\/li><\/ul>\n\n\n\n<h2 id=\"types-dalimentations-de-table\" class=\"wp-block-heading\"><a><\/a>Types d&rsquo;alimentations de table<\/h2>\n\n\n\n<p>Les alimentations de table sont disponibles dans une multitude de configurations diff\u00e9rentes, le plus souvent class\u00e9es en trois types principaux : lin\u00e9aire\/\u00e0 d\u00e9coupage, monovoie\/multivoies et 2 quadrants\/4 quadrants.<\/p>\n\n\n\n<h3 id=\"alimentations-lineaires-et-a-decoupage\" class=\"wp-block-heading\"><a><\/a>Alimentations lin\u00e9aires et \u00e0 d\u00e9coupage<\/h3>\n\n\n\n<p>Une alimentation lin\u00e9aire peut fournir des mesures de haute pr\u00e9cision avec des interf\u00e9rences de signal extr\u00eamement faibles. Cependant, ils sont souvent plus lourds, plus encombrants et produisent moins de puissance avec un rendement r\u00e9duit. Les alimentations \u00e0 d\u00e9coupage, quant \u00e0 elles, sont plus compactes et peuvent fournir des niveaux de puissance plus \u00e9lev\u00e9s, mais elles produisent du bruit \u00e0 haute fr\u00e9quence et ont des lectures moins pr\u00e9cises.<\/p>\n\n\n\n<h3 id=\"alimentations-monovoie-et-multivoies\" class=\"wp-block-heading\"><a><\/a>Alimentations monovoie et multivoies<\/h3>\n\n\n\n<p>Comme son nom l&rsquo;indique, une alimentation de table monovoie poss\u00e8de une seule sortie contr\u00f4l\u00e9e. L&rsquo;alimentation multivoies, quant \u00e0 elle, poss\u00e8de deux sorties ou plus. La sortie unique d&rsquo;une alimentation monovoie la rend moins polyvalente et du coup moins ch\u00e8re. En revanche, les alimentations multivoies sont adapt\u00e9es \u00e0 l&rsquo;utilisation de circuits analogiques et num\u00e9riques tout en travaillant sur des appareils qui n\u00e9cessitent des entr\u00e9es de tension variables.<\/p>\n\n\n\n<h3 id=\"alimentations-2-quadrants-et-4-quadrants\" class=\"wp-block-heading\"><a><\/a>Alimentations 2 quadrants et 4 quadrants<\/h3>\n\n\n\n<p>Une source d&rsquo;alimentation 2 quadrants ne peut fournir qu&rsquo;une tension positive. Un technicien peut inverser manuellement les bornes reli\u00e9es \u00e0 la source d&rsquo;alimentation pour produire une tension n\u00e9gative, mais cela est souvent tr\u00e8s peu pratique. Les alimentations 4 quadrants, quant \u00e0 elles, peuvent produire des tensions positives et n\u00e9gatives. Elles peuvent donc prendre en charge un plus grand nombre d&rsquo;applications, telles que la cr\u00e9ation de mat\u00e9riaux magn\u00e9tiques pour les moteurs de voiture, les tests d&rsquo;onduleurs bidirectionnels et les tests de diodes laser. Elles sont cependant beaucoup plus co\u00fbteuses et compliqu\u00e9es qu&rsquo;une alimentation 2 quadrants.<\/p>\n\n\n\n<h2 id=\"comment-choisir-lalimentation-qui-vous-convient\" class=\"wp-block-heading\"><a><\/a>Comment choisir l&rsquo;alimentation qui vous convient<\/h2>\n\n\n\n<p>Il y a quelques facteurs importants \u00e0 prendre en compte avant d&rsquo;acheter une alimentation de table. Il s&rsquo;agit notamment de la plage de tension et de courant requise, du nombre de sorties et de la limitation de la tension et du courant.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"684\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAKsAQMAAABI3V1vAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGtJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADwbli7AAGYJM0zAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-38488 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/Benchtop-2-1024x684.png\" ><\/figure>\n\n\n\n<h3 id=\"reglage-du-courant-et-de-la-tension\" class=\"wp-block-heading\"><strong>R\u00e9glage du courant et de la tension<\/strong><\/h3>\n\n\n\n<p>Le r\u00e9glage des niveaux de tension et des restrictions de courant peut prendre beaucoup de temps lors de tests longs ou complexes. Cependant, le fait qu&rsquo;une alimentation de table poss\u00e8de deux modes de fonctionnement : tension constante et courant constant, est l&rsquo;une de ses caract\u00e9ristiques les plus importantes et les plus utiles. Heureusement, la plupart des alimentations de banc ont une capacit\u00e9 de s\u00e9quence de test qui fournit un minimum de programmabilit\u00e9.<\/p>\n\n\n\n<p>Il est possible de programmer les valeurs de tension, les seuils de courant et la dur\u00e9e par \u00e9tape \u00e0 l&rsquo;aide de la fonction de s\u00e9quences de test. Il s&rsquo;agit d&rsquo;une m\u00e9thode simple pour ex\u00e9cuter un test complexe avec diff\u00e9rentes tensions de sortie et temporisations pr\u00e9d\u00e9finies sans avoir \u00e0 modifier manuellement les param\u00e8tres.<\/p>\n\n\n\n<p>Le r\u00e9glage de la limite de courant est important car un courant trop \u00e9lev\u00e9 d\u00e9truira un circuit. Il suffit de tourner dans le sens inverse des aiguilles d&rsquo;une montre les boutons de tension et de courant. L&rsquo;\u00e9cran indiquera cc, ce qui signifie courant continu. Connectez les cordons de sortie. D\u00e9clipser les cordons apr\u00e8s avoir tourn\u00e9 le bouton de courant dans le sens des aiguilles d&rsquo;une montre jusqu&rsquo;au niveau souhait\u00e9.<\/p>\n\n\n\n<p>Le r\u00e9glage de la tension est plus facile. Il suffit de tourner le bouton de tension dans le sens des aiguilles d&rsquo;une montre jusqu&rsquo;au niveau n\u00e9cessaire. L&rsquo;alimentation est maintenant pr\u00eate \u00e0 \u00eatre utilis\u00e9e.<\/p>\n\n\n\n<p>Dans une alimentation typique, un multim\u00e8tre peut \u00eatre utilis\u00e9 pour mesurer la tension de sortie \u00e0 intervalles r\u00e9guliers. L&rsquo;\u00e9cran int\u00e9gr\u00e9 d&rsquo;une alimentation programmable affiche toutes les informations importantes, telles que la tension et le courant actuelles, le mode de fonctionnement et de nombreux autres facteurs. Vous pouvez acheter votre propre multim\u00e8tre num\u00e9rique TRMS \u00e0 s\u00e9lection automatique de gamme <a href=\"https:\/\/www.distrelec.com\/global\/?search=30172038\" target=\"_blank\" rel=\"noreferrer noopener\">ici<\/a>. Pour en savoir plus sur les multim\u00e8tres, <a href=\"https:\/\/knowhow.distrelec.com\/fr\/maintenance-reparation-et-exploitation\/achat-dun-multimetre-portable-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">cliquez ici<\/a>.<\/p>\n\n\n\n<p>Autres \u00e9l\u00e9ments importants \u00e0 prendre en compte avant d&rsquo;acheter une nouvelle alimentation de table :<\/p>\n\n\n\n<p><strong>Nombre de sorties<\/strong><\/p>\n\n\n\n<p>Les alimentations \u00e0 sorties multiples de haute pr\u00e9cision sont devenues plus \u00e9conomiques, il est important de consid\u00e9rer combien de sorties seront n\u00e9cessaires en utilisation g\u00e9n\u00e9rale. Bien que les alimentations \u00e0 sortie unique conviennent \u00e0 de nombreuses applications, les alimentations \u00e0 sortie multiple peuvent souvent offrir de nombreux avantages significatifs. Deux sorties ou plus seraient pr\u00e9f\u00e9rables pour des t\u00e2ches plus complexes. Bien que les alimentations \u00e0 sorties multiples de haute pr\u00e9cision soient devenues plus abordables, il est essentiel de d\u00e9terminer si vous en avez besoin ou non en fonction des t\u00e2ches que vous devez effectuer.<\/p>\n\n\n\n<p><strong>Bruit<\/strong><\/p>\n\n\n\n<p>L&rsquo;ondulation r\u00e9siduel de la tension de sortie sur une source DC est \u00e9galement connu sous le nom de P.A.R.D (Periodic and Random Deviation en anglais). Le mot \u00ab\u00a0ondulation\u00a0\u00bb d\u00e9signe la petite variation p\u00e9riodique r\u00e9siduelle ind\u00e9sirable de la sortie en courant continu d&rsquo;une alimentation \u00e9lectrique d\u00e9riv\u00e9e d&rsquo;une source de courant alternatif. Le bruit est class\u00e9 comme les pics de tension \u00e9lev\u00e9s al\u00e9atoires qui se produisent sur la sortie. Choisissez une alimentation qui produit peu de bruit et d&rsquo;ondulation, ce qui permet d&rsquo;obtenir des r\u00e9sultats plus pr\u00e9cis.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1000\"  height=\"664\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA+gAAAKYAQMAAADaOEDSAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGhJREFUeNrtwTEBAAAAwqD1T20JT6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA+BkbfAAHo6fZYAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-38505 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1000px) 100vw, 1000px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/engineers-workbench.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/engineers-workbench.png 1000w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/engineers-workbench.png?resize=300,199 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/engineers-workbench.png?resize=768,510 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/engineers-workbench.png?resize=380,252 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/engineers-workbench.png?resize=550,365 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/engineers-workbench.png?resize=800,531 800w\" ><\/figure>\n\n\n\n<p><strong>Temps de r\u00e9ponse<\/strong><\/p>\n\n\n\n<p>Lorsque vous effectuez des tests avec des tensions qui changent rapidement, le temps de r\u00e9ponse est un facteur critique. Le temps de r\u00e9ponse d&rsquo;un dispositif est le temps qu&rsquo;il faut pour augmenter ou diminuer une tension sp\u00e9cifique. Celui-ci fluctue en fonction de la charge. Choisissez un syst\u00e8me d&rsquo;alimentation adapt\u00e9 \u00e0 l&rsquo;objectif vis\u00e9.<\/p>\n\n\n\n<p><strong>Protection contre la surchauffe<\/strong><\/p>\n\n\n\n<p>Une surchauffe peut entra\u00eener l&rsquo;arr\u00eat de l&rsquo;alimentation et potentiellement endommager l&rsquo;appareil. Le choix d&rsquo;un appareil dot\u00e9 d&rsquo;une protection contre la surchauffe garantit une plus longue dur\u00e9e de vie.<\/p>\n\n\n\n<p><strong>Programmation<\/strong><\/p>\n\n\n\n<p>Pensez \u00e0 choisir une alimentation de table avec une fonction de s\u00e9quence de test plut\u00f4t que de perdre du temps \u00e0 r\u00e9gler manuellement les limites de tension et de courant. Une alimentation programmable permet aux utilisateurs d&rsquo;utiliser des r\u00e9glages pr\u00e9programm\u00e9s. Cette fonctionnalit\u00e9 permet aux techniciens de gagner un temps consid\u00e9rable puisqu&rsquo;ils n&rsquo;ont pas \u00e0 configurer manuellement la s\u00e9quence de test pour chaque test.<\/p>\n\n\n\n<p><strong>D\u00e9tection \u00e0 distance de la tension de sortie<\/strong><\/p>\n\n\n\n<p>Lorsque vous effectuez des tests avec des tensions ou des charges qui changent rapidement, utilisez une source d&rsquo;alimentation avec un capteur \u00e0 distance pour obtenir la tension d&rsquo;alimentation la plus pr\u00e9cise.  En corrigeant les pertes de tension \u00e0 partir des bornes de test, le capteur de tension \u00e0 distance re\u00e7oit les mesures au niveau du dispositif test\u00e9 plut\u00f4t qu&rsquo;au niveau de ses ports d&rsquo;entr\u00e9e. Cela permet d&rsquo;obtenir une lecture beaucoup plus pr\u00e9cise.<\/p>\n\n\n\n<p><strong>M\u00e9moire int\u00e9gr\u00e9e en cas d&rsquo;arr\u00eat<\/strong><\/p>\n\n\n\n<p>Pour sauvegarder des mesures et des configurations pr\u00e9cieuses, choisissez une machine avec une m\u00e9moire int\u00e9gr\u00e9e en cas d&rsquo;arr\u00eat. Cette fonction permet de conserver toutes vos donn\u00e9es en toute s\u00e9curit\u00e9 en cas de coupure de courant.<\/p>\n\n\n\n<h2 id=\"trouver-la-meilleure-alimentation-de-table\" class=\"wp-block-heading\">Trouver la meilleure alimentation de table<\/h2>\n\n\n\n<p>Une alimentation de laboratoire bien con\u00e7ue et riche en fonctionnalit\u00e9s offre \u00e0 la fois des performances sup\u00e9rieures et des capacit\u00e9s et fonctions suppl\u00e9mentaires. Vous pouvez trouver certaines de ces alimentations dans la cat\u00e9gorie RND du site web de Distrelec. Les alimentations RND fournissent un courant et une tension fiables et poss\u00e8dent de nombreuses caract\u00e9ristiques telles que des commandes enti\u00e8rement num\u00e9ris\u00e9es, une protection contre les surcharges, un grand \u00e9cran LED, le tout contenu dans un bo\u00eetier m\u00e9tallique solide.<\/p>\n\n\n\n<p>Regardez ci-dessous et choisissez l&rsquo;alimentation de table qui correspond \u00e0 vos besoins !<\/p>\n\n\n\n<h3 id=\"produits-recommandes\" class=\"wp-block-heading\">Produits recommand\u00e9s<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-38522 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01-1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01-1.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01-1.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01-1.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01-1.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01-1.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005P-30061864-01-1.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=30061864\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Parcourir<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-38556 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005D-30061863-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005D-30061863-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005D-30061863-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005D-30061863-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005D-30061863-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005D-30061863-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3005D-30061863-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=30061863\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Parcourir<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  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https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3305P-30061865-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3305P-30061865-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/10\/rnd-320-KA3305P-30061865-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=30061865\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Parcourir<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-orange-background-color has-background\" href=\"https:\/\/www.distrelec.ch\/fr\/test-measurement\/bench-power-supplies-sources-loads\/bench-top-power-supplies\/c\/cat-DNAV_PL_140102?queryFromSuggest=true&amp;filter_Manufacturer=RND+Lab\" target=\"_blank\" rel=\"noreferrer noopener\">Parcourir plus d&rsquo;alimentations de table RND<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Les alimentations de table (ou alimentation de laboratoire) sont un \u00e9l\u00e9ment fondamental de toute installation de test et&hellip;\n","protected":false},"author":18,"featured_media":38460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[184,192,187],"tags":[],"coauthors":[],"class_list":{"0":"post-38977","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-maintenance-reparation-et-exploitation","8":"category-rnd-fr","9":"category-stem-et-education","10":"cs-entry","11":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Choisir l&#039;alimentation de 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