{"id":5620,"date":"2021-02-19T09:24:12","date_gmt":"2021-02-19T08:24:12","guid":{"rendered":"http:\/\/cofab-in-bondy.fr\/?page_id=5620"},"modified":"2021-03-24T16:34:51","modified_gmt":"2021-03-24T15:34:51","slug":"alimentation-de-laboratoire","status":"publish","type":"page","link":"https:\/\/cofab-in-bondy.fr\/?page_id=5620","title":{"rendered":"Appareils \u00e9lectriques de laboratoire"},"content":{"rendered":"\n<p>Lorsque vous souhaitez tester un circuit ou des composants \u00e9lectroniques, il est souvent n\u00e9cessaire de g\u00e9n\u00e9rer un signal \u00e9lectrique (continu ou alternatif) puis \u00e9ventuellement analyser ce signal. Pour cela nous avons \u00e0 disposition dans l&rsquo;atelier plusieurs instruments \u00e9lectriques de laboratoire.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-cyan-bluish-gray-background-color has-cyan-bluish-gray-color is-style-wide\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>L&rsquo;alimentation \u00e9lectrique (g\u00e9n\u00e9rateur de tension continue)<\/strong><\/p>\n\n\n\n<p>Un g\u00e9n\u00e9rateur de tension continue, c&rsquo;est tout simplement une grosse pile \u00e9lectrique. Il permet d&rsquo;alimenter \u00e9lectriquement des circuits \u00e9lectroniques pour les tester en laboratoire. Sur cet instrument, vous pouvez r\u00e9gler \u00e0 l&rsquo;aide d&rsquo;une molette la tension et l&rsquo;intensit\u00e9 du courant \u00e9lectrique appliqu\u00e9es. Celles-ci s&rsquo;affichent en temps r\u00e9el sur des \u00e9crans digitaux, pour une lecture plus ais\u00e9e. Il y a trois ports de branchement de c\u00e2bles \u00e9lectriques sur la face frontale du g\u00e9n\u00e9rateur. Pour allumer ou \u00e9teindre le g\u00e9n\u00e9rateur, il suffit de bien appuyer sur le gros bouton orange en bas \u00e0 gauche.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" src=\"https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-8-1024x577.jpg\" alt=\"\" class=\"wp-image-5645\" width=\"582\" height=\"327\" srcset=\"https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-8-1024x577.jpg 1024w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-8-300x169.jpg 300w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-8-768x432.jpg 768w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-8-1536x865.jpg 1536w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-8-2048x1153.jpg 2048w\" sizes=\"(max-width: 582px) 100vw, 582px\" \/><\/figure>\n\n\n\n<p><span class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>Instructions de s\u00e9curit\u00e9 :<\/strong><br>&#8211; Eloigner toute source de liquide de l&rsquo;appareil (verre, robinet&#8230;)<br>&#8211; Ne manipuler l&rsquo;appareil et les c\u00e2bles que les mains s\u00e8ches et libres. Cela \u00e9vitera toute d\u00e9charge directe.<br>&#8211; Penser \u00e0 \u00e9teindre l&rsquo;appareil apr\u00e8s chaque utilisation.<br>&#8211; Ne jamais obstruer les syst\u00e8mes d&rsquo;a\u00e9ration situ\u00e9s sur les faces lat\u00e9rales et arri\u00e8re de l&rsquo;instrument.<\/span><\/p>\n\n\n\n<p><span class=\"has-inline-color has-vivid-green-cyan-color\"><strong>Entretien de l&rsquo;\u00e9quipement :<\/strong><\/span><br><span class=\"has-inline-color has-vivid-green-cyan-color\">Apr\u00e8s avoir mis hors tension et d\u00e9branch\u00e9 l&rsquo;appareil, nettoyer avec un chiffon sec ou l\u00e9g\u00e8rement humide l&rsquo;ext\u00e9rieur de la machine. Attention \u00e0 ne surtout pas passer le chiffon \u00e0 l&rsquo;int\u00e9rieur des ports, cela pourrait les endommager !<\/span><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-cyan-bluish-gray-background-color has-cyan-bluish-gray-color is-style-wide\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>G\u00e9n\u00e9rateur de basses fr\u00e9quences (GBF)<\/strong><\/p>\n\n\n\n<p>Un&nbsp;<strong>g\u00e9n\u00e9rateur de basses fr\u00e9quences<\/strong>&nbsp;(GBF), aussi appel\u00e9&nbsp;<strong>g\u00e9n\u00e9rateur de fonction<\/strong>&nbsp;ou plus couramment&nbsp;<strong>synth\u00e9<\/strong>, est un appareil dont on se sert en \u00e9lectronique&nbsp;\u00e0 des fins de test ou de d\u00e9pannage de cartes \u00e9lectroniques. Il permet de g\u00e9n\u00e9rer un signal avec la fr\u00e9quence voulue sous forme de sinuso\u00efdes, de cr\u00e9neaux, ou de triangles. Ce signal est g\u00e9n\u00e9r\u00e9 sous forme d&rsquo;une tension \u00e9lectrique \u00e0 faible puissance. Il peut \u00eatre observ\u00e9 gr\u00e2ce \u00e0 un oscilloscope.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"576\" src=\"http:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-4-1024x576.jpg\" alt=\"\" class=\"wp-image-5617\" srcset=\"https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-4-1024x576.jpg 1024w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-4-300x169.jpg 300w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-4-768x432.jpg 768w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-4-1536x864.jpg 1536w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145311-edited-4-2048x1152.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p id=\"block-5fea1f98-0906-486c-a6e0-804ac19c17bf\"><span class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>Instructions de s\u00e9curit\u00e9 :<\/strong><br>&#8211; Eloigner toute source de liquide de l&rsquo;appareil (verre, robinet&#8230;)<br>&#8211; Ne manipuler l&rsquo;appareil et les c\u00e2bles que les mains s\u00e8ches et libres. Cela \u00e9vitera toute d\u00e9charge directe.<br>&#8211; Penser \u00e0 \u00e9teindre l&rsquo;appareil apr\u00e8s chaque utilisation.<\/span><br><span class=\"has-inline-color has-luminous-vivid-orange-color\">&#8211; Ne jamais obstruer les syst\u00e8mes d&rsquo;a\u00e9ration situ\u00e9s sur les faces lat\u00e9rales et arri\u00e8re de l&rsquo;instrument.<\/span><\/p>\n\n\n\n<p id=\"block-529f6cc1-6929-49f1-ac39-daba4b6d9e3b\"><span class=\"has-inline-color has-vivid-green-cyan-color\"><strong>Entretien de l&rsquo;\u00e9quipement :<\/strong><br>Apr\u00e8s avoir mis hors tension et d\u00e9branch\u00e9 l&rsquo;appareil, nettoyer avec un chiffon sec ou l\u00e9g\u00e8rement humide l&rsquo;ext\u00e9rieur de la machine. Attention \u00e0 ne surtout pas passer le chiffon \u00e0 l&rsquo;int\u00e9rieur des ports, cela pourrait les endommager !<\/span><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-cyan-bluish-gray-background-color has-cyan-bluish-gray-color is-style-wide\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Oscilloscope<\/strong><\/p>\n\n\n\n<p>Un oscilloscope est un appareil&nbsp;qui&nbsp;enregistre&nbsp;les <strong>variations dans le temps&nbsp;d&rsquo;une&nbsp;grandeur physique<\/strong>&nbsp;(la&nbsp;tension \u00e9lectrique,&nbsp;par exemple). Le signal mesur\u00e9 s&rsquo;affiche alors sur l&rsquo;\u00e9cran digital, et on peut analyser ce signal plus pr\u00e9cis\u00e9ment gr\u00e2ce aux diff\u00e9rents outils propos\u00e9s par les boutons et mollettes pr\u00e9sents \u00e0 droite de l&rsquo;\u00e9cran.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"768\" src=\"http:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145308-1024x768.jpg\" alt=\"\" class=\"wp-image-5497\" srcset=\"https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145308-1024x768.jpg 1024w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145308-300x225.jpg 300w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145308-768x576.jpg 768w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145308-1536x1152.jpg 1536w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145308-2048x1536.jpg 2048w, https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/02\/IMG_20210217_145308-400x300.jpg 400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><span class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>Consignes de s\u00e9curit\u00e9 :<\/strong><br>&#8211; Ne pas utiliser l&rsquo;oscilloscope dans des endroits poussi\u00e9reux ou humides.<br>&#8211; Faire attention \u00e0 l&rsquo;\u00e9cran digital, qui est tr\u00e8s sensible aux chocs.<br>&#8211; Ne pas connecter\/d\u00e9connecter les c\u00e2bles de mesure lorsqu&rsquo;ils sont reli\u00e9s \u00e0 une source de tension.<br>&#8211; Penser \u00e0 \u00e9teindre l&rsquo;appareil apr\u00e8s chaque utilisation.<br>&#8211; Ne jamais obstruer les syst\u00e8mes d&rsquo;a\u00e9ration situ\u00e9s sur les faces lat\u00e9rales et arri\u00e8re de l&rsquo;instrument.<\/span><\/p>\n\n\n\n<p><span class=\"has-inline-color has-vivid-green-cyan-color\"><strong>Entretien de l&rsquo;\u00e9quipement :<\/strong><br>Apr\u00e8s avoir mis hors tension et d\u00e9branch\u00e9 l&rsquo;appareil, nettoyer avec un chiffon sec ou l\u00e9g\u00e8rement humide l&rsquo;ext\u00e9rieur de la machine. Attention \u00e0 ne surtout pas passer le chiffon \u00e0 l&rsquo;int\u00e9rieur des ports, cela pourrait les endommager !<\/span><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-cyan-bluish-gray-background-color has-cyan-bluish-gray-color is-style-wide\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Multim\u00e8tre<\/strong><\/p>\n\n\n\n<p>Outil de mesure tr\u00e8s utile en \u00e9lectronique, permet de mesurer une <strong>tension \u00e9lectrique<\/strong> (position voltm\u00e8tre), une <strong>intensit\u00e9 du courant<\/strong> (position amp\u00e8rem\u00e8tre) ou une <strong>r\u00e9sistance<\/strong> (position ohmm\u00e8tre).<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img src=\"https:\/\/cofab-in-bondy.fr\/wp-content\/uploads\/2021\/03\/multimetre-portable-etekcity-266x300.jpg\" alt=\"\" class=\"wp-image-5901\"\/><\/figure>\n\n\n\n<p><span class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>Consignes de s\u00e9curit\u00e9 :<\/strong><br>&#8211; Faire attention \u00e0 utiliser le multim\u00e8tre sur la bonne position, selon ce qu&rsquo;on souhaite mesurer, pour ne pas l&rsquo;endommager, et pour obtenir un r\u00e9sultat concluant.<br>&#8211; Eteindre le mat\u00e9riel apr\u00e8s chaque usage.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lorsque vous souhaitez tester un circuit ou des composants \u00e9lectroniques, il est souvent n\u00e9cessaire de g\u00e9n\u00e9rer un signal \u00e9lectrique (continu ou alternatif) puis \u00e9ventuellement analyser ce signal. Pour cela nous [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.0.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Appareils \u00e9lectriques de laboratoire - Co-Fab in Bondy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cofab-in-bondy.fr\/?page_id=5620\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Appareils \u00e9lectriques de laboratoire - Co-Fab in Bondy\" \/>\n<meta property=\"og:description\" content=\"Lorsque vous souhaitez tester un circuit ou des composants \u00e9lectroniques, il est souvent n\u00e9cessaire de g\u00e9n\u00e9rer un signal \u00e9lectrique (continu ou alternatif) puis \u00e9ventuellement analyser ce signal. 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