{"id":7843,"date":"2022-05-18T07:00:00","date_gmt":"2022-05-18T06:00:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=7843"},"modified":"2023-02-02T09:43:25","modified_gmt":"2023-02-02T09:43:25","slug":"guide-produit-guide-etape-par-etape-comment-choisir-un-oscilloscope","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/fr\/electronique\/guide-produit-guide-etape-par-etape-comment-choisir-un-oscilloscope\/","title":{"rendered":"Un guide complet de l&rsquo;acheteur et de l&rsquo;utilisateur pour choisir le bon oscilloscope"},"content":{"rendered":"\n<p><br>Avec plus de 500 oscilloscopes disponibles dans notre boutique en ligne Distrelec, il peut s&rsquo;av\u00e9rer difficile de trouver celui qui convient le mieux \u00e0 votre projet. Cet article est con\u00e7u pour vous guider tout au long du processus de prise de d\u00e9cision, de la s\u00e9lection \u00e0 l&rsquo;achat.<\/p>\n\n\n\n<p>Avant d&rsquo;acheter un oscilloscope, surtout s&rsquo;il s&rsquo;agit de votre premier achat, vous vous demandez peut-\u00eatre comment utiliser un oscilloscope pour mesurer des fr\u00e9quences et des tensions, comment fonctionnent les sondes d&rsquo;oscilloscope et comment l&rsquo;utiliser \u00e9tape par \u00e9tape.<\/p>\n\n\n\n<p>Si vous achetez un oscilloscope pour la premi\u00e8re fois, nous vous recommandons de lire la pr\u00e9sentation des diff\u00e9rents types d&rsquo;oscilloscopes fournie ci-dessous avant de lire le guide de l&rsquo;acheteur.<\/p>\n\n\n\n<p>Si vous souhaitez remplacer votre oscilloscope ou si vous savez d\u00e9j\u00e0 exactement ce que vous recherchez, vous pouvez passer directement \u00e0 nos recommandations de produits.<\/p>\n\n\n\n<p>Dans notre guide, nous vous pr\u00e9sentons diff\u00e9rents types d&rsquo;oscilloscopes afin que vous sachiez \u00e0 quoi ils servent et lequel est le mieux adapt\u00e9 \u00e0 vos besoins.<\/p>\n\n\n\n<h2 id=\"presentation-des-differents-types-doscilloscopes\" class=\"wp-block-heading\">Pr\u00e9sentation des diff\u00e9rents types d&rsquo;oscilloscopes<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-29721 pk-lazyload\"  width=\"540\"  height=\"302\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 540px) 100vw, 540px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-1.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-1.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-1.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-1.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-1.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-1.jpg?resize=800,447 800w\" ><\/figure><\/div>\n\n\n\n<h3 id=\"oscilloscope-a-stockage-numerique-dso\" class=\"wp-block-heading\">Oscilloscope \u00e0 stockage num\u00e9rique (DSO)<\/h3>\n\n\n\n<p>Le DSO est le type d&rsquo;oscilloscope le plus courant. Descendant de l&rsquo;oscilloscope analogique, dont il conserve l&rsquo;aspect ext\u00e9rieur, il utilise une architecture compl\u00e8tement diff\u00e9rente. Ainsi, le signal analogique est converti en une forme d&rsquo;onde num\u00e9rique. C&rsquo;est pourquoi les crit\u00e8res tels que la bande passante, le taux d&rsquo;\u00e9chantillonnage et le temps de mont\u00e9e deviennent si importants lors de la s\u00e9lection d&rsquo;un oscilloscope.<\/p>\n\n\n\n<p>D\u00e9couvrez les caract\u00e9ristiques exceptionnelles de cet oscilloscope \u00e0 m\u00e9moire num\u00e9rique avec \u00e9cran tactile de RND.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"RND 360-00001 Touch Screen Digital Storage Oscilloscope\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/IxelcP7a7lc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><strong>Caract\u00e9ristiques de l&rsquo;oscilloscope DSO \u00e0 \u00e9cran tactile RND : <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Bande passante de 100 MHz, fr\u00e9quence d&rsquo;\u00e9chantillonnage de 1 G\u00e9ch\/s <\/li><li>Longueur d&rsquo;enregistrement de 40 M, taux de mise a jour des formes d&rsquo;onde de 45000 wfms\/s <\/li><li>Ecran LCD haute r\u00e9solution de 8&Prime; 800 x 600, \u00e9cran multi-touch en option <\/li><li>Faible bruit de fond <\/li><li>Prise en charge de SCPI et LabVIEW <\/li><li>Option multim\u00e8tre <\/li><li>Fonction multi-d\u00e9clenchement et d\u00e9codage de bus <\/li><li>Int\u00e9gration multi-interface &#8211; h\u00f4te USB, p\u00e9riph\u00e9rique USB, port USB pour PictBridge, LAN, AUX et VGA<\/li><\/ul>\n\n\n\n<h3 id=\"oscilloscope-a-signaux-mixtes-domaine-mixte-mso-mdo\" class=\"wp-block-heading\">Oscilloscope \u00e0 signaux mixtes\/domaine mixte (MSO\/MDO)<\/h3>\n\n\n\n<p>Un MSO associe la fonction du DSO \u00e0 un analyseur logique. Il poss\u00e8de g\u00e9n\u00e9ralement une combinaison de 2 \u00e0 4 canaux analogiques et plus de 10 canaux num\u00e9riques. Un MDO peut afficher des signaux dans les domaines du temps et de la fr\u00e9quence. Si vous souhaitez afficher des formes d&rsquo;onde num\u00e9riques, des formes d&rsquo;onde synchronis\u00e9es analogiques ou des protocoles s\u00e9rie d\u00e9cod\u00e9s, vous aurez besoin d&rsquo;un MDO. On utilise g\u00e9n\u00e9ralement jusqu&rsquo;\u00e0 15 canaux pour le d\u00e9bogage.<\/p>\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-7794 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\/2021\/09\/kh-oscilloscopes-3.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"oscilloscope-portatif\" class=\"wp-block-heading\">Oscilloscope portatif<\/h3>\n\n\n\n<p>Les oscilloscopes portatifs sont utiles pour travailler sur le terrain ou avec des machines lourdes. Vous n&rsquo;\u00eates pas coinc\u00e9 devant votre ordinateur de bureau, vous pouvez emporter l&rsquo;oscilloscope avec vous jusqu&rsquo;\u00e0 l&rsquo;endroit o\u00f9 se trouve la machine.<\/p>\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-7801 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\/2021\/09\/kh-oscilloscopes-4.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"oscilloscope-pc\" class=\"wp-block-heading\">Oscilloscope PC<\/h3>\n\n\n\n<p>Les oscilloscopes PC sont connect\u00e9s \u00e0 un ordinateur de bureau ou portable. Leur capacit\u00e9 de stockage est limit\u00e9e uniquement par l&rsquo;espace de stockage de votre ordinateur. Le logiciel est g\u00e9n\u00e9ralement fourni avec l&rsquo;oscilloscope, mais celui-ci peut \u00e9galement ex\u00e9cuter d&rsquo;autres logiciels. Ces appareils hautes performances surpassent souvent les capacit\u00e9s d&rsquo;un DSO. Cependant, certaines personnes pr\u00e9f\u00e8rent r\u00e9gler les param\u00e8tres sur un bouton situ\u00e9 juste \u00e0 c\u00f4t\u00e9 de l&rsquo;\u00e9cran plut\u00f4t qu&rsquo;en les saisissant sur leur ordinateur portable.<\/p>\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-7808 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\/2021\/09\/kh-oscilloscopes-5.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"oscilloscope-pc-pour-lautomobile\" class=\"wp-block-heading\">Oscilloscope PC pour l&rsquo;automobile<\/h3>\n\n\n\n<p>Vous pouvez utiliser un oscilloscope PC pour l&rsquo;automobile pour mesurer les composants \u00e9lectroniques d&rsquo;un v\u00e9hicule. Souvent, les signaux changent trop rapidement pour \u00eatre mesurables \u00e0 l&rsquo;aide d&rsquo;un multim\u00e8tre.<\/p>\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-7815 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\/2021\/09\/kh-oscilloscopes-6.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"oscilloscope-analogique\" class=\"wp-block-heading\">Oscilloscope analogique<\/h3>\n\n\n\n<p>L&rsquo;oscilloscope analogique suit le principe \u00abCe que vous voyez est ce que vous obtenez\u00bb. Vous n&rsquo;avez pas \u00e0 vous soucier de votre bande passante et de votre fr\u00e9quence d&rsquo;\u00e9chantillonnage. Si vous l&rsquo;utilisez pour des travaux audio ou vid\u00e9o, un bon oscilloscope analogique sera m\u00eame plus pr\u00e9cis qu&rsquo;un DSO de la m\u00eame gamme de prix. Les signaux modul\u00e9s s&rsquo;affichent mieux sur un oscilloscope analogique et les signaux num\u00e9riques fonctionnent bien \u00e9galement. Mais d\u00e8s que vous travaillez dans le domaine des signaux num\u00e9riques avec des d\u00e9bits de donn\u00e9es \u00e9lev\u00e9s, vous \u00eates confront\u00e9 aux limites d&rsquo;un oscilloscope analogique, et il est alors souhaitable d&rsquo;envisager un DSO.<\/p>\n\n\n\n<h2 id=\"achat-dun-oscilloscope-en-trois-etapes-simples\" class=\"wp-block-heading\">Achat d&rsquo;un oscilloscope en trois \u00e9tapes simples<\/h2>\n\n\n\n<p>L&rsquo;achat d&rsquo;un oscilloscope peut s&rsquo;av\u00e9rer difficile. Nous vous proposons une proc\u00e9dure simple en trois \u00e9tapes pour vous aider \u00e0 trouver celui qui vous convient le mieux. Tout d&rsquo;abord, d\u00e9finissez votre cas d&rsquo;utilisation et vos sp\u00e9cifications. Ensuite, appliquez la r\u00e8gle 5\u00d7 pour limiter la large gamme de produits. Enfin, \u00e9valuez les produits restants en fonction des autres crit\u00e8res que vous avez r\u00e9pertori\u00e9s dans votre sc\u00e9nario d&rsquo;utilisation et vos sp\u00e9cifications \u00e0 l&rsquo;\u00e9tape 1.<\/p>\n\n\n\n<h3 id=\"1-definition-de-votre-scenario-dutilisation\" class=\"wp-block-heading\">1. D\u00e9finition de votre sc\u00e9nario d&rsquo;utilisation<\/h3>\n\n\n\n<p>R\u00e9fl\u00e9chissez \u00e0 ce pour quoi vous souhaitez utiliser votre oscilloscope et dressez une liste de tous les sc\u00e9narios possibles. R\u00e9fl\u00e9chissez aux objectifs de vos projets et \u00e0 d&rsquo;autres cas d&rsquo;utilisation possibles \u00e0 l&rsquo;avenir.<\/p>\n\n\n\n<p>R\u00e9fl\u00e9chissez aux crit\u00e8res suivants:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>L&rsquo;utilisez-vous \u00e0 un seul endroit? O\u00fb serait-il utile de pouvoir le transporter facilement?<\/li><li>De combien de canaux d&rsquo;entr\u00e9e avez-vous besoin? Avec 2 \u00e0 4 canaux, vous pouvez afficher et comparer les dur\u00e9es de signal des formes d&rsquo;onde. Toutefois, pour d\u00e9boguer un syst\u00e8me num\u00e9rique, vous aurez besoin de 8 \u00e0 16 canaux.<\/li><li>De quelles longueurs d&rsquo;enregistrement avez-vous besoin? Un signal sinuso\u00efdal stable ne n\u00e9cessite qu&rsquo;environ 500 points, et un oscilloscope de base stocke environ 2 000 points. Cependant, pour r\u00e9soudre les anomalies de synchronisation dans un flux de donn\u00e9es complexe, il peut \u00eatre n\u00e9cessaire d&rsquo;utiliser une longueur d&rsquo;enregistrement de 1 million de points.<\/li><li>De quels outils de navigation et d&rsquo;analyse souhaitez-vous disposer? Les fonctions de zoom et de panoramique, de lecture et de pause, de marquage et de recherche simple ou avanc\u00e9e ne repr\u00e9sentent qu&rsquo;un simple \u00e9chantillon.<\/li><li>Quelles mesures automatis\u00e9es de forme d&rsquo;onde utilisez-vous?<\/li><li>Voulez-vous connecter l&rsquo;oscilloscope \u00e0 un ordinateur? Avez-vous besoin de capacit\u00e9s de mise en r\u00e9seau, d&rsquo;impression et de partage de fichiers? Doit-il \u00eatre capable d&rsquo;ex\u00e9cuter un logiciel d&rsquo;analyse tierce? Un acc\u00e8s Internet est-il n\u00e9cessaire?<\/li><\/ul>\n\n\n\n<h3 id=\"2-application-de-la-regle-5x\" class=\"wp-block-heading\">2. Application de la r\u00e8gle 5\u00d7<\/h3>\n\n\n\n<p>La r\u00e8gle 5\u00d7 est une r\u00e8gle empirique qui permet de d\u00e9finir la bande passante, le temps de mont\u00e9e et le taux d&rsquo;\u00e9chantillonnage requis. Selon votre cas d&rsquo;utilisation, vous aurez peut-\u00eatre besoin d&rsquo;autres valeurs.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Bande passante: la bande passante de l&rsquo;oscilloscope et de la sonde doit \u00eatre au moins 5 fois sup\u00e9rieure \u00e0 la bande passante maximale du signal pour obtenir des performances sup\u00e9rieures ou \u00e9gales \u00e0 +\/-2% d&rsquo;erreur de mesure.<\/li><li>Temps de mont\u00e9e: pour le temps de mont\u00e9e, appliquez la formule suivante: temps de mont\u00e9 &lt; 1\/5 \u00d7 temps de monter le plus rapide de votre signal. Plus le temps de mont\u00e9e est court, plus vos r\u00e9sultats seront pr\u00e9cis.<\/li><li>Taux d&rsquo;\u00e9chantillonnage: votre fr\u00e9quence d&rsquo;\u00e9chantillonnage doit \u00eatre au moins 5 fois sup\u00e9rieure \u00e0 la fr\u00e9quence la plus \u00e9lev\u00e9e de votre circuit. Plus vous \u00e9chantillonnez les donn\u00e9es rapidement, moins vous perdez d&rsquo;informations. Si vous souhaitez observer des signaux qui \u00e9voluent lentement sur des p\u00e9riodes plus longues, un faible taux d&rsquo;\u00e9chantillonnage suffit. Plus vous \u00e9chantillonnez les donn\u00e9es rapidement, plus votre m\u00e9moire se remplit rapidement, ce qui limite le temps de capture possible.<\/li><\/ul>\n\n\n\n<p>Filtrez les crit\u00e8res d\u00e9finis sur le site web de <a href=\"https:\/\/www.distrelec.ch\/fr\/test-et-mesure\/oscilloscopes\/c\/cat-DNAV_1309\" target=\"_blank\" rel=\"noreferrer noopener\">Distrelec<\/a> ou rendez-vous directement sur <a href=\"https:\/\/www.distrelec.ch\/fr\/manufacturer\/rnd-lab\/man_rnl?q=*&amp;filter_Manufacturer=RND+Lab&amp;filter_Buyable=1&amp;filter_Manufacturer=RND%20Lab&amp;filter_categoryCodePathROOT=cat-L2D_527482\" target=\"_blank\" rel=\"noreferrer noopener\">RND Lab<\/a>. Vous disposez d\u00e9sormais de quelques produits que vous pouvez comparer.<\/p>\n\n\n\n<h3 id=\"3-prise-en-compte-dautres-criteres\" class=\"wp-block-heading\">3. Prise en compte d&rsquo;autres crit\u00e8res<\/h3>\n\n\n\n<p>Examinez de plus pr\u00e8s les crit\u00e8res restants que vous avez r\u00e9pertori\u00e9s \u00e0 l&rsquo;\u00e9tape 1. Essayez de les classer par ordre de priorit\u00e9 en tenant compte de vos options. Lisez attentivement les caract\u00e9ristiques de vos produits pr\u00e9f\u00e9r\u00e9s pour vous faire une id\u00e9e de leurs performances globales (par exemple, si le syst\u00e8me d&rsquo;\u00e9chantillonnage entre les canaux est partag\u00e9, le nombre de canaux activ\u00e9s r\u00e9duira le taux d&rsquo;\u00e9chantillonnage).<\/p>\n\n\n\n<p>N&rsquo;oubliez pas de v\u00e9rifier que l&rsquo;oscilloscope peut \u00eatre utilis\u00e9 dans votre langue et assurez-vous que vous vous sentez \u00e0 l&rsquo;aise avec son interface utilisateur et son manuel d&rsquo;utilisation.<\/p>\n\n\n\n<h2 id=\"recommandations-de-produit\" class=\"wp-block-heading\">Recommandations de produit<\/h2>\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<p><strong>Oscilloscope \u00e0 \u00e9cran tactile avec option multim\u00e8tre<\/strong><\/p>\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-29739 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\/05\/30219800-03-1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-1.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-1.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-1.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-1.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-1.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-1.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=30219800\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Acheter Maintenant<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image\" id=\"block-0f9a7d95-eac7-4ccb-9786-d364dd28f890\"><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"This image has an empty alt attribute; its file name is Tektronix-TBS2074-30068202-01.jpg\"  class=\" pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/Tektronix-TBS2074-30068202-01.jpg\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 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.ch\/p\/30101725\" target=\"_blank\" rel=\"noreferrer noopener\"> Acheter Maintenant <\/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<p><strong>PicoScope 5444D<\/strong><\/p>\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-7822 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\/2021\/09\/pico-picoscope-5444b.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 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.ch\/p\/30101725\" target=\"_blank\" rel=\"noreferrer noopener\">Acheter Maintenant<\/a><\/div>\n<\/div>\n\n\n\n<p><strong>Rohde &amp; Schwarz RTM3K-104M<\/strong><\/p>\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-7836 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\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 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.ch\/p\/30101725\" target=\"_blank\" rel=\"noreferrer noopener\"> Acheter Maintenant <\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Avec plus de 500 oscilloscopes disponibles dans notre boutique en ligne Distrelec, il peut s&rsquo;av\u00e9rer difficile de trouver&hellip;\n","protected":false},"author":21,"featured_media":7773,"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":[181,184,192,187],"tags":[],"coauthors":[],"class_list":{"0":"post-7843","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-electronique","8":"category-maintenance-reparation-et-exploitation","9":"category-rnd-fr","10":"category-stem-et-education","11":"cs-entry","12":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un guide complet de l&#039;acheteur et de l&#039;utilisateur pour choisir le bon oscilloscope - KnowHow<\/title>\n<meta name=\"description\" content=\"Le choix du bon oscilloscope peut s&#039;av\u00e9rer probl\u00e9matique, m\u00eame pour les utilisateurs exp\u00e9riment\u00e9s. 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