{"id":7503,"date":"2026-03-24T09:53:20","date_gmt":"2026-03-24T01:53:20","guid":{"rendered":"https:\/\/issrsensor.com\/?p=7503"},"modified":"2026-03-24T10:34:46","modified_gmt":"2026-03-24T02:34:46","slug":"capacitive-vs-ultrasonic-sensors-clear-object-detection","status":"publish","type":"post","link":"https:\/\/issrsensor.com\/fr\/capacitive-vs-ultrasonic-sensors-clear-object-detection\/","title":{"rendered":"Capteurs capacitifs ou ultrasoniques : Le guide ultime pour une d\u00e9tection claire des objets"},"content":{"rendered":"<div class=\"wp-block-stackable-text stk-block-text stk-block stk-3f5b2d2\" data-block-id=\"3f5b2d2\"><style>.stk-3f5b2d2 .stk-block-text__text{line-height:1.5em !important;}<\/style><p class=\"stk-block-text__text\">Ask any automation engineer about their biggest headache on a packaging line, and you\u2019ll likely hear the same answer: transparent objects. Whether it&#8217;s a sleek glass vial on a pharmaceutical track or a flimsy PET water bottle speeding down a conveyor, standard photoelectric sensors often fail. The light beam simply passes straight through the clear material\u2014a phenomenon known as &#8220;burn-through&#8221;\u2014resulting in false readings, missed counts, and costly line jams.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-f7d3ea7\" data-block-id=\"f7d3ea7\"><style>.stk-f7d3ea7 .stk-block-text__text{line-height:1.5em !important;}<\/style><p class=\"stk-block-text__text\">Lorsque les m\u00e9thodes optiques se heurtent \u00e0 un mur, les ing\u00e9nieurs doivent se tourner vers d'autres technologies. C'est ce qui nous am\u00e8ne au c\u0153ur de la technologie moderne des <a href=\"https:\/\/issrsensor.com\/products\/issr-all-in-one-ultrasonic-sensor-1m-range-level-object-detect\/\" type=\"link\" id=\"https:\/\/issrsensor.com\/products\/issr-all-in-one-ultrasonic-sensor-1m-range-level-object-detect\/\">capteur de d\u00e9tection d'objets clairs <\/a>selection: the battle between capacitive and ultrasonic sensors. Both can see the &#8220;invisible,&#8221; but they do so using entirely different principles. Let&#8217;s break down which technology is truly the master of transparent detection.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-d4c36eb\" data-block-id=\"d4c36eb\"><style>.stk-d4c36eb .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7506\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Challenges-In-Transparent-Object-Detection-Sensor-Selection.webp\" width=\"750\" height=\"414\" alt=\"D\u00e9fis en mati\u00e8re de d\u00e9tection d&#039;objets transparents S\u00e9lection des capteurs\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Challenges-In-Transparent-Object-Detection-Sensor-Selection.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Challenges-In-Transparent-Object-Detection-Sensor-Selection-300x166.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Challenges-In-Transparent-Object-Detection-Sensor-Selection-18x10.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-61eebea\" id=\"capacitive-sensors-close-quarters-detection-via-dielectric-constants\" data-block-id=\"61eebea\"><h2 class=\"stk-block-heading__text\">Capteurs capacitifs : D\u00e9tection de proximit\u00e9 via les constantes di\u00e9lectriques<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-6fd2d99\" data-block-id=\"6fd2d99\"><style>.stk-6fd2d99 .stk-block-text__text{line-height:1.5em !important;}<\/style><p class=\"stk-block-text__text\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Capacitive_sensing \" target=\"_blank\">Capteurs de proximit\u00e9 capacitifs<\/a> ne d\u00e9pendent pas de la lumi\u00e8re. Ils g\u00e9n\u00e8rent un champ \u00e9lectrostatique. Lorsqu'un objet p\u00e9n\u00e8tre dans ce champ, il modifie la capacit\u00e9 du circuit de l'oscillateur. Le capteur d\u00e9tecte ce changement dans la constante di\u00e9lectrique du mat\u00e9riau cible, ce qui d\u00e9clenche la sortie.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-df1bd73\" data-block-id=\"df1bd73\"><style>.stk-df1bd73 .stk-block-text__text{line-height:1.5em !important;}<\/style><p class=\"stk-block-text__text\"><strong>Quand le capacitif brille dans la d\u00e9tection claire : <\/strong>Parce qu'ils s'appuient sur les propri\u00e9t\u00e9s di\u00e9lectriques, les capteurs capacitifs sont totalement insensibles \u00e0 la couleur et \u00e0 la transparence. Ils peuvent facilement d\u00e9tecter les plastiques clairs, le verre et m\u00eame le niveau de liquide \u00e0 l'int\u00e9rieur d'un r\u00e9cipient transparent non m\u00e9tallique. En outre, leur format tr\u00e8s compact en fait un excellent choix pour les machines \u00e0 espace r\u00e9duit.<\/p><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p><strong>Limitations &#038; Pain Points:<\/strong> Cependant, la r\u00e9alit\u00e9 des ateliers expose les vuln\u00e9rabilit\u00e9s de la d\u00e9tection capacitive :<\/p>\n    <ul>\n        <li><strong>Port\u00e9e extr\u00eamement courte :<\/strong> Il s'agit d'appareils \u00e0 champ proche, dont la distance de d\u00e9tection maximale est comprise entre 2 et 20 mm.<\/li>\n        <li><strong>Sensibilit\u00e9 environnementale \u00e9lev\u00e9e :<\/strong> L'eau ayant une constante di\u00e9lectrique tr\u00e8s \u00e9lev\u00e9e, les capteurs capacitifs sont notoirement sensibles aux variations d'humidit\u00e9, \u00e0 la condensation et aux environnements humides. Une gouttelette d'eau sur la face du capteur peut facilement d\u00e9clencher un faux positif.<\/li>\n        <li><strong>Entretien fr\u00e9quent :<\/strong> If you switch your production run from a thick glass bottle to a thin plastic container, the dielectric mass changes significantly, often requiring manual retuning of the sensor&#8217;s potentiometer.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-8e86093\" data-block-id=\"8e86093\"><style>.stk-8e86093 .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7507\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/How-a-capacitive-sensor-works-for-short-range-transparent-object-detection.webp\" width=\"750\" height=\"409\" alt=\"Fonctionnement d&#039;un capteur capacitif pour la d\u00e9tection d&#039;objets transparents \u00e0 courte port\u00e9e\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/How-a-capacitive-sensor-works-for-short-range-transparent-object-detection.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/How-a-capacitive-sensor-works-for-short-range-transparent-object-detection-300x164.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/How-a-capacitive-sensor-works-for-short-range-transparent-object-detection-18x10.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-31b0eb7\" id=\"ultrasonic-sensors-the-acoustic-fortress-against-transparency\" data-block-id=\"31b0eb7\"><h2 class=\"stk-block-heading__text\">Ultrasonic Sensors: The &#8220;Acoustic Fortress&#8221; Against Transparency<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-b807415\" data-block-id=\"b807415\"><style>.stk-b807415 .stk-block-text__text{line-height:1.5em !important;}<\/style><p class=\"stk-block-text__text\">Si les capteurs capacitifs mesurent des propri\u00e9t\u00e9s \u00e9lectriques, <a href=\" https:\/\/issrsensor.com\/ultrasonic-sensors\/\" target=\"_blank\">capteurs \u00e0 ultrasons<\/a> mesurer le temps et le son. Utilisant le principe du sonar, un capteur ultrasonique \u00e9met des ondes sonores \u00e0 haute fr\u00e9quence et calcule le temps de vol (ToF) pour que l'\u00e9cho rebondisse sur la cible.<\/p><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p><strong>Les avantages inh\u00e9rents aux objets transparents :<\/strong> Pour un capteur \u00e0 ultrasons, la transparence optique n'existe tout simplement pas.<\/p>\n    <ul>\n        <li><strong>Ind\u00e9pendance des mat\u00e9riaux :<\/strong> Sound waves bounce back based on a material&#8217;s acoustic impedance, not its light transmissivity. Therefore, ultrasonic sensors are natively &#8220;color-blind&#8221; and handle glass, clear films, and plastics flawlessly.<\/li>\n        <li><strong>Robustesse environnementale :<\/strong> L'\u00e9clairage d'usine, les flashs puissants, les ombres et les environnements poussi\u00e9reux qui paralysent les capteurs optiques n'ont aucun impact sur les ondes sonores.<\/li>\n        <li><strong>Effet autonettoyant :<\/strong> La vibration \u00e0 haute fr\u00e9quence de la face du transducteur ultrasonique secoue activement les poussi\u00e8res l\u00e9g\u00e8res et la condensation, ce qui les rend incroyablement fiables dans les environnements lav\u00e9s ou humides.<\/li>\n    <\/ul>\n    <p><strong>Limites \u00e0 prendre en compte :<\/strong><\/p>\n    <ul>\n        <li><strong>La zone aveugle :<\/strong> Ultrasonic sensors have a &#8220;dead band&#8221; right in front of the transducer where they cannot detect objects. Targets must be kept outside this minimum distance.<\/li>\n        <li><strong>Angulation de la cible :<\/strong> Les surfaces lisses tr\u00e8s irr\u00e9guli\u00e8res ou fortement inclin\u00e9es peuvent d\u00e9vier l'onde sonore loin du r\u00e9cepteur, ce qui entra\u00eene une erreur de lecture.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-2ca1133\" data-block-id=\"2ca1133\"><style>.stk-2ca1133 .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7508\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Ultrasonic-sensors-reliably-detect-transparent-PET-bottles-using-sound-waves.webp\" width=\"750\" height=\"500\" alt=\"Les capteurs \u00e0 ultrasons d\u00e9tectent de mani\u00e8re fiable les bouteilles PET transparentes \u00e0 l&#039;aide d&#039;ondes sonores\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Ultrasonic-sensors-reliably-detect-transparent-PET-bottles-using-sound-waves.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Ultrasonic-sensors-reliably-detect-transparent-PET-bottles-using-sound-waves-300x200.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Ultrasonic-sensors-reliably-detect-transparent-PET-bottles-using-sound-waves-18x12.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-e667901\" id=\"the-showdown-capacitive-vs-ultrasonic-sensor-comparison\" data-block-id=\"e667901\"><h2 class=\"stk-block-heading__text\">L'\u00e9preuve de force : Comparaison des capteurs capacitifs et ultrasoniques<\/h2><\/div>\n\n\n\nLorsque vous \u00e9valuez un capteur capacitif par rapport \u00e0 un capteur \u00e0 ultrasons pour votre machine sp\u00e9cifique, utilisez ce tableau de r\u00e9f\u00e9rence rapide :\n<table>\n  <thead>\n    <tr>\n      <th>Fonctionnalit\u00e9<\/th>\n      <th>Capteurs capacitifs<\/th>\n      <th>Capteurs \u00e0 ultrasons<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td><strong>Principe de d\u00e9tection<\/strong><\/td>\n      <td>Champ \u00e9lectrostatique (constante di\u00e9lectrique)<\/td>\n      <td>Onde sonore m\u00e9canique (temps de vol)<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>Plage de d\u00e9tection<\/strong><\/td>\n      <td>Extr\u00eamement court (&lt; 20 mm)<\/td>\n      <td>Port\u00e9e moyenne \u00e0 longue (jusqu'\u00e0 6m+)<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>Exigences de surface<\/strong><\/td>\n      <td>N\u00e9cessite une masse de mat\u00e9riau suffisante, sensible \u00e0 la plan\u00e9it\u00e9<\/td>\n      <td>Sensible aux angles d'inclinaison extr\u00eames (&gt;15\u00b0)<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>Durabilit\u00e9 environnementale<\/strong><\/td>\n      <td>Mod\u00e9r\u00e9 (tr\u00e8s sensible \u00e0 l'humidit\u00e9)<\/td>\n      <td>Exceptionnel (insensible \u00e0 la poussi\u00e8re, \u00e0 la lumi\u00e8re et \u00e0 l'humidit\u00e9 l\u00e9g\u00e8re)<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>Configuration et r\u00e9glage<\/strong><\/td>\n      <td>\u00c9lev\u00e9 (n\u00e9cessite souvent un r\u00e9glage manuel du potentiom\u00e8tre)<\/td>\n      <td>Faible (la plupart disposent de simples boutons d'apprentissage)<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-e3487e8\" id=\"application-scenarios-which-should-you-choose\" data-block-id=\"e3487e8\"><h2 class=\"stk-block-heading__text\">Sc\u00e9narios d'application : Lequel choisir ?<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-d45fb11\" data-block-id=\"d45fb11\"><style>.stk-d45fb11 .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7504\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Capacitive-Sensors-for-Small-Object-Detection-and-Ultrasonic-Sensors-for-Transparent-Object-Detection.webp\" width=\"750\" height=\"500\" alt=\"Capteurs capacitifs pour la d\u00e9tection de petits objets et capteurs \u00e0 ultrasons pour la d\u00e9tection d&#039;objets transparents\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Capacitive-Sensors-for-Small-Object-Detection-and-Ultrasonic-Sensors-for-Transparent-Object-Detection.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Capacitive-Sensors-for-Small-Object-Detection-and-Ultrasonic-Sensors-for-Transparent-Object-Detection-300x200.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/Capacitive-Sensors-for-Small-Object-Detection-and-Ultrasonic-Sensors-for-Transparent-Object-Detection-18x12.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p><strong>Sc\u00e9nario A : D\u00e9tection \u00e0 grande vitesse de bouteilles transparentes<\/strong><\/p>\n    <ul>\n        <li><strong>Le point de douleur :<\/strong> Bouteilles transparentes empil\u00e9es les unes sur les autres sur un convoyeur \u00e0 grande vitesse.<\/li>\n        <li><strong>Le verdict :<\/strong> Ultrasonic. By targeting the bottleneck or using an analog output to map the &#8220;valleys&#8221; between bottles, ultrasonic technology provides flawless counting. It is the undisputed champion for transparent bottle detection.<\/li>\n    <\/ul>\n\n    <p><strong>Sc\u00e9nario B : Pi\u00e8ces en microplastique dans un bol d'alimentation<\/strong><\/p>\n    <ul>\n        <li><strong>Le point de douleur :<\/strong> De minuscules composants en plastique transparent se d\u00e9placent sur un rail tr\u00e8s \u00e9troit, dans un espace restreint.<\/li>\n        <li><strong>Le verdict :<\/strong> Capacitive. The ultra-short range and miniature housing options make capacitive sensors ideal for confirming the presence of tiny clear objects where an ultrasonic sensor&#8217;s blind zone would be an issue.<\/li>\n    <\/ul>\n\n    <p><strong>Sc\u00e9nario C : Contr\u00f4le du niveau de liquide dans des tubes transparents<\/strong><\/p>\n    <ul>\n        <li><strong>Le verdict :<\/strong> Cela d\u00e9pend. Si vous devez d\u00e9tecter le liquide \u00e0 travers la paroi d'un petit tube transparent, un capteur capacitif \u00e0 d\u00e9rivation est excellent. Si vous mesurez le niveau du haut vers le bas sans entrer en contact avec le liquide, un capteur \u00e0 ultrasons orient\u00e9 vers le bas est sup\u00e9rieur.<\/li>\n    <\/ul>\n\n    <p><strong>Sc\u00e9nario D : guidage de la bande de film transparent et contr\u00f4le de la tension<\/strong><\/p>\n    <ul>\n        <li><strong>Le point de douleur :<\/strong> Contr\u00f4le du diam\u00e8tre du bord ou du rouleau d'un film d'emballage transparent.<\/li>\n        <li><strong>Le verdict :<\/strong> Ultrasonic. Sound waves reliably bounce off the roll to monitor diameter, completely unaffected by the film&#8217;s transparency, color changes, or layered thickness. (Note: ISSR Sensor specializes in highly accurate ultrasonic web guiding solutions).<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-ba139ed\" id=\"engineers-best-practices-for-installation\" data-block-id=\"ba139ed\"><h2 class=\"stk-block-heading__text\">Meilleures pratiques de l'ing\u00e9nieur pour l'installation<\/h2><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>Pour garantir un temps de fonctionnement maximal, la mani\u00e8re dont vous installez le capteur est tout aussi importante que la technologie elle-m\u00eame.<\/p>\n    \n    <p><strong>Pour les capteurs \u00e0 ultrasons :<\/strong><\/p>\n    <ul style=\"margin-top: 0; padding-left: 20px;\">\n        <li style=\"margin-bottom: 1em;\"><strong>G\u00e9rer la zone aveugle :<\/strong> Si l'espace est restreint, monter le capteur l\u00e9g\u00e8rement en retrait ou utiliser un d\u00e9flecteur acoustique \u00e0 45 degr\u00e9s pour augmenter artificiellement la distance de propagation du son.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Ma\u00eetriser les angles :<\/strong> Pour les cibles rondes telles que les <a href=\"https:\/\/issrsensor.com\/products\/issr-all-in-one-ultrasonic-sensor-1m-range-level-object-detect\/\" target=\"_blank\">Capteur pour bouteilles PET transparentes<\/a> une l\u00e9g\u00e8re inclinaison de 10 \u00e0 15 degr\u00e9s peut contribuer \u00e0 minimiser les reflets ind\u00e9sirables sur l'arri\u00e8re-plan.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>\u00c9liminer la diaphonie :<\/strong> Si vous installez plusieurs capteurs \u00e0 ultrasons c\u00f4te \u00e0 c\u00f4te, veillez \u00e0 ce qu'ils soient synchronis\u00e9s ou multiplex\u00e9s via leurs fils de commande afin d'\u00e9viter que leurs ondes sonores ne se confondent.<\/li>\n    <\/ul>\n\n    <p><strong>Pour les capteurs capacitifs :<\/strong><\/p>\n    <ul style=\"margin-top: 0; padding-left: 20px;\">\n        <li>Veillez \u00e0 ce que la face de d\u00e9tection reste parfaitement propre. Toute accumulation d'humidit\u00e9 ou de r\u00e9sidus collants modifiera consid\u00e9rablement la lecture di\u00e9lectrique et provoquera des d\u00e9clenchements intempestifs.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-d174fc0\" id=\"the-final-verdict-the-best-solution-for-clear-objects\" data-block-id=\"d174fc0\"><h2 class=\"stk-block-heading__text\">Verdict final : la meilleure solution pour les objets clairs<\/h2><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>Lorsque l'on compare un <strong>capteur capacitif ou ultrasonique<\/strong>, Le choix se r\u00e9sume donc \u00e0 la port\u00e9e et \u00e0 l'environnement. Si vous d\u00e9tectez de petits objets \u00e0 bout portant dans un environnement parfaitement propre et climatis\u00e9, un capteur capacitif est un choix rentable.<\/p>\n    \n    <p>Cependant, pour la grande majorit\u00e9 des lignes modernes d'emballage, de produits alimentaires et de boissons, et de produits pharmaceutiques, <strong>capteurs \u00e0 ultrasons<\/strong> offrent un retour sur investissement (ROI) nettement plus \u00e9lev\u00e9. Leur immunit\u00e9 totale \u00e0 la transparence optique, leurs plages de d\u00e9tection plus longues et leur r\u00e9sistance robuste \u00e0 la contamination des ateliers en font la solution ultime pour le comptage de flacons en verre et la d\u00e9tection d'objets transparents.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-5157f49\" id=\"faq\" data-block-id=\"5157f49\"><h2 class=\"stk-block-heading__text\">FAQ<\/h2><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <div style=\"margin-bottom: 1.5em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>Q1 : Les capteurs \u00e0 ultrasons peuvent-ils d\u00e9tecter un film plastique transparent ?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A1 :<\/strong> Absolument. Les ondes sonores se r\u00e9fl\u00e9chissent sur l'imp\u00e9dance acoustique du film, sans tenir compte de sa transparence optique. Ils sont donc parfaits pour le guidage clair de la bande et la mesure du diam\u00e8tre des rouleaux.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 1.5em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>Q2 : Pourquoi mon capteur capacitif se d\u00e9clenche-t-il faussement dans un environnement humide ?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A2 :<\/strong> Les capteurs capacitifs mesurent les constantes di\u00e9lectriques. L'eau a une constante di\u00e9lectrique tr\u00e8s \u00e9lev\u00e9e (environ 80), tandis que la plupart des plastiques ont une constante di\u00e9lectrique de l'ordre de 2 \u00e0 3. M\u00eame une condensation mineure sur la face du capteur peut imiter une cible de grande taille et provoquer de faux d\u00e9clenchements.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 1.5em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>Q3 : Les capteurs photo\u00e9lectriques avec filtres de polarisation sont-ils meilleurs que les capteurs \u00e0 ultrasons ?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A3 :<\/strong> Les d\u00e9tecteurs reflex polaris\u00e9s constituent un progr\u00e8s par rapport aux faisceaux optiques standard pour les objets clairs, mais ils ont encore des difficult\u00e9s avec le verre tach\u00e9, les bouteilles \u00e0 facettes ou la poussi\u00e8re \u00e9paisse. Les d\u00e9tecteurs \u00e0 ultrasons contournent enti\u00e8rement les probl\u00e8mes optiques et offrent une solution \u00e0 long terme plus robuste.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 1.5em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>Q4 : Comment r\u00e9soudre le probl\u00e8me de la zone aveugle d'un capteur \u00e0 ultrasons ?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A4 :<\/strong> Si vous ne pouvez pas reculer le capteur, vous pouvez utiliser un tuyau sonore ou un bloc d\u00e9flecteur \u00e0 90 degr\u00e9s pour allonger la trajectoire de l'onde sonore sans occuper plus de place sur le ch\u00e2ssis de votre machine.<\/p>\n    <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-dd6da8e\" data-block-id=\"dd6da8e\"><style>.stk-dd6da8e hr.stk-block-divider__hr{background:var(--theme-palette-color-6, #edeff1) !important;width:100% !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-014b954\" id=\"related-products\" data-block-id=\"014b954\"><h4 class=\"stk-block-heading__text\">Produits apparent\u00e9s<\/h4><\/div>\n\n\n\n<div data-wp-context=\"{&quot;notices&quot;:[],&quot;hideNextPreviousButtons&quot;:false,&quot;isDisabledPrevious&quot;:true,&quot;isDisabledNext&quot;:false,&quot;ariaLabelPrevious&quot;:&quot;Produits pr\\u00e9c\\u00e9dents&quot;,&quot;ariaLabelNext&quot;:&quot;Produits suivants&quot;,&quot;collection&quot;:&quot;woocommerce\\\/product-collection\\\/hand-picked&quot;}\" data-wp-init=\"callbacks.onRender\" data-wp-interactive=\"woocommerce\/product-collection\" data-wp-router-region=\"wc-product-collection-10\" data-__private-preview-state=\"{&quot;isPreview&quot;:false,&quot;previewMessage&quot;:&quot;Actual products will vary depending on the page being viewed.&quot;}\" data-block-name=\"woocommerce\/product-collection\" data-collection=\"woocommerce\/product-collection\/hand-picked\" data-dimensions=\"{&quot;widthType&quot;:&quot;fill&quot;}\" data-display-layout=\"{&quot;type&quot;:&quot;flex&quot;,&quot;columns&quot;:4,&quot;shrinkColumns&quot;:true}\" data-hide-controls=\"[&quot;inherit&quot;,&quot;hand-picked&quot;,&quot;filterable&quot;,&quot;order&quot;]\" data-query-context-includes=\"[&quot;collection&quot;]\" data-query-id=\"10\" data-query=\"{&quot;perPage&quot;:8,&quot;pages&quot;:0,&quot;offset&quot;:0,&quot;postType&quot;:&quot;product&quot;,&quot;order&quot;:&quot;asc&quot;,&quot;orderBy&quot;:&quot;post__in&quot;,&quot;search&quot;:&quot;&quot;,&quot;exclude&quot;:[],&quot;inherit&quot;:false,&quot;taxQuery&quot;:[],&quot;isProductCollectionBlock&quot;:true,&quot;featured&quot;:false,&quot;woocommerceOnSale&quot;:false,&quot;woocommerceStockStatus&quot;:[&quot;instock&quot;,&quot;outofstock&quot;,&quot;onbackorder&quot;],&quot;woocommerceAttributes&quot;:[],&quot;woocommerceHandPickedProducts&quot;:[&quot;6637&quot;,&quot;6261&quot;,&quot;6617&quot;,&quot;6608&quot;,&quot;4854&quot;,&quot;6671&quot;],&quot;filterable&quot;:false,&quot;relatedBy&quot;:{&quot;categories&quot;:true,&quot;tags&quot;:true}}\" data-tag-name=\"div\" class=\"wp-block-woocommerce-product-collection is-layout-flow wp-block-woocommerce-product-collection-is-layout-flow\">\t\t<div data-wp-interactive=\"woocommerce\/store-notices\" class=\"wc-block-components-notices alignwide\">\n\t\t\t<template data-wp-each--notice=\"state.notices\" data-wp-each-key=\"context.notice.id\">\n\t\t\t\t<div\n\t\t\t\t\tclass=\"wc-block-components-notice-banner\"\n\t\t\t\t\tdata-wp-init=\"callbacks.scrollIntoView\"\n\t\t\t\t\tdata-wp-class--is-error=\"state.isError\"\n\t\t\t\t\tdata-wp-class--is-success=\"state.isSuccess\"\n\t\t\t\t\tdata-wp-class--is-info=\"state.isInfo\"\n\t\t\t\t\tdata-wp-class--is-dismissible=\"context.notice.dismissible\"\n\t\t\t\t\tdata-wp-bind--role=\"state.role\"\n\t\t\t\t\tdata-wp-watch=\"callbacks.injectIcon\"\n\t\t\t\t>\n\t\t\t\t\t<div class=\"wc-block-components-notice-banner__content\">\n\t\t\t\t\t\t<span data-wp-init=\"callbacks.renderNoticeContent\" aria-live=\"assertive\" aria-atomic=\"true\"><\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<button\n\t\t\t\t\t\tdata-wp-bind--hidden=\"!context.notice.dismissible\"\n\t\t\t\t\t\tclass=\"wc-block-components-button wp-element-button wc-block-components-notice-banner__dismiss contained\"\n\t\t\t\t\t\taria-label=\"D\u00e9sactiver cette notification\"\n\t\t\t\t\t\tdata-wp-on--click=\"actions.removeNotice\" data-no-translation-aria-label=\"\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\">\n\t\t\t\t\t\t\t<path d=\"M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z\" \/>\n\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/template>\n\t\t<\/div>\n\t\t<ul data-block-name=\"woocommerce\/product-template\" class=\"wc-block-product-template__responsive columns-4 wc-block-product-template wp-block-woocommerce-product-template is-layout-flow wp-block-woocommerce-product-template-is-layout-flow\" data-wp-on--scroll=\"actions.watchScroll\" data-wp-init=\"callbacks.initResizeObserver\"><li class=\"wc-block-product post-6637 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-distance-sensors product_cat-ultrasonic-sensors first instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":6637}'\n\t\t\t\tdata-wp-key=\"product-item-6637\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/fr\/products\/issr-4m-all-in-one-ultrasonic-level-distance-sensor-switch-analog-digital-output\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/4M-fully-integrated-ultrasonic-material-ranging-liquid-level-distance-sensor-ISUB4000-30GM85-01-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Capteur de distance de niveau de liquide \u00e0 ultrasons 4M enti\u00e8rement int\u00e9gr\u00e9-ISUB4000-30GM85-01\" data-testid=\"product-image\" data-image-id=\"6646\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/4M-fully-integrated-ultrasonic-material-ranging-liquid-level-distance-sensor-ISUB4000-30GM85-01-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/4M-fully-integrated-ultrasonic-material-ranging-liquid-level-distance-sensor-ISUB4000-30GM85-01-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/4M-fully-integrated-ultrasonic-material-ranging-liquid-level-distance-sensor-ISUB4000-30GM85-01-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/4M-fully-integrated-ultrasonic-material-ranging-liquid-level-distance-sensor-ISUB4000-30GM85-01-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/fr\/products\/issr-4m-all-in-one-ultrasonic-level-distance-sensor-switch-analog-digital-output\/\" target=\"_self\" >ISSRSensor 4M Capteur de distance de niveau \u00e0 ultrasons tout-en-un Interrupteur\/sortie analogique\/num\u00e9rique<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-6261 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-distance-sensors product_cat-ultrasonic-sensors  instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":6261}'\n\t\t\t\tdata-wp-key=\"product-item-6261\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/fr\/products\/high-precision-short-range-ultrasonic-sensor-isub500-18gm40\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/11\/ISUB500-18GM40-01-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"ISUB500-18GM40 Capteur \u00e0 ultrasons \u00e0 courte port\u00e9e pour la mesure de la distance-01\" data-testid=\"product-image\" data-image-id=\"6257\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/11\/ISUB500-18GM40-01-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/11\/ISUB500-18GM40-01-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/11\/ISUB500-18GM40-01-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/11\/ISUB500-18GM40-01-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/fr\/products\/high-precision-short-range-ultrasonic-sensor-isub500-18gm40\/\" target=\"_self\" >ISSRSensor 500mm Capteur de distance \u00e0 ultrasons de haute pr\u00e9cision et \u00e0 courte port\u00e9e\uff5c200kHz<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-6617 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-distance-sensors product_cat-ultrasonic-sensors  instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":6617}'\n\t\t\t\tdata-wp-key=\"product-item-6617\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/fr\/products\/issr-all-in-one-500mm-ultrasonic-sensor-switch-analog-data-output\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/500mm-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB500-30GM85-01-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"D\u00e9tecteur de distance \u00e0 ultrasons 500mm 200kHz enti\u00e8rement int\u00e9gr\u00e9-ISUB500-30GM85-01\" data-testid=\"product-image\" data-image-id=\"6618\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/500mm-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB500-30GM85-01-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/500mm-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB500-30GM85-01-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/500mm-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB500-30GM85-01-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/500mm-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB500-30GM85-01-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/fr\/products\/issr-all-in-one-500mm-ultrasonic-sensor-switch-analog-data-output\/\" target=\"_self\" >ISSRSensor Capteur \u00e0 ultrasons 500MM tout-en-un : Commutateur, sortie analogique et de donn\u00e9es<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-6608 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-distance-sensors product_cat-ultrasonic-sensors last instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":6608}'\n\t\t\t\tdata-wp-key=\"product-item-6608\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/fr\/products\/issr-all-in-one-ultrasonic-sensor-1m-range-level-object-detect\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"D\u00e9tecteur de distance \u00e0 ultrasons 1 m\u00e8tre 200kHz enti\u00e8rement int\u00e9gr\u00e9-ISUB1000-18GM75-01\" data-testid=\"product-image\" data-image-id=\"6609\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/fr\/products\/issr-all-in-one-ultrasonic-sensor-1m-range-level-object-detect\/\" target=\"_self\" >ISSRSensor Capteur ultrasonique tout-en-un : D\u00e9tection d'objets et de niveaux \u00e0 une port\u00e9e de 1m<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-4854 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-proximity-switches product_cat-ultrasonic-sensors first instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":4854}'\n\t\t\t\tdata-wp-key=\"product-item-4854\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/fr\/products\/miniature-ultrasonic-proximity-switch-isub250-f77k12\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB250-F77K12-Ultrasonic-proximity-switches-1-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"ISUB250-F77K12-D\u00e9tecteurs de proximit\u00e9 \u00e0 ultrasons-1\" data-testid=\"product-image\" data-image-id=\"4860\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB250-F77K12-Ultrasonic-proximity-switches-1-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB250-F77K12-Ultrasonic-proximity-switches-1-1024x1024.png 1024w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB250-F77K12-Ultrasonic-proximity-switches-1-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB250-F77K12-Ultrasonic-proximity-switches-1-768x768.png 768w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB250-F77K12-Ultrasonic-proximity-switches-1-1536x1536.png 1536w, 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D\u00e9tecteur de proximit\u00e9 \u00e0 ultrasons<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-6671 product type-product status-publish has-post-thumbnail product_cat-high-frequency-ultrasonic-transducer product_cat-ultrasonic-transducers  instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":6671}'\n\t\t\t\tdata-wp-key=\"product-item-6671\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/fr\/products\/issr-200khz-high-sensitivity-ultrasonic-transducer-sensor-for-double-sheet-distance-detection\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/200kHz-High-Frequency-High-Sensitivity-Ultrasonic-Ranging-Transducer-ISU200-16.7TRBJ-01-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Transducteur de port\u00e9e ultrasonique haute fr\u00e9quence et haute sensibilit\u00e9 200kHz-ISU200-16.7TRBJ-01\" data-testid=\"product-image\" data-image-id=\"6663\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/200kHz-High-Frequency-High-Sensitivity-Ultrasonic-Ranging-Transducer-ISU200-16.7TRBJ-01-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/200kHz-High-Frequency-High-Sensitivity-Ultrasonic-Ranging-Transducer-ISU200-16.7TRBJ-01-150x150.png 150w, 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Whether it&#8217;s a sleek glass vial on a pharmaceutical track or a flimsy PET water bottle speeding down a conveyor, standard photoelectric sensors often fail. The light beam simply passes straight through the clear [&hellip;]<\/p>","protected":false},"author":2,"featured_media":7505,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-7503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Capacitive vs Ultrasonic Sensors: Clear Object Detection<\/title>\n<meta name=\"description\" content=\"Struggling with clear object detection? 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