{"id":5960,"date":"2022-05-17T19:11:28","date_gmt":"2022-05-17T19:11:28","guid":{"rendered":"https:\/\/chevrierinstruments.com\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/"},"modified":"2026-06-03T18:39:41","modified_gmt":"2026-06-03T18:39:41","slug":"detecteur-de-fuites-a-ultrasons-uld-300","status":"publish","type":"product","link":"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/","title":{"rendered":"Ultrasonic Leak Detectors"},"content":{"rendered":"<p class=\"a-spacing-base\">Find air leaks that drop down performance and incur additional power consumption, requiring more energy to compensate lost pressure. See the strength of the leak clearly on the large LCD bargraph and identify the source of the leak by listening to the converted audible sound emitted via the earbuds.&nbsp;When working in unpressurized systems or the pressure is not sufficient enough to detect or verify a leak with the Receiver alone use the Transmitter.<\/p>\n<h4>ULD-405<\/h4>\n<ul>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Adjustable Receiver sensitivity for accurate leak pinpointing<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">20 kHz to 90 kHz frequency range: optimal range for detecting a variety of leakage events<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">2.5\u201d LCD display with bargraph<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Parabola accessory directs the ultrasound towards the sensor<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Detachable Tubular Extension provides additional reach in hard to reach areas<\/span><\/span><\/li>\n<\/ul>\n<h4 class=\"product_title entry-title\">ULD-410<\/h4>\n<div class=\"woocommerce-product-details__short-description\">\n<ul class=\"a-unordered-list a-vertical\">\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Three Receiver filters to remove main noise frequencies in noisy environments<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Adjustable Receiver sensitivity for accurate leak pinpointing<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">20 kHz to 90 kHz frequency range: optimal range for detecting a variety of leakage events<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">2.5\u201d LCD display with bargraph<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Quality headphones to help identify the source of the leak<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Parabola accessory directs the ultrasound towards the sensor<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Detachable Tubular Extension provides additional reach in hard to reach areas<\/span><\/span><\/li>\n<\/ul>\n<h4>ULD-420<\/h4>\n<ul class=\"a-unordered-list a-vertical\">\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Transmitter generates an ultrasonic signal when working in unpressurized systems<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Three Receiver filters to remove main noise frequencies in noisy environments<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Adjustable Receiver sensitivity for accurate leak pinpointing<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">20 kHz to 90 kHz frequency range: optimal range for detecting a variety of leakage events<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">2.5\u201d LCD display with bargraph<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Quality headphones to help identify the source of the leak<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Parabola accessory directs the ultrasound towards the sensor<\/span><\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-size-base a-color-secondary\">Detachable Tubular Extension provides additional reach in hard to reach areas<\/span><\/span><\/li>\n<\/ul>\n<h4 class=\"yikes-custom-woo-tab-title yikes-custom-woo-tab-title-specifications\">Specifications<\/h4>\n<table style=\"border-color: #000000; width: 50.3285%; height: 948px;\" border=\"1\" data-mce-style=\"border-color: #000000; width: 50.3285%; height: 948px;\">\n<tbody>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\"><\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\"><strong>ULD-400-R Receiver<\/strong><\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\"><strong>ULD-400-T Transmitter<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Sensitivity Adjustment<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Yes<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Volume Adjustment<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Yes<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Signal Level Adjustment<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Yes<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Earphone Jack (3.5 mm)<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Yes<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Display Size<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">LCD 2.5 in (6.35 cm)<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 45px;\" data-mce-style=\"height: 45px;\">\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">Display Dimensions<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">1.45 x 1.93 in (36.72 x 48.96 mm)<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Display Resolution<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">240(RGB) x 320 pixels<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Display Type<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">TFT-LCD (262 K)<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Display Color<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">True, 16bit\/color<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 45px;\" data-mce-style=\"height: 45px;\">\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">Frequency Range<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">20 kHz to 90 kHz<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">Typical 40 kHz squarewave<\/td>\n<\/tr>\n<tr style=\"height: 66px;\" data-mce-style=\"height: 66px;\">\n<td style=\"height: 66px;\" width=\"225\" data-mce-style=\"height: 66px;\">Filter<\/td>\n<td style=\"height: 66px;\" width=\"225\" data-mce-style=\"height: 66px;\">\u00b15 KHz of main noise frequency, up to three filters<\/td>\n<td style=\"height: 66px;\" width=\"225\" data-mce-style=\"height: 66px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 45px;\" data-mce-style=\"height: 45px;\">\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">Power Supply<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">4 x 1.5 V AA (LR6) alkaline batteries<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">2 x 1.5 V AAA (LR03) alkaline batteries<\/td>\n<\/tr>\n<tr style=\"height: 45px;\" data-mce-style=\"height: 45px;\">\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">Power Consumption (typical)<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">75 mA<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">33 mA<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Battery Life (typical)<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">105 hours (Alkaline)<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">60 hours (Alkaline)<\/td>\n<\/tr>\n<tr style=\"height: 43px;\" data-mce-style=\"height: 43px;\">\n<td style=\"height: 43px;\" width=\"225\" data-mce-style=\"height: 43px;\">Low Battery Indication<\/td>\n<td style=\"height: 43px;\" width=\"225\" data-mce-style=\"height: 43px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3206\" src=\"https:\/\/amprobe.com\/wp-content\/uploads\/2019\/09\/16165853\/LowBattery.png\" alt=\"\" width=\"21\" height=\"34\" data-mce-src=\"https:\/\/amprobe.com\/wp-content\/uploads\/2019\/09\/16165853\/LowBattery.png\"><\/td>\n<td style=\"height: 43px;\" width=\"225\" data-mce-style=\"height: 43px;\">Yes (Red LED)<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Weight<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Approx. 0.518 lb (0.235 kg)<\/td>\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Approx. 0.335 lb (0.152 kg)<\/td>\n<\/tr>\n<tr style=\"height: 45px;\" data-mce-style=\"height: 45px;\">\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">Dimensions<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">7.547 x 2.984 x 1.791 in<br \/>(183 x 75 x 43 mm)<\/td>\n<td style=\"height: 45px;\" width=\"225\" data-mce-style=\"height: 45px;\">5.295 x 2.559 x 1.326 in<br \/>(137 x 65 x 33 mm)<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">APO function<\/td>\n<td style=\"height: 24px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 24px;\">60 minutes when in idle<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Operating Temperature<\/td>\n<td style=\"height: 24px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 24px;\">-4 \u00b0F to 122 \u00b0F (-20 \u00b0C to 50 \u00b0C)<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Storage Temperature<\/td>\n<td style=\"height: 24px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 24px;\">-4 \u00b0F to 158 \u00b0F (-20 \u00b0C to 70 \u00b0C)<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Operating Humidity<\/td>\n<td style=\"height: 24px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 24px;\">&lt;80% RH<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Pollution Degree<\/td>\n<td style=\"height: 24px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 24px;\">2<\/td>\n<\/tr>\n<tr style=\"height: 24px;\" data-mce-style=\"height: 24px;\">\n<td style=\"height: 24px;\" width=\"225\" data-mce-style=\"height: 24px;\">Protection<\/td>\n<td style=\"height: 24px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 24px;\">IP40<\/td>\n<\/tr>\n<tr style=\"height: 36px;\" data-mce-style=\"height: 36px;\">\n<td style=\"height: 36px;\" width=\"225\" data-mce-style=\"height: 36px;\">Certifications<\/td>\n<td style=\"height: 36px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 36px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2576\" src=\"https:\/\/amprobe.com\/wp-content\/uploads\/2019\/08\/29052130\/CE33-1.jpg\" alt=\"\" width=\"36\" height=\"27\" data-mce-src=\"https:\/\/amprobe.com\/wp-content\/uploads\/2019\/08\/29052130\/CE33-1.jpg\"><\/td>\n<\/tr>\n<tr style=\"height: 170px;\" data-mce-style=\"height: 170px;\">\n<td style=\"height: 170px;\" width=\"225\" data-mce-style=\"height: 170px;\">Electromagnetic Compatibility (EMC)<\/td>\n<td style=\"height: 170px;\" colspan=\"2\" width=\"450\" data-mce-style=\"height: 170px;\">EN 61326-1<br \/>Korea (KCC): Class A Equipment (Industrial Broadcasting &amp; Communication Equipment) [1]<br \/>[1] This product meets requirements for industrial (Class A) electromagnetic wave equipment and the seller or user should take notice of it. This equipment is intended for use in business environments and is not to be used in homes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<h2>ULD-405 \/ 410 \/ 420<\/h2>\n<p class=\"a-spacing-base\">When equipment begins to fail due to an air or gas leak or vibration, or electrical discharge, the leakage point emits an ultrasonic sound wave that is above the natural range of human hearing. The ULD-400 series Ultrasonic Leak Detector converts this ultrasonic sound into a signal that can be used to pinpoint the exact location of the equipment failure.<\/p>\n","protected":false},"featured_media":5941,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[2276,1477,1864,47],"product_tag":[528],"class_list":{"0":"post-5960","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-compressed-air-en","7":"product_cat-gas-detectors","8":"product_cat-gas-leaks","9":"product_cat-air-conditioning","10":"product_tag-air-duct-leak-tester","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-variable"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ultrasonic Leak Detectors - Chevrier Instruments inc.<\/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:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ultrasonic Leak Detectors - Chevrier Instruments inc.\" \/>\n<meta property=\"og:description\" content=\"ULD-405 \/ 410 \/ 420When equipment begins to fail due to an air or gas leak or vibration, or electrical discharge, the leakage point emits an ultrasonic sound wave that is above the natural range of human hearing. The ULD-400 series Ultrasonic Leak Detector converts this ultrasonic sound into a signal that can be used to pinpoint the exact location of the equipment failure.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/\" \/>\n<meta property=\"og:site_name\" content=\"Chevrier Instruments inc.\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-03T18:39:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/chevrierinstruments.com\/wp-content\/uploads\/2022\/05\/Ap-uld-405-r_01a_w-324x324-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"324\" \/>\n\t<meta property=\"og:image:height\" content=\"324\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/\",\"url\":\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/\",\"name\":\"Ultrasonic Leak Detectors - Chevrier Instruments inc.\",\"isPartOf\":{\"@id\":\"https:\/\/chevrierinstruments.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/chevrierinstruments.com\/wp-content\/uploads\/2022\/05\/Ap-uld-405-r_01a_w-324x324-1.jpg\",\"datePublished\":\"2022-05-17T19:11:28+00:00\",\"dateModified\":\"2026-06-03T18:39:41+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/#primaryimage\",\"url\":\"https:\/\/chevrierinstruments.com\/wp-content\/uploads\/2022\/05\/Ap-uld-405-r_01a_w-324x324-1.jpg\",\"contentUrl\":\"https:\/\/chevrierinstruments.com\/wp-content\/uploads\/2022\/05\/Ap-uld-405-r_01a_w-324x324-1.jpg\",\"width\":324,\"height\":324},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/chevrierinstruments.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ultrasonic Leak Detectors\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/chevrierinstruments.com\/en\/#website\",\"url\":\"https:\/\/chevrierinstruments.com\/en\/\",\"name\":\"Chevrier Instruments inc.\",\"description\":\"La r\u00e9f\u00e9rence en instruments de mesure\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/chevrierinstruments.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ultrasonic Leak Detectors - Chevrier Instruments inc.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/chevrierinstruments.com\/en\/produit\/detecteur-de-fuites-a-ultrasons-uld-300\/","og_locale":"en_US","og_type":"article","og_title":"Ultrasonic Leak Detectors - Chevrier Instruments inc.","og_description":"ULD-405 \/ 410 \/ 420When equipment begins to fail due to an air or gas leak or vibration, or electrical discharge, the leakage point emits an ultrasonic sound wave that is above the natural range of human hearing. 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