{"id":3682,"date":"2021-09-13T10:28:47","date_gmt":"2021-09-13T10:28:47","guid":{"rendered":"https:\/\/telsamedia.co.uk\/classinstrument\/?page_id=3682"},"modified":"2026-04-29T14:56:27","modified_gmt":"2026-04-29T14:56:27","slug":"porte-coffre-fort-etanche-testeur","status":"publish","type":"page","link":"https:\/\/classltd.com\/fr\/door-safe-water-tight-tester\/","title":{"rendered":"Testeur d&#039;\u00e9tanch\u00e9it\u00e9 \u00e0 l&#039;eau DOOR-SAFE\u2122"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling hand-icon\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:100px;--awb-padding-bottom:100px;--awb-padding-top-medium:75px;--awb-padding-bottom-medium:75px;--awb-padding-top-small:50px;--awb-padding-bottom-small:50px;--awb-margin-bottom:-20px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:00px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one main-title\" style=\"--awb-margin-top:00px;--awb-margin-top-small:00px;--awb-margin-right-small:0px;--awb-margin-bottom-small:15px;--awb-margin-left-small:0px;--awb-margin-top-medium:00px;--awb-margin-bottom-medium:15px;\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">DOOR-SAFE\u2122 Water-Tight Tester<\/h1><\/div><div class=\"fusion-separator custome-sep\" style=\"align-self: flex-start;margin-right:auto;margin-top:0px;margin-bottom:30px;width:100%;max-width:120px;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:#fc6a20;border-color:#fc6a20;border-top-width:4px;\"><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-border-color:#e4e4e4;--awb-border-style:solid;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:00px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-four main-title\" style=\"--awb-text-color:#000000;--awb-margin-top:00px;--awb-margin-top-small:00px;--awb-margin-right-small:0px;--awb-margin-bottom-small:15px;--awb-margin-left-small:0px;--awb-margin-top-medium:00px;--awb-margin-bottom-medium:15px;\"><h4 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">WHAT IS DOOR-SAFE\u2122<\/h4><\/div><div class=\"fusion-text fusion-text-1\"><p>The DOOR-SAFE\u2122 is a fully ABS Type approved ultrasonic kit. It is used to rapidly and accurately test the integrity of watertight doors and hatches.<\/p>\n<p>The DOOR-SAFE\u2122 WT tester kit consists of 2 units. An ultrasonic transmitter and a portable, handheld receiver unit connected to a flexible inspection microphone and hard hat compatible headphones.<\/p>\n<p>The transmitter and receiver are each supplied in protective leather cases fitted with neck-straps to allow for hands-free use.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"text-align:right;--awb-margin-bottom:20px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"133\" height=\"75\" alt=\"ABS Approved Product\" title=\"ABS Approved Product\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27133%27%20height%3D%2775%27%20viewBox%3D%270%200%20133%2075%27%3E%3Crect%20width%3D%27133%27%20height%3D%2775%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.classltd.com\/wp-content\/uploads\/2021\/09\/small-abs2.png\" class=\"lazyload img-responsive wp-image-3529\"\/><\/span><\/div><div class=\"fusion-video fusion-vimeo\" style=\"--awb-max-width:1237.1px;--awb-max-height:695.86px;\"><div class=\"video-shortcode\"><div class=\"fluid-width-video-wrapper\" style=\"padding-top:56.25%;\" ><iframe title=\"Vimeo video player 1\" src=\"https:\/\/player.vimeo.com\/video\/787528921?autoplay=0&amp;autopause=0?amp;loop=0?autoplay=0&amp;autopause=0\" width=\"1237.1\" height=\"695.86\" allowfullscreen allow=\"autoplay; fullscreen\"><\/iframe><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><p>Often called UT or UT testing, the process consists of placing the transmitter on one side of whatever you are testing, and the receiver on the opposite end of what you are testing. The receiver is tuned to the transmitter frequency. The ultrasound can only travel through an air hole, so you immediately know if you have a problem. Ultrasound is not audible, so the receiver converts the ultrasound to an audible sound.<\/p>\n<p>The sound is played through headphones or a small internal speaker. If you need to know the side of the hole, we also have the products to display the intensity in decibels. A Decibel is the universal unit for sound measurement. The bigger the measurement of sound, the bigger the air hole you have.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:auto;--awb-margin-top-large:0px;--awb-spacing-right-large:2%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2%;--awb-width-medium:auto;--awb-order-medium:0;--awb-spacing-right-medium:2%;--awb-spacing-left-medium:2%;--awb-width-small:auto;--awb-order-small:0;--awb-spacing-right-small:2%;--awb-spacing-left-small:2%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div ><a class=\"fusion-button button-flat fusion-button-default-size button-custom fusion-button-default button-1 fusion-button-default-span fusion-button-default-type call-btn\" style=\"--button_accent_color:#ffffff;--button_accent_hover_color:#ffffff;--button_border_hover_color:#ffffff;--button_gradient_top_color:#00235a;--button_gradient_bottom_color:#00235a;--button_gradient_top_color_hover:#f08421;--button_gradient_bottom_color_hover:#f08421;\" target=\"_self\" href=\"https:\/\/www.classltd.com\/ultrasonic-test-equipment-quote-request\/\"><i class=\"fa-edit fas awb-button__icon awb-button__icon--default button-icon-left\" aria-hidden=\"true\"><\/i><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Get A Quote<\/span><\/a><\/div>\n<\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:auto;--awb-margin-top-large:0px;--awb-spacing-right-large:2%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2%;--awb-width-medium:auto;--awb-order-medium:0;--awb-spacing-right-medium:2%;--awb-spacing-left-medium:2%;--awb-width-small:auto;--awb-order-small:0;--awb-spacing-right-small:2%;--awb-spacing-left-small:2%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type call-btn\" target=\"_self\" href=\"https:\/\/www.classltd.com\/wp-content\/uploads\/2023\/01\/Door-Safe-leaflet-with-video.pdf\"><i class=\"fa-arrow-alt-down fas awb-button__icon awb-button__icon--default button-icon-left\" aria-hidden=\"true\"><\/i><span class=\"fusion-button-text awb-button__text awb-button__text--default\">DOOR-SAFE<\/span><\/a><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-bottom:100px;--awb-padding-bottom-medium:75px;--awb-padding-bottom-small:50px;--awb-margin-bottom:-20px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:50px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"awb-gallery-wrapper awb-gallery-wrapper-1 button-span-no\"><div style=\"margin:-12px;--awb-bordersize:0px;\" class=\"fusion-gallery fusion-gallery-container fusion-grid-4 fusion-columns-total-11 fusion-gallery-layout-grid fusion-gallery-1\"><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-being-used-on-a-RN-minesweeper-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-being-used-on-a-RN-minesweeper-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Door-Safe being used on a RN minesweeper\" aria-label=\"Door-Safe being used on a RN minesweeper\" class=\"img-responsive wp-image-4011 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-being-used-on-a-RN-minesweeper-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-being-used-on-a-RN-minesweeper-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-checking-container-doors-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-checking-container-doors-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Door-Safe checking container doors\" aria-label=\"Door-Safe checking container doors\" class=\"img-responsive wp-image-4012 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-checking-container-doors-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-checking-container-doors-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-transit-tesing-on-HMS-Queen-Elizabeth-aircraft-carrier-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-transit-tesing-on-HMS-Queen-Elizabeth-aircraft-carrier-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Door-Safe transit tesing on HMS Queen Elizabeth aircraft carrier\" aria-label=\"Door-Safe transit tesing on HMS Queen Elizabeth aircraft carrier\" class=\"img-responsive wp-image-4014 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-transit-tesing-on-HMS-Queen-Elizabeth-aircraft-carrier-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-transit-tesing-on-HMS-Queen-Elizabeth-aircraft-carrier-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-2.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-2-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Door-Safe -water-tight door 2\" aria-label=\"Door-Safe -water-tight door 2\" class=\"img-responsive wp-image-4015 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-2-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-2-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-3.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-3-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Door-Safe -water-tight door 3\" aria-label=\"Door-Safe -water-tight door 3\" class=\"img-responsive wp-image-4016 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-3-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-water-tight-door-3-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/QNLZ-visit.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/QNLZ-visit-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"QNLZ visit\" aria-label=\"QNLZ visit\" class=\"img-responsive wp-image-4017 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/QNLZ-visit-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/QNLZ-visit-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Weathertight-door-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Weathertight-door-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Weathertight door\" aria-label=\"Weathertight door\" class=\"img-responsive wp-image-4018 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Weathertight-door-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Weathertight-door-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Cargo-Safe-Data-in-use-Navy-door-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Cargo-Safe-Data-in-use-Navy-door-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Cargo-Safe Data in use Navy door\" aria-label=\"Cargo-Safe Data in use Navy door\" class=\"img-responsive wp-image-4019 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Cargo-Safe-Data-in-use-Navy-door-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Cargo-Safe-Data-in-use-Navy-door-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div class=\"clearfix\"><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Class-Instrumentation-Ltd-Door-Safe-in-action-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Class-Instrumentation-Ltd-Door-Safe-in-action-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Class Instrumentation Ltd Door-Safe in action\" aria-label=\"Class Instrumentation Ltd Door-Safe in action\" class=\"img-responsive wp-image-4020 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Class-Instrumentation-Ltd-Door-Safe-in-action-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Class-Instrumentation-Ltd-Door-Safe-in-action-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-in-use.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-in-use-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Door Safe in use\" aria-label=\"Door Safe in use\" class=\"img-responsive wp-image-4021 fusion-gallery-image-size-fixed\"  \/><\/a><\/div><\/div><div style=\"padding:12.5px;\" class=\"fusion-grid-column fusion-gallery-column fusion-gallery-column-4 hover-type-none\"><div class=\"fusion-gallery-image\"><a href=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-as-leak-detector-scaled.jpg\" rel=\"noreferrer\" data-rel=\"iLightbox[gallery_image_1]\" class=\"fusion-lightbox\" target=\"_self\"><img decoding=\"async\" src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-as-leak-detector-320x202.jpg\" width=\"320\" height=\"202\" alt=\"\" title=\"Door-Safe as leak-detector\" aria-label=\"Door-Safe as leak-detector\" class=\"img-responsive wp-image-4022 fusion-gallery-image-size-fixed\" srcset=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-as-leak-detector-320x202.jpg 320w, https:\/\/classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-as-leak-detector-700x441.jpg 700w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/a><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"accordian fusion-accordian faq-wrapper product-toggles\" style=\"--awb-border-size:1px;--awb-icon-size:20px;--awb-content-font-size:17px;--awb-icon-alignment:left;--awb-hover-color:#f9f9fb;--awb-border-color:#e2e2e2;--awb-background-color:#ffffff;--awb-divider-color:#e2e2e2;--awb-divider-hover-color:#e2e2e2;--awb-icon-color:#ffffff;--awb-title-color:#ff5e14;--awb-content-color:#4a4e57;--awb-icon-box-color:#150e81;--awb-toggle-hover-accent-color:#f08421;--awb-title-font-family:Arial, Helvetica, sans-serif;--awb-title-font-weight:400;--awb-title-font-style:normal;--awb-title-font-size:20px;--awb-content-font-family:Arial, Helvetica, sans-serif;--awb-content-font-style:normal;--awb-content-font-weight:400;\"><div class=\"panel-group fusion-toggle-icon-boxed\" id=\"accordion-3682-1\"><div class=\"fusion-panel panel-default panel-08a918df9cf6d88e5 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_08a918df9cf6d88e5\"><a aria-expanded=\"false\" aria-controls=\"08a918df9cf6d88e5\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-3682-1\" data-target=\"#08a918df9cf6d88e5\" href=\"#08a918df9cf6d88e5\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">HOW DOES DOOR-SAFE\u2122 WORK<\/span><\/a><\/h4><\/div><div id=\"08a918df9cf6d88e5\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_08a918df9cf6d88e5\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>The <strong>DOOR-SAFE\u2122 <\/strong>kit is contained in a blue plastic foam-lined case for easy storage and transportation.<\/p>\n<p>The <strong>DOOR-SAFE\u2122 <\/strong>transmitter generates ultrasound on one side of the door or hatch, and the receiver unit on the other side of the door or hatch tires to detect any ultrasound.<\/p>\n<p>If no ultrasound is detected the door or hatch is water-tight.<\/p>\n<p>If ultrasound can pass through the doors or hatch seals, it means that so can water.;<\/p>\n<p>If ultrasound is detected, it will be shown on the receiver unit in decibels, and also converted to an audible sound, which can be heard through the headphones.<\/p>\n<p>The size of the problem can be established from the strength of the signal displaced in dB (decibels). This is the Classification Society DNV requirement.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-bade867f71201f193 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_bade867f71201f193\"><a aria-expanded=\"false\" aria-controls=\"bade867f71201f193\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-3682-1\" data-target=\"#bade867f71201f193\" href=\"#bade867f71201f193\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">STEP BY STEP USING THE DOOR-SAFE\u2122<\/span><\/a><\/h4><\/div><div id=\"bade867f71201f193\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_bade867f71201f193\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<ol>\n<li>Plug in the headphones and inspection microphone to the receiver unit.<\/li>\n<\/ol>\n<ol start=\"2\">\n<li>Turn on the transmitter unit and place it on one side of the door or hatch.<\/li>\n<\/ol>\n<ol start=\"3\">\n<li>Obtain an open door value as a reference.<\/li>\n<\/ol>\n<ol start=\"4\">\n<li>Close and seal the door and from the other side, pass the inspection microphone over the door seals to see if any of the ultrasound emitted from the transmitter unit can be detected.<\/li>\n<\/ol>\n<ol start=\"5\">\n<li>To be water-tight the value must be 0 dB, if a value of 1-10% of the open door reference value is detected the seal is accepted as weather-tight, any readings above 10% of the open door value and the door is not weather or watertight<\/li>\n<\/ol>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-64f234f636ef9ae93 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_64f234f636ef9ae93\"><a aria-expanded=\"false\" aria-controls=\"64f234f636ef9ae93\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-3682-1\" data-target=\"#64f234f636ef9ae93\" href=\"#64f234f636ef9ae93\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">THE COMPLETE DOOR-SAFE\u2122 TESTING KIT INCLUDES:<\/span><\/a><\/h4><\/div><div id=\"64f234f636ef9ae93\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_64f234f636ef9ae93\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<ol>\n<li><strong>DOOR-SAFE\u2122 <\/strong>transmitter unit in a leather case with straps<\/li>\n<li><strong>DOOR-SAFE\u2122 <\/strong>receiver unit in a leather case with straps<\/li>\n<li>Flexible inspection microphone and lead<\/li>\n<li>Extension arm with non-slip grip<\/li>\n<li>Hard hat compatible or noise isolating padded headphones<\/li>\n<li>Tripod for transmitter placement<\/li>\n<li>Full operating instructions<\/li>\n<li>Certificate of calibration and conformity<\/li>\n<li>ABS Type approved certificate<\/li>\n<li>6 high power alkaline AA batteries<\/li>\n<li>PP3 9V battery<\/li>\n<li>Blue, foam-lined, stock-proof polymer, water-resistant carry case<\/li>\n<\/ol>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-22079d19d9068d914 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_22079d19d9068d914\"><a aria-expanded=\"false\" aria-controls=\"22079d19d9068d914\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-3682-1\" data-target=\"#22079d19d9068d914\" href=\"#22079d19d9068d914\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">WHAT CAN DOOR-SAFE\u2122 DO <\/span><\/a><\/h4><\/div><div id=\"22079d19d9068d914\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_22079d19d9068d914\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>The Class Instrumentation <strong>DOOR-SAFE\u2122 <\/strong>can be used to determine the integrity and water tightness of:<\/p>\n<ul>\n<li>Watertight doors in the offshore, marine and aerospace industries<\/li>\n<li>Watertight hatches<\/li>\n<li>Windows<\/li>\n<li>Navy watertight and weathertight doors and citadels<\/li>\n<li>Shipping containers<\/li>\n<li>Cars<\/li>\n<li>Yachts<\/li>\n<li>Caravans<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-4b6fbde43b4a73f4b fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_4b6fbde43b4a73f4b\"><a aria-expanded=\"false\" aria-controls=\"4b6fbde43b4a73f4b\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-3682-1\" data-target=\"#4b6fbde43b4a73f4b\" href=\"#4b6fbde43b4a73f4b\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">DOOR-SAFE\u2122 TECHNICAL SPECIFICATIONS<\/span><\/a><\/h4><\/div><div id=\"4b6fbde43b4a73f4b\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_4b6fbde43b4a73f4b\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<h6>Transmitter &#8211;<\/h6>\n<ul>\n<li>Weight &#8211; 475g (1lb 1oz)<\/li>\n<li>13 emitters giving omni-directional ultrasound emission<\/li>\n<li>Dual-frequency transmission &#8211; 39.95KHz and 40.04KHz for two-tone reception<\/li>\n<li>High power output = 200mW<\/li>\n<li>Low power output = 100mW<\/li>\n<li>Simple ON\/OFF control<\/li>\n<li>Built-in magnets for attaching to steel panelling or tripod<\/li>\n<li>Power supply &#8211; 6 x AA alkaline batteries<\/li>\n<li>25 hours battery life<\/li>\n<li>Dimensions &#8211; 190 x 100 x 60mm (max) (7.5\u201d x 3.9\u201d x 2.4\u201d)<\/li>\n<li>Dimensions in leather case &#8211; 220 x 120 x 80mm (max) (8.7\u201d x 4.7\u201d x 3.1\u201d)<\/li>\n<li>Weather proof leather case to IP66, designed to protect it if dropped<\/li>\n<li>Neck strap for hands free use<\/li>\n<\/ul>\n<h6>Receiver &#8211;<\/h6>\n<ul>\n<li>Weight &#8211; 350g (12.3oz)<\/li>\n<li>Internal 1 Watt loudspeaker &#8211; can be used instead of headphones<\/li>\n<li>Internal microphone &#8211; can be used in the event of microphone loss<\/li>\n<li>Numeric digital display with readings in dB scale &amp; bar graph<\/li>\n<li>PEAK HOLD capability to record the maximum reading<\/li>\n<li>Backlight button with ON\/OFF or auto OFF after 30 seconds<\/li>\n<li>Power supply &#8211; 1 x 9v PP3 rechargeable or alkaline battery<\/li>\n<li>Battery life &#8211; 40 hours nominal with a PP3 alkaline battery<\/li>\n<li>Dimensions &#8211; 160 x 100 x 30mm (6.3\u201d x 3.9\u201d x 1.2\u201d)<\/li>\n<li>Weatherproof leather case &#8211; IP66, designed to protect if dropped<\/li>\n<li>Neck and wrist straps for hands-free use<\/li>\n<\/ul>\n<h6>Microphone &#8211;<\/h6>\n<ul>\n<li>Weight &#8211; 110g (3.9oz)<\/li>\n<li>Dimensions &#8211; 330 x 10mm diameter (13\u201d x 0.4\u201d)<\/li>\n<li>Bright yellow to aid visibility<\/li>\n<li>1m (1 yard) lead<\/li>\n<li>BNC easy connection for instant replacement<\/li>\n<\/ul>\n<h6>Extension Arm &#8211;<\/h6>\n<ul>\n<li>Extension arm with non-slip grip attachment<\/li>\n<\/ul>\n<h6>Headphones &#8211; 2 different options &#8211;<\/h6>\n<ul>\n<li>Weight (option one) 50g (1.7oz)<\/li>\n<li>Weight (option two) 100g (3.4 oz)<\/li>\n<li>5mm stereo jack plug<\/li>\n<li>Volume control is independent of digital display<\/li>\n<li>Padded for noise insulation<\/li>\n<li>Hard hat compatible<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-0bacf7536271077f5 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_0bacf7536271077f5\"><a aria-expanded=\"false\" aria-controls=\"0bacf7536271077f5\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-3682-1\" data-target=\"#0bacf7536271077f5\" href=\"#0bacf7536271077f5\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">ACCREDITATIONS<\/span><\/a><\/h4><\/div><div id=\"0bacf7536271077f5\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_0bacf7536271077f5\"><div class=\"panel-body toggle-content fusion-clearfix\"><a href=\"https:\/\/www.classltd.com\/wp-content\/uploads\/2021\/10\/ABS-Manufacturing-Assessment-Certificate.pdf\">ABS Manufacturing Assessment<\/a><br \/>\n<a class=\"fusion-button button-flat fusion-button-default-size button-custom button-2 fusion-button-default-span fusion-button-default-type call-btn\" href=\"https:\/\/www.classltd.com\/wp-content\/uploads\/2021\/10\/ABS-Manufacturing-Assessment-Certificate.pdf\" target=\"_self\" rel=\"noopener\"><span class=\"fusion-button-text\">Download A Brochure<\/span><\/a><br \/>\n<a href=\"https:\/\/www.classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-ABS-Product-Type-Approval.pdf\"><strong>DOOR-SAFE\u2122<\/strong> ABS Product Type Approval<\/a><br \/>\n<a class=\"fusion-button button-flat fusion-button-default-size button-custom button-2 fusion-button-default-span fusion-button-default-type call-btn\" href=\"https:\/\/www.classltd.com\/wp-content\/uploads\/2021\/10\/Door-Safe-ABS-Product-Type-Approval.pdf\" target=\"_self\" rel=\"noopener\"><span class=\"fusion-button-text\">Download A Brochure<\/span><\/a><br \/>\nISO 9001:2015<\/p>\n<p>NATO Stock Number 6635-99-464-5624<\/p>\n<p>NCAGE Number U0B22<\/p>\n<p>IIMS Corporate Membership Number C508<\/p>\n<div class=\"fusion-image-carousel fusion-image-carousel-fixed fusion-image-carousel-1\"><div class=\"awb-carousel awb-swiper awb-swiper-carousel awb-carousel--carousel awb-swiper-dots-position-bottom\" data-layout=\"carousel\" data-autoplay=\"yes\" data-autoplayspeed=\"2500\" data-autoplaypause=\"no\" data-loop=\"yes\" data-columns=\"5\" data-columnsmedium=\"1\" data-columnssmall=\"1\" data-itemmargin=\"13\" data-itemwidth=\"180\" data-touchscroll=\"drag\" data-freemode=\"no\" data-imagesize=\"fixed\" data-scrollitems=\"0\" data-centeredslides=\"no\" data-rotationangle=\"50\" data-depth=\"100\" data-speed=\"500\" data-shadow=\"no\" data-pagination=\"bullets\"><div class=\"swiper-wrapper awb-image-carousel-wrapper fusion-flex-align-items-center\"><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-zoomin\"><img decoding=\"async\" width=\"200\" height=\"150\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27150%27%20viewBox%3D%270%200%20200%20150%27%3E%3Crect%20width%3D%27200%27%20height%3D%27150%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"\" data-orig-src=\"https:\/\/classltd.com\/wp-content\/uploads\/2022\/02\/3.png\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-zoomin\"><img decoding=\"async\" width=\"200\" height=\"150\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27150%27%20viewBox%3D%270%200%20200%20150%27%3E%3Crect%20width%3D%27200%27%20height%3D%27150%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"\" data-orig-src=\"https:\/\/classltd.com\/wp-content\/uploads\/2022\/02\/2-1.png\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-zoomin\"><img decoding=\"async\" width=\"200\" height=\"150\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27150%27%20viewBox%3D%270%200%20200%20150%27%3E%3Crect%20width%3D%27200%27%20height%3D%27150%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"\" data-orig-src=\"https:\/\/classltd.com\/wp-content\/uploads\/2022\/02\/1-1.png\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-zoomin\"><img decoding=\"async\" width=\"88\" height=\"98\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%2788%27%20height%3D%2798%27%20viewBox%3D%270%200%2088%2098%27%3E%3Crect%20width%3D%2788%27%20height%3D%2798%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" class=\"attachment-blog-medium size-blog-medium lazyload\" alt=\"NATO Commercial and Government Entity\" data-orig-src=\"https:\/\/classltd.com\/wp-content\/uploads\/2021\/09\/mod.jpg\" \/><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><div class=\"fusion-image-wrapper hover-type-zoomin\"><img decoding=\"async\" width=\"103\" height=\"103\" 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