{"id":10116973,"date":"2022-05-11T12:21:29","date_gmt":"2022-05-11T17:21:29","guid":{"rendered":"https:\/\/www.erbessd-instruments.com\/?p=10116973"},"modified":"2025-06-16T15:58:20","modified_gmt":"2025-06-16T20:58:20","slug":"bump-test","status":"publish","type":"post","link":"https:\/\/www.erbessd-instruments.com\/fr\/tutorials\/bump-test\/","title":{"rendered":"Bump Test"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10116973\" class=\"elementor elementor-10116973\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-1b74292 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1b74292\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-40a6f22\" data-id=\"40a6f22\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-027194b elementor-widget elementor-widget-text-editor\" data-id=\"027194b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1>Bump Test<\/h1>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-b80f052 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b80f052\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8d434b\" data-id=\"c8d434b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0be080f elementor-widget elementor-widget-text-editor\" data-id=\"0be080f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>To start this test, we configure the <strong>Trigger <\/strong>for the channel you wish to use, in this example Channel 1:<\/p><ul><li>go to the menu top bar and select \u201cTools\u201d<\/li><li>then \u201cPreferences\u201d<\/li><li>and \u201cChannels\u201d<\/li><\/ul><p>The checkbox for Channel 1 must be selected. You can choose more than 1 channel if you want to activate the trigger with other sensors.<br \/>Default trigger level is set at 1 mm\/s but if the vibration is already high because other machines are nearby, then increase this value to the level where the <strong>trigger <\/strong>is activated when you need it.<br \/><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-10096020 size-full\" src=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-1.jpg\" alt=\"\" width=\"404\" height=\"464\" srcset=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-1.jpg 404w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-1-261x300.jpg 261w\" sizes=\"(max-width: 404px) 100vw, 404px\" \/><br \/>Start a <strong>New Analysis <\/strong>with 1 channel.<br \/>Depending on the interface (2-channel or 4-channel) and how many vibration sensors are already placed in other directions, select more channels:<br \/><img decoding=\"async\" class=\"aligncenter wp-image-10096024 size-full\" src=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-2.jpg\" alt=\"\" width=\"1115\" height=\"261\" srcset=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-2.jpg 1115w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-2-300x70.jpg 300w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-2-1024x240.jpg 1024w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-2-768x180.jpg 768w\" sizes=\"(max-width: 1115px) 100vw, 1115px\" \/><br \/>Select the recording time (in this example 5 seconds). To launch the trigger recording click :<br \/><img decoding=\"async\" class=\"aligncenter wp-image-10096028 size-full\" src=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-3.jpg\" alt=\"\" width=\"1257\" height=\"372\" srcset=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-3.jpg 1257w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-3-300x89.jpg 300w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-3-1024x303.jpg 1024w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-3-768x227.jpg 768w\" sizes=\"(max-width: 1257px) 100vw, 1257px\" \/><br \/>You are ready now.<\/p><p>Click on the <strong>Trigger <\/strong>recording button and you can see that the system is working and waiting the bump because:<\/p><ul><li>The left column shows measurements of small vibrations where the sensor is placed<\/li><li>The graphics in time-domain and FFT are updating<\/li><li>There is no decreasing counter on the right of the recording time selector<\/li><\/ul><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10096032 size-full\" src=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-4.jpg\" alt=\"\" width=\"934\" height=\"431\" srcset=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-4.jpg 934w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-4-300x138.jpg 300w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-4-768x354.jpg 768w\" sizes=\"(max-width: 934px) 100vw, 934px\" \/><br \/>Hit the structure with a rubber hammer in a rapid movement and notice the decreasing counter starting<br \/>Let the vibration attenuate by itself until the end of the recording or stop the recording manually:<br \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10096040 size-full\" src=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-6.jpg\" alt=\"\" width=\"1255\" height=\"568\" srcset=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-6.jpg 1255w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-6-300x136.jpg 300w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-6-1024x463.jpg 1024w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-6-768x348.jpg 768w\" sizes=\"(max-width: 1255px) 100vw, 1255px\" \/><br \/>On the time domain graph, zoom-in the <strong>interesting zone <\/strong>avoiding the bump impact zone.<br \/>Left-click-and-hold in one zone and drag to another zone in the graph:<br \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10096076 size-full\" src=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-7.jpg\" alt=\"\" width=\"1225\" height=\"215\" srcset=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-7.jpg 1225w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-7-300x53.jpg 300w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-7-1024x180.jpg 1024w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-7-768x135.jpg 768w\" sizes=\"(max-width: 1225px) 100vw, 1225px\" \/><br \/>The resonant frequency of the structure you just hit (right-click on FFT graph for markers) is at 1332.53 CPM:<br \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10096108 size-full\" src=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-8.jpg\" alt=\"\" width=\"1232\" height=\"558\" srcset=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-8.jpg 1232w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-8-300x136.jpg 300w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-8-1024x464.jpg 1024w, https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-8-768x348.jpg 768w\" sizes=\"(max-width: 1232px) 100vw, 1232px\" \/><br \/>This test can be done placing the sensor in different directions or hitting the structure on other places and checking the results that can be very useful too to eliminate resonant frequencies that could lead to potential damage to the structure.<\/p><p>If you have any question, please contact us.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Bump Test To start this test, we configure the Trigger for the channel you wish to use, in this example Channel 1: go to the menu top bar and select \u201cTools\u201d then \u201cPreferences\u201d and \u201cChannels\u201d The checkbox for Channel 1 must be selected. You can choose more than 1 channel if you want to activate &#8230; <a title=\"Bump Test\" class=\"read-more\" href=\"https:\/\/www.erbessd-instruments.com\/fr\/tutorials\/bump-test\/\" aria-label=\"En savoir plus sur Bump Test\">Lire la suite<\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[260],"tags":[],"class_list":["post-10116973","post","type-post","status-publish","format-standard","hentry","category-tutorials"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bump Test &#8211; ERBESSD INSTRUMENTS<\/title>\n<meta name=\"description\" content=\"Bump TestTo start this test, we configure the Trigger for the channel you wish to use, in this example Channel 1:go to the menu top bar and select &#8211; ERBESSD INSTRUMENTS\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.erbessd-instruments.com\/tutorials\/bump-test\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bump Test\" \/>\n<meta property=\"og:description\" content=\"Bump TestTo start this test, we configure the Trigger for the channel you wish to use, in this example Channel 1:go to the menu top bar and select &#8211; ERBESSD INSTRUMENTS\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.erbessd-instruments.com\/tutorials\/bump-test\/\" \/>\n<meta property=\"og:site_name\" content=\"ERBESSD INSTRUMENTS\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/erbessdinstrumentsco\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-11T17:21:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-16T20:58:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.erbessd-instruments.com\/wp-content\/uploads\/2020\/07\/Bump-Test-1.jpg\" \/>\n<meta name=\"author\" content=\"Luis Sabido\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ErbessdRel\" \/>\n<meta name=\"twitter:site\" content=\"@ErbessdRel\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Luis Sabido\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Bump Test &#8211; 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