{"id":293,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/vane-passing-frequency\/"},"modified":"2026-05-23T22:46:43","modified_gmt":"2026-05-23T22:46:43","slug":"vane-passing-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/da\/glossary\/vane-passing-frequency\/","title":{"rendered":"Hvad er pumpevingepassagefrekvens? Diagnostik af pumpeblade"},"content":{"rendered":"<h1>Forst\u00e5else af vingepassagefrekvens<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/balanset-1\/\" title=\"B\u00e6rbart afbalanceringsapparat og vibrationsanalysator Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A komplet s\u00e6t med b\u00e6rbar afbalanceringsenhed og vibrationsanalysator\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/da\/product\/balanset-1\/\" title=\"B\u00e6rbart afbalanceringsapparat og vibrationsanalysator Balanset-1A\">B\u00e6rbart afbalanceringsapparat og vibrationsanalysator Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + moms (hvis relevant)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"L\u00e6g i kurv: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibrationssensor i n\u00e6rbillede\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/da\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">Vibrationssensor<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + moms (hvis relevant)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"L\u00e6g i kurv: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (laser-tachometer)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optisk sensor (laser-tachometer)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/da\/product-category\/parts\/\" rel=\"tag\">Dele<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/da\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (laser-tachometer)\">Optisk sensor (laser-tachometer)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + moms (hvis relevant)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"L\u00e6g i kurv: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotorbalanceringss\u00e6t: b\u00e6retaske, flerkanals signalbehandler, h\u00e5ndholdt analysator, magnetisk base, vibrationssensorer og spiralkabler.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/da\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + moms (hvis relevant)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"L\u00e6g i kurv: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/da\/product\/magnet-stand\/\" title=\"Magnetisk stativ Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetbase.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div 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title=\"Dynamisk balancer &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A-s\u00e6t med interface-enhed, sensorer, omdrejningst\u00e6ller og tilbeh\u00f8r\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, 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100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/da\/product-category\/devices\/\" rel=\"tag\">Enheder<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/da\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balancer &quot;Balanset-1A&quot; OEM\">Dynamisk balancer \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + moms (hvis relevant)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Tilf\u00f8j til kurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Tilf\u00f8j til kurv\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/da\/wp-json\/wp\/v2\/glossary\/293?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"L\u00e6g i kurv: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d er blevet tilf\u00f8jet til din kurv\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Tilf\u00f8j til kurv<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Vingepassagefrekvens<\/strong> (VPF \u2013 ogs\u00e5 kaldet skovlfrekvens eller blot skovlpassage) er den frekvens, hvormed skovlene p\u00e5 et roterende pumpehjul passerer et fast referencepunkt, s\u00e5som volutens sk\u00e6r (tunge), diffusorskovlene eller et andet element i pumpehuset. Den beregnes som antallet af skovle ganget med akselens omdrejningsfrekvens: <strong>VPF = N<sub>v<\/sub> \u00d7 RPM \/ 60<\/strong>. VPF er den direkte pumpe\u00e6kvivalent til <a href=\"https:\/\/vibromera.eu\/da\/glossary\/blade-passing-frequency\/\">bladpassagefrekvens<\/a> som ses hos vifter, og det er den dominerende hydrauliske <a href=\"https:\/\/vibromera.eu\/da\/glossary\/vibration\/\">vibrationer<\/a> kilde i centrifugalpumper, som typisk ligger mellem 100 og 500 Hz for industrielle maskiner. Overv\u00e5gning af VPF-amplituden og dens <a href=\"https:\/\/vibromera.eu\/da\/glossary\/harmonics\/\">harmoniske<\/a> giver vigtige diagnostiske oplysninger om pumpehjulets tilstand, den hydrauliske ydeevne og de indre afstande.<\/p>\n<h2>1. Beregning og typiske v\u00e6rdier<\/h2>\n<h3>Formel<\/h3>\n<blockquote><p><strong>VPF = N<sub>v<\/sub> \u00d7 N \/ 60<\/strong> &nbsp; where N<sub>v<\/sub> = antal skovle p\u00e5 pumpehjulet, N = akselhastighed i RPM, og resultatet er i Hz.<\/p><\/blockquote>\n<p>Da VPF altid er et heltal gange <a href=\"https:\/\/vibromera.eu\/da\/glossary\/running-speed\/\">l\u00f8behastighed<\/a> (1\u00d7) ligger den klart blandt de synkrone komponenter i spektret \u2014 det er en \u00e6gte bladfrekvens <a href=\"https:\/\/vibromera.eu\/da\/glossary\/harmonics\/\">harmonisk<\/a> af akselhastigheden, ikke en uafh\u00e6ngig frekvens.<\/p>\n<h3>Gennemarbejdede eksempler<\/h3>\n<ul>\n<li><strong>Small pump:<\/strong> 5 vinger ved 3500 o\/min \u2192 VPF = 5 \u00d7 3500 \/ 60 = <strong>292 Hz<\/strong>.<\/li>\n<li><strong>Stor procespumpe:<\/strong> 7 vinger ved 1750 o\/min \u2192 VPF = 7 \u00d7 1750 \/ 60 = <strong>204 Hz<\/strong>.<\/li>\n<li><strong>H\u00f8jhastighedspumpe:<\/strong> 6 vinger ved 4200 o\/min \u2192 VPF = 6 \u00d7 4200 \/ 60 = <strong>420 Hz<\/strong>.<\/li>\n<\/ul>\n<h3>Typisk antal vinger<\/h3>\n<ul>\n<li><strong>Centrifugalpumper:<\/strong> 3\u201312 vinger, hvoraf 5\u20137 er de mest almindelige.<\/li>\n<li><strong>Small pumps:<\/strong> f\u00e6rre vinger (3\u20135).<\/li>\n<li><strong>Large pumps:<\/strong> flere vinger (7\u201312).<\/li>\n<li><strong>H\u00f8jtrykspumper:<\/strong> flere vinger for at overf\u00f8re energi effektivt.<\/li>\n<\/ul>\n<p>Det er afg\u00f8rende at kende det n\u00f8jagtige antal skovle, da det er netop dette, der adskiller VPF fra en tilf\u00e6ldig akselharmonisk; hvis der ikke foreligger en tegning af pumpehjulet, kan antallet af skovle ofte fastsl\u00e5s ved at t\u00e6lle den harmoniske orden, hvor den dominerende hydrauliske spids ligger. <a href=\"https:\/\/vibromera.eu\/da\/calculators\/blade-pass-frequency\/\">Beregner til bladpassfrekvens<\/a> h\u00e5ndterer beregningerne for b\u00e5de pumper og ventilatorer, og <a href=\"https:\/\/vibromera.eu\/da\/calculators\/harmonic-frequency-calculator\/\">Harmonisk frekvensberegner<\/a> hj\u00e6lper med at placere VPF og dens multipler p\u00e5 frekvensaksen.<\/p>\n<h2>2. Den fysiske mekanisme<\/h2>\n<h3>Trykudsving<\/h3>\n<p>VPF skyldes variationer i det hydrauliske tryk snarere end mekanisk kraft. Forl\u00f8bet er som f\u00f8lger:<\/p>\n<ol>\n<li>Hver vinge p\u00e5 pumpehjulet f\u00f8rer v\u00e6sken udad med h\u00f8j hastighed.<\/li>\n<li>N\u00e5r en skovl passerer volutens sk\u00e6r, skaber den en skarp trykpuls.<\/li>\n<li>Trykforskellen p\u00e5 tv\u00e6rs af vingen \u00e6ndrer sig hurtigt i det \u00f8jeblik.<\/li>\n<li>Dette medf\u00f8rer en kraftimpuls p\u00e5 b\u00e5de l\u00f8behjulet og huset.<\/li>\n<li>With N<sub>v<\/sub> vanes, N<sub>v<\/sub> s\u00e5danne impulser forekommer ved hver omdrejning.<\/li>\n<li>Den resulterende pulsationsfrekvens er lig med skovlpassagefrekvensen \u2014 VPF.<\/li>\n<\/ol>\n<p>Dette g\u00f8r VPF til en af de klassiske <a href=\"https:\/\/vibromera.eu\/da\/glossary\/hydraulic-forces\/\">hydrauliske kr\u00e6fter<\/a> som virker p\u00e5 en pumpe, i mods\u00e6tning til rent mekaniske excitationer s\u00e5som <a href=\"https:\/\/vibromera.eu\/da\/glossary\/unbalance\/\">ubalance<\/a> eller defekter i lejerne.<\/p>\n<h3>Ved det optimale driftspunkt (BEP)<\/h3>\n<ul>\n<li>Indstr\u00f8mningsvinklen svarer til skovlvinklen.<\/li>\n<li>Str\u00f8mningen er j\u00e6vn med minimal turbulens.<\/li>\n<li>VPF-amplituden er moderat og stabil.<\/li>\n<li>Trykfordelingen omkring huset er n\u00e6sten optimal.<\/li>\n<\/ul>\n<h3>V\u00e6k fra designpunktet<\/h3>\n<ul>\n<li>Str\u00f8mningsvinklen stemmer ikke l\u00e6ngere overens med vinge-vinklen.<\/li>\n<li>Turbulensen og str\u00f8mningsafskilningen \u00f8ges.<\/li>\n<li>Trykudsvingene bliver kraftigere.<\/li>\n<li>VPF-amplituden stiger, ofte ledsaget af yderligere frekvenskomponenter.<\/li>\n<\/ul>\n<h2>3. Diagnostisk fortolkning<\/h2>\n<h3>Normal VPF-amplitude<\/h3>\n<ul>\n<li>Pumpen k\u00f8rer ved eller t\u00e6t p\u00e5 sit optimale effektivitetspunkt (BEP).<\/li>\n<li>VPF-amplituden er stabil ved gentagne m\u00e5linger.<\/li>\n<li>Typisk 10\u201330 % af 1\u00d7-vibrationsamplituden.<\/li>\n<li>Et rent spektrum med et minimalt indhold af harmoniske forvr\u00e6ngninger.<\/li>\n<\/ul>\n<h3>Hvad et forh\u00f8jet VPF-tal fort\u00e6ller dig<\/h3>\n<p><strong>K\u00f8rer uden for BEP.<\/strong> Drift ved lavt flow (under ca. 70 % af BEP) \u00f8ger VPF, ligesom drift ved h\u00f8jt flow (over ca. 120 % af BEP) g\u00f8r det; det optimale interval ligger p\u00e5 ca. 80\u2013110 % af BEP. Langvarig drift ved lavt flow er ogs\u00e5 forbundet med <a href=\"https:\/\/vibromera.eu\/da\/glossary\/recirculation\/\">intern recirkulation<\/a>.<\/p>\n<p><strong>Problemer med afstanden mellem pumpehjul og hus.<\/strong> Slidte slidringe eller et pumpehjul, der er forskudt p\u00e5 grund af <a href=\"https:\/\/vibromera.eu\/da\/glossary\/bearing-wear\/\">slid p\u00e5 lejer<\/a>, \u00f8ger driftsafstanden; VPF-amplituden stiger, efterh\u00e5nden som afstanden \u00f8ges, hvilket medf\u00f8rer et tab af ydeevne p\u00e5 grund af intern l\u00e6kage.<\/p>\n<p><strong>Skader p\u00e5 pumpehjulet.<\/strong> Br\u00e6kkede eller revnede skovle skaber asymmetri, hvilket giver VPF med <a href=\"https:\/\/vibromera.eu\/da\/glossary\/sidebands\/\">sideb\u00e5nd<\/a> ved \u00b11\u00d7 k\u00f8rselshastighed; erosion, aflejringer p\u00e5 vingerne eller skader for\u00e5rsaget af fremmedlegemer har samme virkning. Dette er typisk for bredere <a href=\"https:\/\/vibromera.eu\/da\/glossary\/impeller-defects\/\">defekter ved pumpehjulet<\/a>.<\/p>\n<p><strong>Hydraulisk resonans.<\/strong> Hvis VPF tilf\u00e6ldigvis falder sammen med en akustisk <a href=\"https:\/\/vibromera.eu\/da\/glossary\/resonance\/\">resonans<\/a> i r\u00f8rf\u00f8ringen eller pumpehuset forst\u00e6rkes amplituden dramatisk, undertiden s\u00e5 det driver kraftig strukturel vibration og st\u00f8j, der kr\u00e6ver \u00e6ndringer af systemet.<\/p>\n<h2>4. VPF-harmoniske og subharmoniske<\/h2>\n<h3>2\u00d7VPF og derover<\/h3>\n<p>Flere harmoniske af skovlpassagefrekvensen er et advarselstegn:<\/p>\n<ul>\n<li><strong>2\u00d7VPF present:<\/strong> tyder p\u00e5 uensartet afstand mellem skovlene eller excentricitet i pumpehjulet.<\/li>\n<li><strong>Flere harmoniske:<\/strong> kan tyde p\u00e5 kraftig hydraulisk turbulens eller skader p\u00e5 vingerne.<\/li>\n<li><strong>For store amplituder:<\/strong> \u00f8ge risikoen for <a href=\"https:\/\/vibromera.eu\/da\/glossary\/fatigue\/\">tr\u00e6thed<\/a> defekter i vinger og kabinet.<\/li>\n<\/ul>\n<h3>Subharmoniske<\/h3>\n<ul>\n<li>Br\u00f8kdele som f.eks. VPF\/2 eller VPF\/3.<\/li>\n<li>Tyder p\u00e5 str\u00f8mningsustabiliteter, herunder roterende stall og separationsceller.<\/li>\n<li>Forekommer oftest ved meget lave gennemstr\u00f8mningshastigheder og ligner andre <a href=\"https:\/\/vibromera.eu\/da\/glossary\/subharmonic\/\">subharmonisk<\/a> f\u00e6nomener.<\/li>\n<\/ul>\n<h2>5. Overv\u00e5gning og tendenser<\/h2>\n<h3>Etablering af en baseline<\/h3>\n<ul>\n<li>Registrer VPF, n\u00e5r pumpen er ny eller netop er blevet renoveret.<\/li>\n<li>Dokument\u00e9r det ved design-driftspunktet.<\/li>\n<li>Bestem det normale forhold mellem VPF og 1\u00d7-amplituden.<\/li>\n<li>Indstil alarmgr\u00e6nser, typisk 2\u20133 gange baselinjen for VPF-amplituden.<\/li>\n<\/ul>\n<h3>Trendparametre<\/h3>\n<ul>\n<li><strong>VPF-amplitude:<\/strong> overv\u00e5ges over tid; en st\u00f8t stigning er tegn p\u00e5 et begyndende problem.<\/li>\n<li><strong>VPF\/1\u00d7 ratio:<\/strong> b\u00f8r forblive relativt konstant.<\/li>\n<li><strong>Harmonisk indhold:<\/strong> fremkomsten eller v\u00e6ksten af 2\u00d7VPF og 3\u00d7VPF.<\/li>\n<li><strong>Udvikling af sideb\u00e5nd:<\/strong> Fremkomsten af sideb\u00e5nd p\u00e5 ca. 1\u00d7 omkring VPF.<\/li>\n<\/ul>\n<h3>Sammenhold med driftsforhold<\/h3>\n<ul>\n<li>Plot VPF mod gennemstr\u00f8mningshastigheden.<\/li>\n<li>Bestem driftsomr\u00e5det med den laveste VPF.<\/li>\n<li>Registrer, n\u00e5r driftspunktet er afveget.<\/li>\n<li>Sammenhold VPF-adf\u00e6rd med den m\u00e5lte ydelsesforringelse.<\/li>\n<\/ul>\n<p>This kind of <a href=\"https:\/\/vibromera.eu\/da\/glossary\/trend-analysis\/\">trendanalyse<\/a> afh\u00e6nger af konsistente, repeterbare spektre. En b\u00e6rbar tokanalsanalysator som f.eks. <a href=\"https:\/\/vibromera.eu\/da\/vare-2\/balanset-1\/\">Balanset-1A<\/a> captures the <a href=\"https:\/\/vibromera.eu\/da\/glossary\/spectrum\/\">FFT-spektrum<\/a> hvor VPF er tydeligt afgr\u00e6nset i det hydrauliske omr\u00e5de mellem 100 og 500 Hz, s\u00e5 en tekniker kan bekr\u00e6fte spidsen ved vingepassagen, overv\u00e5ge dens amplitude og sideb\u00e5nd fra bes\u00f8g til bes\u00f8g og udelukke mekaniske <a href=\"https:\/\/vibromera.eu\/da\/glossary\/unbalance\/\">ubalance<\/a> ind eller ud, f\u00f8r pumpen \u00e5bnes.<\/p>\n<h2>6. Afhj\u00e6lpende foranstaltninger<\/h2>\n<h3>Optimering af driftspunktet<\/h3>\n<ul>\n<li>Juster gennemstr\u00f8mningen, s\u00e5 pumpen kommer t\u00e6ttere p\u00e5 BEP.<\/li>\n<li>Begr\u00e6ns udledningen eller juster systemets modstand.<\/li>\n<li>Kontroller, at sugeforholdene er tilfredsstillende.<\/li>\n<\/ul>\n<h3>Mekanisk korrektion<\/h3>\n<ul>\n<li>Udskift slidte slidringe for at genoprette de konstruktionsm\u00e6ssige afstande.<\/li>\n<li>Udskift et slidt eller beskadiget pumpehjul.<\/li>\n<li>L\u00f8s de lejefejl, der g\u00f8r, at pumpehjulet kan forskubbe sig.<\/li>\n<li>Kontroller, at pumpehjulet er placeret korrekt, b\u00e5de i aksial og radial retning.<\/li>\n<\/ul>\n<h3>Hydrauliske forbedringer<\/h3>\n<ul>\n<li>Forbedr indl\u00f8bsr\u00f8rf\u00f8ringen for at mindske forhvirvling og turbulens.<\/li>\n<li>Monter str\u00f8mningsregulatorer, hvor det er relevant.<\/li>\n<li>S\u00f8rg for, at NPSH-margenen er tilstr\u00e6kkelig for at undg\u00e5 <a href=\"https:\/\/vibromera.eu\/da\/glossary\/cavitation\/\">kavitation<\/a>.<\/li>\n<li>Undg\u00e5 luftindblanding.<\/li>\n<\/ul>\n<h2>7. Forholdet til andre frekvenser<\/h2>\n<h3>VPF versus BPF<\/h3>\n<ul>\n<li>Begreberne bruges ofte i fl\u00e6ng om b\u00e5de pumper og ventilatorer.<\/li>\n<li><strong>VPF:<\/strong> det foretrukne udtryk for pumper (hvor vinger flytter v\u00e6ske).<\/li>\n<li><strong>BPF:<\/strong> det foretrukne udtryk for ventilatorer (blade, der flytter luft).<\/li>\n<li>Beregningsmetoden og den diagnostiske fremgangsm\u00e5de er identiske.<\/li>\n<\/ul>\n<h3>VPF kontra driftshastighed<\/h3>\n<ul>\n<li>VPF = N<sub>v<\/sub> \u00d7 (driftshastighedsfrekvens).<\/li>\n<li>VPF har altid en h\u00f8jere frekvens end 1\u00d7.<\/li>\n<li>For et 7-bladet pumpehjul ligger VPF for eksempel pr\u00e6cis p\u00e5 7 gange driftshastigheden.<\/li>\n<\/ul>\n<p>Skovlpassagefrekvens er den grundl\u00e6ggende hydrauliske vibrationskomponent i enhver centrifugalpumpe. At mestre dens beregning, skelne mellem normale og forh\u00f8jede amplituder og sammenholde dens m\u00f8nstre med b\u00e5de driftsforhold og pumpens tilstand g\u00f8r en enkelt spektralspids til et st\u00e6rkt diagnostisk v\u00e6rkt\u00f8j \u2014 og vejleder gode beslutninger om optimering af driftspunkt, genopretning af frigang og udskiftning af pumpehjul. Det er en hj\u00f8rnesten i en bredere <a href=\"https:\/\/vibromera.eu\/da\/glossary\/pump-defects\/\">fejldiagnose af pumpe<\/a>.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/da\/glossary\/\">\u2190 Tilbage til hovedindekset<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e6r om skovlpassagefrekvens (VPF), den hastighed, hvormed pumpens impellers skovle passerer station\u00e6r diffusor eller spiralformet vand, hvilket er afg\u00f8rende for at diagnosticere hydrauliske og mekaniske problemer.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-293","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/293\/revisions"}],"predecessor-version":[{"id":101369,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/glossary\/293\/revisions\/101369"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/media?parent=293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/categories?post=293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/da\/wp-json\/wp\/v2\/tags?post=293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}