{"id":128,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/frequency\/"},"modified":"2026-07-17T21:02:51","modified_gmt":"2026-07-17T21:02:51","slug":"frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/frequency\/","title":{"rendered":"T\u1ea7n s\u1ed1 trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng l\u00e0 g\u00ec?"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 t\u1ea7n s\u1ed1 trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/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\/vi\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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=\"B\u1ed9 \u0111\u1ea7y \u0111\u1ee7 m\u00e1y c\u00e2n b\u1eb1ng v\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng c\u1ea7m tay Balanset-1A\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">\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=\"C\u1eadn c\u1ea3nh c\u1ea3m bi\u1ebfn rung Balanset-1A\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">C\u1ea3m bi\u1ebfn rung<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">\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=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/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=\"B\u1ed9 d\u1ee5ng c\u1ee5 c\u00e2n b\u1eb1ng r\u00f4to Vibromera: h\u1ed9p \u0111\u1ef1ng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u \u0111a k\u00eanh, m\u00e1y ph\u00e2n t\u00edch c\u1ea7m tay, \u0111\u1ebf t\u1eeb, c\u1ea3m bi\u1ebfn rung v\u00e0 d\u00e2y c\u00e1p xo\u1eafn.\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb 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=\"\u0110\u1ebf nam ch\u00e2m.\" 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 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb Insize-60-kgf\">\u0110\u1ebf t\u1eeb Insize-60-kgf<\/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>46.00<\/span> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" 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\/vi\/product\/reflective-tape\/\" 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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">\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\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"B\u0103ng ph\u1ea3n quang\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">B\u0103ng ph\u1ea3n quang<\/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>10.00<\/span> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" 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\/vi\/product\/dynamic-balancer-balanset-1a\/\" 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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d 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=\"N\u1ed9i dung b\u1ed9 s\u1ea3n ph\u1ea9m Balanset-1A bao g\u1ed3m thi\u1ebft b\u1ecb giao di\u1ec7n, c\u1ea3m bi\u1ebfn, m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n\" 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, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d OEM\">M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/glossary\/128?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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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>T\u1ea7n s\u1ed1<\/strong> l\u00e0 th\u01b0\u1edbc \u0111o x\u00e1c \u0111\u1ecbnh t\u1ea7n su\u1ea5t di\u1ec5n ra c\u1ee7a m\u1ed9t s\u1ef1 ki\u1ec7n l\u1eb7p l\u1ea1i trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh \u2014 trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a>, n\u00f3 \u0111\u1ecbnh l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9 dao \u0111\u1ed9ng c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3. \u0110\u00e2y l\u00e0 tham s\u1ed1 quan tr\u1ecdng nh\u1ea5t duy nh\u1ea5t \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a v\u1ea5n \u0111\u1ec1 m\u00e1y m\u00f3c. Trong khi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/amplitude\/\">bi\u00ean \u0111\u1ed9<\/a> cho bi\u1ebft <em>m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng<\/em> c\u1ee7a m\u1ed9t rung \u0111\u1ed9ng, t\u1ea7n s\u1ed1 cho bi\u1ebft <em>ngu\u1ed3n<\/em>. \u0110\u1ecdc gi\u00e1 tr\u1ecb bi\u00ean \u0111\u1ed9 v\u00e0 b\u1ea1n s\u1ebd bi\u1ebft v\u1ea5n \u0111\u1ec1 t\u1ed3i t\u1ec7 \u0111\u1ebfn m\u1ee9c n\u00e0o; \u0111\u1ecdc t\u1ea7n s\u1ed1 c\u1ee7a n\u00f3 v\u00e0 b\u1ea1n s\u1ebd bi\u1ebft v\u1ea5n \u0111\u1ec1 l\u00e0 g\u00ec.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: T\u1ea7n s\u1ed1 Rung \u0111\u1ed9ng l\u00e0 g\u00ec?<\/h2>\n<p>T\u1ea7n s\u1ed1 m\u00f4 t\u1ea3 t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng tu\u1ea7n ho\u00e0n \u2014 s\u1ed1 chu k\u1ef3 dao \u0111\u1ed9ng ho\u00e0n to\u00e0n m\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn rung ho\u00e0n th\u00e0nh trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian. M\u1ed9t rotor quay \u1edf 1.800 rpm ho\u00e0n th\u00e0nh ba m\u01b0\u01a1i v\u00f2ng quay m\u1ed7i gi\u00e2y, do \u0111\u00f3 l\u1ef1c quay m\u1ed9t l\u1ea7n m\u00e0 n\u00f3 t\u1ea1o ra l\u1eb7p l\u1ea1i ba m\u01b0\u01a1i l\u1ea7n m\u1ed7i gi\u00e2y. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ecbnh k\u1ef3 n\u1eb1m b\u00ean trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> c\u00f3 t\u1ea7n s\u1ed1 ri\u00eang c\u1ee7a n\u00f3, v\u00e0 vi\u1ec7c t\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00f4ng vi\u1ec7c ch\u1ea9n \u0111o\u00e1n.<\/p>\n<p>\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 t\u1ea7n s\u1ed1 \u0111\u1ed9c l\u1eadp v\u1edbi bi\u00ean \u0111\u1ed9. M\u1ed9t rung \u0111\u1ed9ng c\u00f3 th\u1ec3 b\u1ea1o l\u1ef1c ho\u1eb7c h\u1ea7u nh\u01b0 kh\u00f4ng nh\u1eadn th\u1ea5y \u1edf t\u1ea7n s\u1ed1 ho\u00e0n to\u00e0n gi\u1ed1ng nhau; nh\u1eefng g\u00ec thay \u0111\u1ed5i khi m\u1ed9t l\u1ed7i ph\u00e1t tri\u1ec3n th\u01b0\u1eddng l\u00e0 bi\u00ean \u0111\u1ed9, trong khi t\u1ea7n s\u1ed1 v\u1eabn g\u1eafn ch\u1eb7t v\u1edbi c\u01a1 ch\u1ebf v\u1eadt l\u00fd t\u1ea1o ra n\u00f3. T\u00ednh \u1ed5n \u0111\u1ecbnh \u0111\u00f3 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u l\u00e0m cho t\u1ea7n s\u1ed1 tr\u1edf th\u00e0nh m\u1ed9t d\u1ea5u v\u00e2n tay \u0111\u00e1ng tin c\u1eady.<\/p>\n<h2>2. S\u1ee9c M\u1ea1nh Ch\u1ea9n \u0110o\u00e1n c\u1ee7a T\u1ea7n s\u1ed1<\/h2>\n<p>Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-diagnostics\/\">ch\u1ea9n \u0111o\u00e1n rung \u0111\u1ed9ng<\/a> l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 kh\u00ed v\u00e0 \u0111i\u1ec7n kh\u00e1c nhau t\u1ea1o ra rung \u0111\u1ed9ng \u1edf c\u00e1c t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c khi b\u1eaft \u0111\u1ea7u h\u1ecfng. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1 n\u00e0o c\u00f3 trong ch\u1eef k\u00fd rung \u0111\u1ed9ng c\u1ee7a m\u00e1y \u2014 v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a m\u1ed7i t\u1ea7n s\u1ed1 \u2014 m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 ch\u1ea9n \u0111o\u00e1n ch\u00ednh x\u00e1c th\u00e0nh ph\u1ea7n n\u00e0o g\u00e2y ra s\u1ef1 c\u1ed1. \u0110i\u1ec1u n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch m\u1ed9t b\u00e1c s\u0129 s\u1eed d\u1ee5ng \u1ed1ng nghe \u0111\u1ec3 l\u1eafng nghe c\u00e1c \u00e2m thanh \u0111\u1eb7c tr\u01b0ng ph\u1ea3n \u00e1nh c\u00e1c t\u00ecnh tr\u1ea1ng kh\u00e1c nhau.<\/p>\n<p>M\u1ed7i l\u1ed7i ti\u1ec1m \u1ea9n c\u00f3 ch\u1eef k\u00fd t\u1ea7n s\u1ed1 \u0111\u1eb7c tr\u01b0ng:<\/p>\n<ul>\n<li><strong>M\u1ea5t c\u00e2n b\u1eb1ng:<\/strong> m\u1ed9t v\u1ea5n \u0111\u1ec1 v\u1edbi to\u00e0n b\u1ed9 b\u1ed9 quay, ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>xu\u1ea5t hi\u1ec7n \u1edf t\u1ea7n s\u1ed1 quay c\u1ee7a tr\u1ee5c \u2014 <strong>1\u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a><\/strong>.<\/li>\n<li><strong>S\u1ef1 kh\u00f4ng c\u00e2n x\u1ee9ng:<\/strong> m\u1ed9t v\u1ea5n \u0111\u1ec1 trong kh\u1edbp n\u1ed1i gi\u1eefa hai tr\u1ee5c, ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/misalignment\/\">s\u1ef1 kh\u00f4ng th\u1eb3ng h\u00e0ng<\/a>, th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf g\u1ea5p \u0111\u00f4i t\u1ed1c \u0111\u1ed9 quay (<strong>2\u00d7<\/strong>), th\u01b0\u1eddng v\u1edbi m\u1ed9t \u0111\u1ec9nh cao <strong>3\u00d7<\/strong>.<\/li>\n<li><strong>L\u1ed7i \u1ed5 tr\u1ee5c:<\/strong> m\u1ed9t khi\u1ebfm khuy\u1ebft tr\u00ean v\u00f2ng bi cu\u1ed9n t\u1ea1o ra c\u00e1c t\u1ea7n s\u1ed1 kh\u00f4ng nguy\u00ean <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 l\u1ed7i \u1ed5 tr\u1ee5c<\/a> \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi h\u00ecnh h\u1ecdc \u0111\u01b0\u1eddng d\u1eabn v\u00e0 qu\u1ea3 c\u1ea7u c\u1ee7a n\u00f3 c\u00f9ng t\u1ed1c \u0111\u1ed9 tr\u1ee5c.<\/li>\n<li><strong>V\u1ea5n \u0111\u1ec1 b\u00e1nh r\u0103ng:<\/strong> c\u00e1c r\u0103ng \u0103n kh\u1edbp t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng \u1edf t\u1ea7n s\u1ed1 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-mesh-frequency\/\">t\u1ea7n s\u1ed1 \u0103n kh\u1edbp b\u00e1nh r\u0103ng<\/a> (GMF) \u2014 s\u1ed1 c\u1ee7a c\u00e1c r\u0103ng nh\u00e2n v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ee7a b\u00e1nh r\u0103ng \u2014 th\u01b0\u1eddng xung quanh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sidebands\/\">d\u1ea3i b\u00ean<\/a>.<\/li>\n<\/ul>\n<p>V\u00ec nh\u1eefng ch\u1eef k\u00fd n\u00e0y hi\u1ebfm khi tr\u00f9ng l\u1eb7p, m\u1ed9t ph\u1ed5 \u0111\u01b0\u1ee3c ph\u00e2n gi\u1ea3i t\u1ed1t c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t m\u1ea5t c\u00e2n b\u1eb1ng kh\u1ecfi \u0111\u1ed9 l\u1ec7ch t\u00e2m kh\u1ecfi v\u00f2ng bi h\u1ecfng m\u00e0 kh\u00f4ng c\u1ea7n m\u1edf m\u00e1y.<\/p>\n<h2>3. \u0110\u01a1n v\u1ecb t\u1ea7n s\u1ed1<\/h2>\n<p>T\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng nhi\u1ec1u \u0111\u01a1n v\u1ecb, v\u00e0 m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch c\u00f3 kinh nghi\u1ec7m c\u1ea7n th\u00e0nh th\u1ea1o t\u1ea5t c\u1ea3 ch\u00fang.<\/p>\n<h3>Hertz (Hz)<\/h3>\n<p>\u0110\u01a1n v\u1ecb qu\u1ed1c t\u1ebf (SI). M\u1ed9t hertz b\u1eb1ng m\u1ed9t chu k\u1ef3 tr\u00ean gi\u00e2y. \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n trong c\u00e1c ng\u1eef c\u1ea3nh khoa h\u1ecdc v\u00e0 h\u1ea7u h\u1ebft thi\u1ebft b\u1ecb, v\u00e0 \u0111\u00f3 l\u00e0 \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean tr\u1ee5c t\u1ea7n s\u1ed1 FFT.<\/p>\n<h3>Chu k\u1ef3 m\u1ed7i ph\u00fat (CPM)<\/h3>\n<p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong b\u1ea3o tr\u00ec c\u00f4ng nghi\u1ec7p v\u00ec n\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 quay, \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng s\u1ed1 v\u00f2ng quay tr\u00ean ph\u00fat (RPM). V\u00ec m\u1ed9t ph\u00fat ch\u1ee9a 60 gi\u00e2y, ph\u00e9p chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n gi\u1ea3n l\u00e0 <strong>CPM = Hz \u00d7 60<\/strong>. Do \u0111\u00f3, m\u1ed9t rung \u0111\u1ed9ng \u1edf 30 Hz b\u1eb1ng 1.800 CPM \u2014 v\u00e0 tr\u00ean m\u1ed9t m\u00e1y ch\u1ea1y \u1edf 1.800 rpm, \u0111\u1ec9nh \u0111\u00f3 n\u1eb1m ch\u00ednh x\u00e1c \u1edf t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, th\u01b0\u1eddng d\u1ec5 nh\u1eadn ra h\u01a1n \u1edf CPM so v\u1edbi Hz.<\/p>\n<h3>\u0110\u01a1n h\u00e0ng<\/h3>\n<p>C\u00e1c b\u1ed9i s\u1ed1 l\u00e0 b\u1ed9i c\u1ee7a t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng ri\u00eang c\u1ee7a m\u00e1y: t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng l\u00e0 b\u1ed9i s\u1ed1 1, g\u1ea5p \u0111\u00f4i t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng l\u00e0 b\u1ed9i s\u1ed1 2, v.v. L\u1ee3i \u00edch l\u00e0 c\u00e1c b\u1ed9i s\u1ed1 kh\u00f4ng \u0111\u1ed5i ngay c\u1ea3 khi m\u00e1y thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 \u2014 m\u1ea5t c\u00e2n b\u1eb1ng n\u1eb1m \u1edf b\u1ed9i s\u1ed1 1 cho d\u00f9 tr\u1ee5c quay \u1edf 900 hay 3.600 rpm, trong khi t\u1ea7n s\u1ed1 c\u1ee7a n\u00f3 t\u00ednh b\u1eb1ng Hz thay \u0111\u1ed5i. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1c b\u1ed9i s\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i v\u00e0 l\u00e0 c\u01a1 s\u1edf c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/order-analysis\/\">ph\u00e2n t\u00edch \u0111\u01a1n h\u00e0ng<\/a>. M\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/harmonic-frequency-calculator\/\">M\u00e1y t\u00ednh t\u1ea7n s\u1ed1 h\u00e0i<\/a> chuy\u1ec3n \u0111\u1ed5i RPM th\u00e0nh c\u00e1c t\u1ea7n s\u1ed1 1\u00d7 \u0111\u1ebfn 10\u00d7 c\u1ee7a n\u00f3 trong m\u1ed9t b\u01b0\u1edbc, v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/vibration-unit-converter\/\">C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb rung<\/a> x\u1eed l\u00fd s\u1ed5 s\u00e1ch Hz\u2013CPM.<\/p>\n<h2>4. C\u00e1ch x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1<\/h2>\n<p>C\u00e1c t\u1ea7n s\u1ed1 \u1ea9n trong t\u00edn hi\u1ec7u rung \u0111\u1ed9ng \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t b\u1eb1ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">Bi\u1ebfn \u0111\u1ed5i Fourier nhanh (FFT)<\/a>. M\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> ghi l\u1ea1i d\u1ea1ng s\u00f3ng th\u1eddi gian th\u00f4, v\u00e0 thu\u1eadt to\u00e1n FFT ph\u00e2n t\u00e1ch n\u00f3 th\u00e0nh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5 t\u1ea7n s\u1ed1<\/a> \u2014 m\u1ed9t bi\u1ec3u \u0111\u1ed3 hi\u1ec3n th\u1ecb t\u1eebng t\u1ea7n s\u1ed1 ri\u00eang l\u1ebb t\u1ea1o th\u00e0nh rung \u0111\u1ed9ng ph\u1ee9c t\u1ea1p, v\u1edbi chi\u1ec1u cao c\u1ee7a m\u1ed7i \u0111\u1ec9nh cho th\u1ea5y bao nhi\u00eau n\u0103ng l\u01b0\u1ee3ng n\u1eb1m \u1edf \u0111\u00f3. Nh\u00e2n vi\u00ean k\u1ef9 thu\u1eadt sau \u0111\u00f3 so kh\u1edbp c\u00e1c \u0111\u1ec9nh \u0111\u00f3 v\u1edbi ch\u1eef k\u00fd l\u1ed7i \u1edf tr\u00ean. Trong th\u1ef1c t\u1ebf, m\u1ed9t thi\u1ebft b\u1ecb di \u0111\u1ed9ng hai k\u00eanh nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> th\u1ef1c hi\u1ec7n FFT t\u1ea1i ch\u1ed7, \u0111o ph\u1ed5 t\u1eeb kho\u1ea3ng 5 Hz l\u00ean t\u1edbi 1000 Hz \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ecdc tr\u1ef1c ti\u1ebfp \u0111\u1ec9nh t\u1ed1c \u0111\u1ed9 ch\u1ea1y v\u00e0 c\u00e1c s\u00f3ng h\u00e0i c\u1ee7a n\u00f3 t\u1ea1i m\u00e1y, v\u1edbi xung tachometer m\u1ed7i v\u00f2ng quay x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c \u0111\u1ec9nh n\u00e0o l\u00e0 1\u00d7.<\/p>\n<h2>5. M\u1ed1i quan h\u1ec7 gi\u1eefa t\u1ea7n s\u1ed1, v\u1eadn t\u1ed1c v\u00e0 gia t\u1ed1c<\/h2>\n<p>V\u1edbi m\u1ed9t m\u1ee9c n\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng nh\u1ea5t \u0111\u1ecbnh, c\u00e1c bi\u00ean \u0111\u1ed9 c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/displacement\/\">s\u1ef1 d\u1ecbch chuy\u1ec3n<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/velocity\/\">v\u1eadn t\u1ed1c<\/a>, V\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/acceleration\/\">gia t\u1ed1c<\/a> ph\u1ee5 thu\u1ed9c m\u1ea1nh v\u00e0o t\u1ea7n s\u1ed1, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed7i \u0111\u01a1n v\u1ecb chi\u1ebfm \u01b0u th\u1ebf trong m\u1ed9t d\u1ea3i kh\u00e1c nhau:<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1 th\u1ea5p:<\/strong> \u0111\u1ed9 d\u1ecbch chuy\u1ec3n l\u00e0 l\u1edbn nh\u1ea5t, v\u00ec v\u1eady n\u00f3 l\u00e0 \u0111\u01a1n v\u1ecb t\u1ef1 nhi\u00ean cho chuy\u1ec3n \u0111\u1ed9ng tr\u1ee5c ch\u1eadm.<\/li>\n<li><strong>T\u1ea7n s\u1ed1 trung b\u00ecnh:<\/strong> v\u1eadn t\u1ed1c l\u00e0 l\u1edbn nh\u1ea5t v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u nh\u1ea5t, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-severity\/\">m\u1ee9c \u0111\u1ed9 rung<\/a> c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/iso-20816-1\/\">Ti\u00eau chu\u1ea9n ISO 20816<\/a> (ng\u01b0\u1eddi k\u1ebf nhi\u1ec7m hi\u1ec7n \u0111\u1ea1i c\u1ee7a ISO 10816) \u0111\u00e1nh gi\u00e1 s\u1ee9c kh\u1ecfe t\u1ed5ng th\u1ec3 c\u1ee7a m\u00e1y b\u1eb1ng v\u1eadn t\u1ed1c mm\/s.<\/li>\n<li><strong>T\u1ea7n s\u1ed1 cao:<\/strong> gia t\u1ed1c l\u00e0 l\u1edbn nh\u1ea5t, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh \u0111\u01a1n v\u1ecb l\u1ef1a ch\u1ecdn cho c\u00e1c t\u00edn hi\u1ec7u v\u00f2ng bi v\u00e0 b\u00e1nh r\u0103ng.<\/li>\n<\/ul>\n<p>Ch\u1ecdn sai \u0111\u01a1n v\u1ecb cho m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 c\u00f3 th\u1ec3 che gi\u1ea5u m\u1ed9t l\u1ed7i th\u1ef1c s\u1ef1 trong t\u1ea7ng nhi\u1ec5u; ch\u1ecdn \u0111\u00fang s\u1ebd l\u00e0m cho c\u00f9ng m\u1ed9t l\u1ed7i n\u1ed5i l\u00ean kh\u1ecfi bi\u1ec3u \u0111\u1ed3. Hi\u1ec3u theo c\u00e1ch n\u00e0y, t\u1ea7n s\u1ed1 l\u00e0 ch\u00eca kh\u00f3a m\u1edf ra ti\u1ec1m n\u0103ng ch\u1ea9n \u0111o\u00e1n c\u1ee7a ph\u00e2n t\u00edch rung \u0111\u1ed9ng \u2014 bi\u1ebfn m\u1ed9t t\u00edn hi\u1ec7u th\u00f4, r\u1ed1i tung t\u00f3ng th\u00e0nh th\u00f4ng tin b\u1ea3o tr\u00ec c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/\">\u2190 Quay l\u1ea1i M\u1ee5c l\u1ee5c ch\u00ednh<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 t\u1ea7n s\u1ed1 trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng. Hi\u1ec3u c\u00e1c \u0111\u01a1n v\u1ecb c\u1ee7a n\u00f3 (Hz, CPM), vai tr\u00f2 quan tr\u1ecdng c\u1ee7a n\u00f3 trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n c\u00e1c l\u1ed7i m\u00e1y m\u00f3c c\u1ee5 th\u1ec3 v\u00e0 c\u00e1ch \u0111o l\u01b0\u1eddng.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-128","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":4,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/128\/revisions"}],"predecessor-version":[{"id":102816,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/128\/revisions\/102816"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}