{"id":290,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/ultrasound-analysis\/"},"modified":"2026-05-23T22:32:15","modified_gmt":"2026-05-23T22:32:15","slug":"ultrasound-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/ultrasound-analysis\/","title":{"rendered":"Ph\u00e2n t\u00edch si\u00eau \u00e2m l\u00e0 g\u00ec? \u2013 Theo d\u00f5i t\u00ecnh tr\u1ea1ng"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 ph\u00e2n t\u00edch si\u00eau \u00e2m<\/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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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\/290?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>Ph\u00e2n t\u00edch si\u00eau \u00e2m<\/strong> \u2014 c\u00f2n g\u1ecdi l\u00e0 si\u00eau \u00e2m tr\u00ean kh\u00f4ng kh\u00ed v\u00e0 tr\u00ean c\u1ea5u tr\u00fac \u2014 l\u00e0 m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-monitoring\/\">gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng<\/a> c\u00f4ng ngh\u1ec7 l\u1eafng nghe c\u00e1c \u00e2m thanh t\u1ea7n s\u1ed1 cao n\u1eb1m ngo\u00e0i ph\u1ea1m vi nghe th\u00f4ng th\u01b0\u1eddng c\u1ee7a con ng\u01b0\u1eddi. Con ng\u01b0\u1eddi th\u01b0\u1eddng c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c t\u1ea7n s\u1ed1 l\u00ean \u0111\u1ebfn kho\u1ea3ng 20 kilohertz (kHz); c\u00e1c thi\u1ebft b\u1ecb si\u00eau \u00e2m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u00e2m thanh trong d\u1ea3i 20 kHz \u0111\u1ebfn 100 kHz. Nh\u1eefng ph\u00e1t x\u1ea1 t\u1ea7n s\u1ed1 cao n\u00e0y \u0111\u01b0\u1ee3c sinh ra b\u1edfi ma s\u00e1t, r\u1ed1i lo\u1ea1n d\u00f2ng ch\u1ea3y v\u00e0 ph\u00f3ng \u0111i\u1ec7n \u0111i\u1ec7n \u2014 ba \u0111i\u1ec1u g\u1ea7n nh\u01b0 lu\u00f4n \u0111i k\u00e8m v\u1edbi m\u1ed9t l\u1ed7i \u0111ang ph\u00e1t tri\u1ec3n. Thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n si\u00eau \u00e2m, chuy\u1ec3n \u0111\u1ed5i n\u00f3 th\u00e0nh t\u00edn hi\u1ec7u \u00e2m thanh c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c th\u00f4ng qua tai nghe, v\u00e0 \u0111o c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a n\u00f3 (bi\u00ean \u0111\u1ed9), \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng m\u1ee9c decibel (dB). Th\u1ef1c t\u1ebf, n\u00f3 cho ph\u00e9p m\u1ed9t ng\u01b0\u1eddi ki\u1ec3m tra &#8220;nghe&#8221; c\u00e1c v\u1ea5n \u0111\u1ec1 m\u00e0 n\u1ebfu kh\u00f4ng th\u00ec ho\u00e0n to\u00e0n im l\u1eb7ng, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t b\u1ed5 sung m\u1ea1nh m\u1ebd cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/thermography\/\">nhi\u1ec7t \u1ea3nh<\/a> trong m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/predictive-maintenance\/\">b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/a> ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: Ph\u00e2n t\u00edch si\u00eau \u00e2m l\u00e0 g\u00ec?<\/h2>\n<p>V\u1ec1 c\u1ed1t l\u00f5i, ph\u00e2n t\u00edch si\u00eau \u00e2m l\u00e0 v\u1ec1 vi\u1ec7c n\u1eafm b\u1eaft n\u0103ng l\u01b0\u1ee3ng \u00e2m thanh m\u00e0 tai con ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 ghi nh\u1eadn \u0111\u01b0\u1ee3c. V\u1eadt l\u00fd \u1edf \u0111\u00e2y r\u1ea5t quan tr\u1ecdng: s\u00f3ng si\u00eau \u00e2m c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn v\u00e0 t\u00ednh ch\u1ea5t h\u01b0\u1edbng cao, ch\u00fang suy gi\u1ea3m nhanh ch\u00f3ng theo kho\u1ea3ng c\u00e1ch v\u00e0 xuy\u00ean qua c\u00e1c r\u00e0o c\u1ea3n r\u1eafn. \u0110\u00e2y ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u l\u00e0m cho k\u1ef9 thu\u1eadt n\u00e0y r\u1ea5t h\u1eefu \u00edch cho ki\u1ec3m tra \u2014 v\u00ec \u00e2m thanh t\u1eaft \u0111i nhanh ch\u00f3ng, ph\u00e9p \u0111o l\u1edbn nh\u1ea5t c\u00f3 th\u1ec3 tin c\u1eady ch\u1ec9 ng\u01b0\u1ee3c tr\u1edf l\u1ea1i ngu\u1ed3n, cho ph\u00e9p m\u1ed9t nh\u00e2n vi\u00ean ki\u1ec3m tra x\u00e1c \u0111\u1ecbnh m\u1ed9t r\u00f2 r\u1ec9 ho\u1eb7c m\u1ed9t ti\u1ebfp \u0111i\u1ec3m b\u1ecb l\u1ed7i m\u1ed9t c\u00e1ch t\u1ef1 tin.<\/p>\n<p>Si\u00eau \u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 ma s\u00e1t (\u1ed5 c\u1ea7u kh\u00f4 ho\u1eb7c b\u1ecb h\u01b0 h\u1ecfng), nhi\u1ec5u \u0111\u1ed9ng (kh\u00ed tho\u00e1t ra qua m\u1ed9t khe nh\u1ecf), ho\u1eb7c ph\u00f3ng \u0111i\u1ec7n (tia cung, theo d\u00f5i v\u00e0 v\u01b0\u01a1ng mi\u1ec7n). D\u1ee5ng c\u1ee5 ph\u00e1t hi\u1ec7n ph\u00e1t x\u1ea1 n\u00e0y b\u1eb1ng c\u1ea3m bi\u1ebfn trong kh\u00f4ng kh\u00ed (m\u1ed9t micr\u00f4 si\u00eau \u00e2m) ho\u1eb7c c\u1ea3m bi\u1ebfn ti\u1ebfp x\u00fac (m\u1ed9t s\u00f3ng d\u1eabn \u0111\u01b0\u1ee3c \u1ea5n v\u00e0o b\u1ec1 m\u1eb7t \u0111\u1ec3 n\u1eafm b\u1eaft \u00e2m thanh lan truy\u1ec1n qua c\u1ea5u tr\u00fac). T\u00edn hi\u1ec7u b\u1eaft \u0111\u01b0\u1ee3c sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n v\u00e0 tr\u00ecnh b\u00e0y cho nh\u00e2n vi\u00ean ki\u1ec3m tra d\u01b0\u1edbi d\u1ea1ng c\u1ea3 m\u1ed9t t\u00f4ng \u00e2m c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c v\u00e0 m\u1ed9t m\u1ee9c dB b\u1eb1ng s\u1ed1, do \u0111\u00f3 ch\u1ea9n \u0111o\u00e1n k\u1ebft h\u1ee3p m\u1ed9t tai \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n v\u1edbi m\u1ed9t ph\u00e9p \u0111o kh\u00e1ch quan, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c theo d\u00f5i xu h\u01b0\u1edbng.<\/p>\n<h2>2. C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng: D\u1ecb h\u00f3a<\/h2>\n<p>C\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i b\u00ean trong m\u1ed9t thi\u1ebft b\u1ecb si\u00eau \u00e2m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>s\u1ef1 d\u1ecb \u0111i\u1ec7u<\/strong>. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111i\u1ec7n t\u1eed chuy\u1ec3n \u0111\u1ed5i ch\u00ednh x\u00e1c t\u00edn hi\u1ec7u si\u00eau \u00e2m t\u1ea7n s\u1ed1 r\u1ea5t cao, kh\u00f4ng th\u1ec3 nghe \u0111\u01b0\u1ee3c th\u00e0nh t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n trong ph\u1ea1m vi c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c, <em>kh\u00f4ng c\u00f3<\/em> thay \u0111\u1ed5i k\u00fd t\u1ef1 ban \u0111\u1ea7u c\u1ee7a \u00e2m thanh. &#8220;ti\u1ebfng x\u1ed5c x\u1ed5c&#8221; c\u1ee7a m\u1ed9t r\u00f2 r\u1ec9 kh\u00f4ng kh\u00ed n\u00e9n v\u1eabn nghe nh\u01b0 ti\u1ebfng x\u1ed5c x\u1ed5c trong tai nghe, v\u00e0 &#8220;ti\u1ebfng k\u00eau l\u00e1ch c\u00e1ch&#8221; c\u1ee7a m\u1ed9t cung \u0111i\u1ec7n v\u1eabn nghe nh\u01b0 ti\u1ebfng k\u00eau l\u00e1ch c\u00e1ch. S\u1ef1 d\u1ecbch thu\u1eadt trung th\u00e0nh \u0111\u00f3 l\u00e0 \u0111i\u1ec1u l\u00e0m cho ch\u1ea9n \u0111o\u00e1n tr\u1ef1c quan: m\u1ed9t nh\u00e2n vi\u00ean ki\u1ec3m tra h\u1ecdc c\u00e1ch nh\u1eadn d\u1ea1ng ch\u1eef k\u00fd c\u1ee7a m\u1ed7i l\u1ed7i b\u1eb1ng tai.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd t\u1ea7n s\u1ed1 trung gian ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch tr\u1ed9n t\u00edn hi\u1ec7u si\u00eau \u00e2m \u0111\u1ebfn v\u1edbi t\u1ea7n s\u1ed1 tham chi\u1ebfu \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ea1o ra b\u00ean trong d\u1ee5ng c\u1ee5. S\u1ef1 tr\u1ed9n t\u1ea1o ra t\u1ea7n s\u1ed1 ch\u00eanh l\u1ec7ch r\u01a1i v\u00e0o d\u1ea3i c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c. V\u00ec c\u00e1c m\u1ed1i quan h\u1ec7 bi\u00ean \u0111\u1ed9 ban \u0111\u1ea7u \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean, ph\u00e9p \u0111o decibel tr\u00ean \u0111\u1ed3ng h\u1ed3 v\u1eabn l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng c\u00f3 \u00fd ngh\u0129a, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c m\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ghi l\u1ea1i v\u00e0 theo d\u00f5i xu h\u01b0\u1edbng theo th\u1eddi gian \u2014 chuy\u1ec3n &#8220;nghe nh\u01b0 t\u1ec7 h\u01a1n&#8221; ch\u1ee7 quan th\u00e0nh m\u1ed9t m\u1ee9c t\u0103ng dB \u0111\u01b0\u1ee3c ghi ch\u00e9p h\u1ed7 tr\u1ee3 quy\u1ebft \u0111\u1ecbnh b\u1ea3o tr\u00ec.<\/p>\n<h2>3. \u1ee8ng d\u1ee5ng ch\u00ednh trong b\u1ea3o tr\u00ec<\/h2>\n<p>Ph\u00e2n t\u00edch si\u00eau \u00e2m l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111a n\u0103ng v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f3 gi\u00e1 tr\u1ecb cao:<\/p>\n<h3>a) Ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9<\/h3>\n<p>\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 c\u00f3 l\u1ee3i nh\u1ea5t v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh. D\u00f2ng kh\u00ed turbulent \u2014 kh\u00f4ng kh\u00ed n\u00e9n, h\u01a1i n\u01b0\u1edbc, nit\u01a1 ho\u1eb7c b\u1ea5t k\u1ef3 m\u00f4i ch\u1ea5t n\u00e0o d\u01b0\u1edbi \u00e1p l\u1ef1c \u2014 tho\u00e1t ra t\u1eeb \u1ed1ng, van ho\u1eb7c b\u00ecnh ch\u1ee9a t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn \u00e2m thanh si\u00eau \u00e2m d\u1ea3i r\u1ed9ng.<\/p>\n<ul>\n<li><strong>Quy tr\u00ecnh:<\/strong> M\u1ed9t thanh s\u00e1t ki\u1ec3m tra s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb si\u00eau \u00e2m c\u1ea7m tay v\u1edbi c\u1ea3m bi\u1ebfn trong kh\u00f4ng kh\u00ed \u0111\u1ec3 qu\u00e9t m\u1ed9t khu v\u1ef1c. D\u1ee5ng c\u1ee5 c\u00f3 t\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng cao, do \u0111\u00f3 khi \u0111\u01b0a g\u1ea7n h\u01a1n \u0111\u1ebfn v\u1ecb tr\u00ed r\u00f2 r\u1ec9, t\u00edn hi\u1ec7u \u00e2m thanh nghe \u0111\u01b0\u1ee3c trong tai nghe s\u1ebd to h\u01a1n v\u00e0 b\u00e0i \u0111\u1ecdc dB tr\u00ean \u0111\u1ed3ng h\u1ed3 t\u0103ng l\u00ean, h\u01b0\u1edbng d\u1eabn thanh s\u00e1t ki\u1ec3m tra th\u1eb3ng \u0111\u1ebfn ngu\u1ed3n.<\/li>\n<li><strong>Nh\u1eefng l\u1ee3i \u00edch:<\/strong> T\u00ecm v\u00e0 s\u1eeda ch\u1eefa r\u00f2 r\u1ec9 kh\u00f4ng kh\u00ed n\u00e9n c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m cho m\u1ed9t nh\u00e0 m\u00e1y h\u00e0ng ch\u1ee5c ho\u1eb7c th\u1eadm ch\u00ed h\u00e0ng tr\u0103m ngh\u00ecn \u0111\u00f4 la m\u1ed7i n\u0103m trong n\u0103ng l\u01b0\u1ee3ng b\u1ecb l\u00e3ng ph\u00ed. Kh\u00f4ng kh\u00ed n\u00e9n l\u00e0 m\u1ed9t trong nh\u1eefng ti\u1ec7n \u00edch \u0111\u1eaft nh\u1ea5t trong m\u1ed9t nh\u00e0 m\u00e1y, v\u00e0 m\u1ed9t r\u00f2 r\u1ec9 duy nh\u1ea5t c\u00f3 th\u1ec3 nghe th\u1ea5y n\u1ebfu b\u1ecf kh\u00f4ng x\u1eed l\u00fd s\u1ebd l\u00e0m t\u0103ng chi ph\u00ed m\u1ed7i gi\u1edd m\u00e1y n\u00e9n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 b\u00f9 \u0111\u1eafp.<\/li>\n<\/ul>\n<h3>b) Ki\u1ec3m tra \u0111i\u1ec7n<\/h3>\n<p>C\u00e1c s\u1ef1 c\u1ed1 \u0111i\u1ec7n nh\u01b0 <strong>h\u1ed3 quang, theo d\u00f5i v\u00e0 corona<\/strong> trong thi\u1ebft b\u1ecb \u0111i\u1ec7n \u00e1p trung v\u00e0 cao t\u1ea1o ra \u00e2m thanh si\u00eau \u00e2m, th\u01b0\u1eddng l\u00e0 tr\u01b0\u1edbc khi t\u1ea1o ra \u0111\u1ee7 nhi\u1ec7t \u0111\u1ec3 \u0111\u01b0\u1ee3c th\u1ea5y b\u1eb1ng camera h\u1ed3ng ngo\u1ea1i.<\/p>\n<ul>\n<li><strong>Quy tr\u00ecnh:<\/strong> M\u1ed9t thanh s\u00e1t ki\u1ec3m tra c\u00f3 th\u1ec3 qu\u00e9t an to\u00e0n c\u00e1c t\u1ee7 \u0111i\u1ec7n k\u00edn t\u1eeb b\u00ean ngo\u00e0i. \u00c2m thanh si\u00eau \u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u1ed9t l\u1ed7i tho\u00e1t ra qua kho\u1ea3ng tr\u1ed1ng kh\u00f4ng kh\u00ed trong c\u00e1c con d\u1ea5u c\u1ee7a t\u1ee7, do \u0111\u00f3 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng bao gi\u1edd ph\u1ea3i m\u1edf \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1.<\/li>\n<li><strong>Nh\u1eefng l\u1ee3i \u00edch:<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch xu\u1ea5t s\u1eafc, kh\u00f4ng ti\u1ebfp x\u00fac \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i \u0111i\u1ec7n nghi\u00eam tr\u1ecdng tr\u01b0\u1edbc khi ch\u00fang d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 tia \u0111i\u1ec7n, tr\u1ef1c ti\u1ebfp n\u00e2ng cao an to\u00e0n nh\u00e0 m\u00e1y. N\u00f3 c\u0169ng l\u00e0 m\u1ed9t b\u01b0\u1edbc s\u00e0ng l\u1ecdc l\u00fd t\u01b0\u1edfng \u0111\u1ec3 th\u1ef1c hi\u1ec7n <em>tr\u01b0\u1edbc<\/em> m\u1edf m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/thermography\/\">nhi\u1ec7t \u1ea3nh<\/a>, gi\u00fap quy\u1ebft \u0111\u1ecbnh xem b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 an to\u00e0n \u0111\u1ec3 m\u1edf hay kh\u00f4ng. C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ee9ng c\u1ea1nh c\u00e1c k\u1ef9 thu\u1eadt kh\u00f4ng x\u00e2m l\u1ea5n kh\u00e1c nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/non-destructive-testing\/\">ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y<\/a>.<\/li>\n<\/ul>\n<h3>c) Ki\u1ec3m tra c\u01a1 h\u1ecdc (B\u00f4i tr\u01a1n theo t\u00ecnh tr\u1ea1ng)<\/h3>\n<p>\u00c2m thanh si\u00eau \u00e2m c\u0169ng r\u1ea5t hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c v\u00f2ng bi cu\u1ed9n v\u00e0 \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh b\u00f4i tr\u01a1n \u2014 m\u1ed9t k\u1ef7 lu\u1eadt th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u00f4i tr\u01a1n d\u1ef1a tr\u00ean \u00e2m thanh ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n.<\/p>\n<ul>\n<li><strong>Quy tr\u00ecnh:<\/strong> M\u1ed9t c\u1ea3m bi\u1ebfn si\u00eau \u00e2m ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean ph\u1ea7n v\u1ecf c\u1ee7a v\u00f2m bi, b\u1eaft gi\u1eef \u00e2m thanh truy\u1ec1n qua c\u1ea5u tr\u00fac m\u00e0 v\u00f2m bi t\u1ea1o ra khi n\u00f3 quay.<\/li>\n<li><strong>Gi\u1ea3i th\u00edch:<\/strong>\n<ul>\n<li>M\u1ed9t \u1ed5 tr\u1ee5c kh\u1ecfe m\u1ea1nh, \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n t\u1ed1t s\u1ebd t\u1ea1o ra ti\u1ebfng \u201cr\u00edt\u201d nh\u1ecf v\u00e0 \u0111\u1ec1u.<\/li>\n<li>M\u1ed9t v\u00f2m bi c\u1ea7n nh\u1edbt cho th\u1ea5y b\u00e0i \u0111\u1ecdc dB cao h\u01a1n. M\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean b\u00f4i nh\u1edbt t\u1eeb t\u1eeb, d\u1eebng l\u1ea1i ngay khi m\u1ee9c dB b\u1eaft \u0111\u1ea7u gi\u1ea3m \u2014 ng\u0103n ch\u1eb7n b\u00f4i tr\u01a1n qu\u00e1 m\u1ee9c m\u00e0 ch\u00ednh n\u00f3 g\u00e2y ra <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-wear\/\">m\u00f2n \u1ed5 tr\u1ee5c<\/a> v\u00e0 h\u01b0 h\u1ecfng l\u00f5i.<\/li>\n<li>M\u1ed9t v\u00f2m bi v\u1edbi m\u1ed9t khi\u1ebfm khuy\u1ebft \u0111ang ph\u00e1t tri\u1ec3n nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spalling\/\">v\u1ebft n\u1ee9t<\/a> ph\u00e1t ra ti\u1ebfng &#8220;k\u00eau c\u00f3t&#8221; ho\u1eb7c &#8220;n\u1ed5&#8221; l\u1eb7p \u0111i l\u1eb7p l\u1ea1i khi c\u00e1c ph\u1ea7n t\u1eed l\u0103n cu\u1ed9n va ch\u1ea1m v\u00e0o khi\u1ebfm khuy\u1ebft, t\u1ea1o ra \u00e2m thanh r\u1ea5t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/early-warning\/\">c\u1ea3nh b\u00e1o s\u1edbm<\/a> c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-defects\/\">h\u1ecfng \u1ed5 tr\u1ee5c<\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4. Si\u00eau \u00e2m vs. Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/h2>\n<p>\u0110\u1ed1i v\u1edbi ph\u00e2n t\u00edch v\u00f2ng bi, si\u00eau \u00e2m v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a> b\u1ed5 sung h\u01a1n l\u00e0 c\u1ea1nh tranh. Si\u00eau \u00e2m th\u01b0\u1eddng t\u1ed1t h\u01a1n trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c s\u1ef1 c\u1ed1 \u1edf giai \u0111o\u1ea1n r\u1ea5t s\u1edbm (Giai \u0111o\u1ea1n 1) v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u00f4i tr\u01a1n, b\u1edfi v\u00ec d\u1ea5u hi\u1ec7u \u0111\u1ea7u ti\u00ean c\u1ee7a s\u1ef1 c\u1ed1 l\u00e0 m\u1ed9t ph\u00e1t x\u1ea1 t\u1ea7n s\u1ed1 cao m\u1edd nh\u1ea1t l\u00e2u tr\u01b0\u1edbc khi khi\u1ebfm khuy\u1ebft \u0111\u1ee7 l\u1edbn \u0111\u1ec3 l\u00e0m v\u00f2ng bi chuy\u1ec3n \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3. Ph\u00e2n t\u00edch rung \u0111\u1ed9ng t\u1ed1t h\u01a1n trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n b\u1ea3n ch\u1ea5t ch\u00ednh x\u00e1c c\u1ee7a s\u1ef1 c\u1ed1 \u1edf giai \u0111o\u1ea1n sau \u2014 v\u00ed d\u1ee5, \u0111\u1ec3 ph\u00e2n bi\u1ec7t m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bpfo\/\">t\u1ea7n s\u1ed1 th\u00f4ng qua qu\u1ea3 c\u1ea7u tr\u00ean v\u00f2ng ngo\u00e0i<\/a> khi\u1ebfm khuy\u1ebft t\u1eeb m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bpfi\/\">t\u1ea7n s\u1ed1 th\u00f4ng qua qu\u1ea3 c\u1ea7u tr\u00ean v\u00f2ng trong<\/a> khi\u1ebfm khuy\u1ebft \u2014 khi khi\u1ebfm khuy\u1ebft \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y trong rung \u0111\u1ed9ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a> v\u00e0 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00f4ng qua <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 l\u1ed7i \u1ed5 tr\u1ee5c<\/a>. Nhi\u1ec1u chuy\u00ean gia ph\u00e2n t\u00edch rung \u0111\u1ed9ng s\u1eed d\u1ee5ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-analysis\/\">ph\u00e2n t\u00edch \u0111\u01b0\u1eddng bao<\/a> \u0111\u1ec3 tr\u00edch xu\u1ea5t nh\u1eefng t\u00e1c \u0111\u1ed9ng v\u00f2ng bi s\u1edbm gi\u1ed1ng nhau t\u1eeb t\u00edn hi\u1ec7u rung \u0111\u1ed9ng, l\u00e0m h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa hai k\u1ef9 thu\u1eadt.<\/p>\n<h2>5. Vai tr\u00f2 c\u1ee7a si\u00eau \u00e2m trong m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh s\u00e2n \u0111o<\/h2>\n<p>Si\u00eau \u00e2m, h\u1ed3ng ngo\u1ea1i, ph\u00e2n t\u00edch d\u1ea7u v\u00e0 rung \u0111\u1ed9ng m\u1ed7i c\u00e1i nh\u00ecn m\u1ed9t kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a t\u00ecnh tr\u1ea1ng m\u00e1y, v\u00e0 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed9 tin c\u1eady m\u1ea1nh nh\u1ea5t x\u1ebfp ch\u00fang l\u1ea1i v\u1edbi nhau. Si\u00eau \u00e2m ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9, ti\u1ebfp x\u00fac t\u1ea1o ra tia l\u1eeda ho\u1eb7c v\u00f2ng bi b\u1ecb c\u1ed1 \u0111\u1ecbnh trong v\u00e0i gi\u00e2y; rung \u0111\u1ed9ng sau \u0111\u00f3 \u0111\u1ecbnh l\u01b0\u1ee3ng t\u00ecnh tr\u1ea1ng c\u01a1 h\u1ecdc v\u00e0 cho b\u1ea1n bi\u1ebft <em>T\u1ea1i sao<\/em>. Khi qu\u00e9t tuy\u1ebfn \u0111\u01b0\u1eddng ti\u1ebft l\u1ed9 \u00e2m thanh v\u00f2ng bi t\u0103ng ho\u1eb7c m\u1ee9c 1\u00d7 cao <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>, b\u01b0\u1edbc ti\u1ebfp theo t\u1ef1 nhi\u00ean l\u00e0 \u0111\u1eb7t m\u1ed9t c\u00f4ng c\u1ee5 hai k\u00eanh th\u1ef1c s\u1ef1 tr\u00ean m\u00e1y. M\u1ed9t b\u1ed9 ph\u00e2n t\u00edch v\u00e0 l\u00e2n b\u1eb1ng \u0111\u1ed9ng th\u00e1i nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> \u0111o k\u00edch th\u01b0\u1edbc 1\u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">bi\u00ean \u0111\u1ed9 v\u00e0 pha<\/a> trong c\u00e1c v\u00f2ng bi c\u1ee7a ch\u00ednh m\u00e1y \u1edf t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, v\u00ec v\u1eady khi si\u00eau \u00e2m \u0111\u00e3 ch\u1ec9 ra v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00e1y quay, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea9n \u0111o\u00e1n m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/imbalance\/\">s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng<\/a> v\u00e0 s\u1eeda ch\u1eefa n\u00f3 t\u1ea1i ch\u1ed7 \u2014 \u0111\u00f3ng v\u00f2ng l\u1eb7p gi\u1eefa ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda ch\u1eefa m\u00e0 kh\u00f4ng c\u1ea7n g\u1eedi rotor \u0111\u1ebfn m\u1ed9t c\u1eeda h\u00e0ng.<\/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>Gi\u1edbi thi\u1ec7u v\u1ec1 Ph\u00e2n t\u00edch si\u00eau \u00e2m, m\u1ed9t c\u00f4ng ngh\u1ec7 gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng ph\u00e1t hi\u1ec7n \u00e2m thanh t\u1ea7n s\u1ed1 cao \u0111\u1ec3 t\u00ecm r\u00f2 r\u1ec9 kh\u00ed n\u00e9n, l\u1ed7i \u0111i\u1ec7n v\u00e0 s\u1ef1 c\u1ed1 b\u00f4i tr\u01a1n.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-290","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/290","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":1,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/290\/revisions"}],"predecessor-version":[{"id":101267,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/290\/revisions\/101267"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}