{"id":175,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/notch-filter\/"},"modified":"2026-05-23T22:44:07","modified_gmt":"2026-05-23T22:44:07","slug":"notch-filter","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/notch-filter\/","title":{"rendered":"B\u1ed9 l\u1ecdc Notch l\u00e0 g\u00ec? C\u00f4ng c\u1ee5 lo\u1ea1i b\u1ecf t\u1ea7n s\u1ed1"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 b\u1ed9 l\u1ecdc khuy\u1ebft d\u1ea3i<\/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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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\/175?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>A <strong>b\u1ed9 l\u1ecdc ch\u1eafn d\u1ea3i<\/strong> \u2014 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 l\u1ecdc d\u1eebng d\u1ea3i, b\u1ed9 l\u1ecdc t\u1eeb ch\u1ed1i d\u1ea3i ho\u1eb7c b\u1eaby t\u1ea7n s\u1ed1 \u2014 l\u00e0 m\u1ed9t ph\u1ea7n t\u1eed x\u1eed l\u00fd t\u00edn hi\u1ec7u l\u1ef1a ch\u1ecdn t\u1ea7n s\u1ed1 m\u1ea1nh m\u1ebd gi\u1ea3m <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> c\u00e1c th\u00e0nh ph\u1ea7n trong m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 h\u1eb9p trong khi \u0111\u1ec3 m\u1ecdi th\u1ee9 b\u00ean ngo\u00e0i d\u1ea3i \u0111\u00f3 v\u01b0\u1ee3t qua v\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng thay \u0111\u1ed5i. N\u00f3 l\u00e0 \u0111\u1ed1i l\u1eadp ch\u00ednh x\u00e1c c\u1ee7a m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/band-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng d\u1ea3i<\/a>: thay v\u00ec chuy\u1ec3n m\u1ed9t d\u1ea3i v\u00e0 ch\u1eb7n ph\u1ea7n c\u00f2n l\u1ea1i, n\u00f3 ch\u1eb7n m\u1ed9t d\u1ea3i v\u00e0 chuy\u1ec3n ph\u1ea7n c\u00f2n l\u1ea1i. Trong b\u1ed9 c\u00f4ng c\u1ee5 c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/signal-filtering\/\">l\u1ecdc t\u00edn hi\u1ec7u<\/a>, khe h\u1edf l\u00e0 d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt.<\/p>\n<p>TRONG <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a>, b\u1ed9 l\u1ecdc notch lo\u1ea1i b\u1ecf nhi\u1ec5u chi ph\u1ed1i nh\u01b0 ti\u1ebfng \u1ed3n \u0111i\u1ec7n 50\/60 Hz, tri\u1ec7t ti\u00eau th\u00e0nh ph\u1ea7n rung \u0111\u1ed9ng \u00e1p \u0111\u1ea3o (1&times; <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> \u1ea9n t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 kh\u00e1c), ho\u1eb7c gi\u1ea3m b\u1edbt m\u1ed9t c\u1ed9ng h\u01b0\u1edfng \u1ea9n chi ti\u1ebft ch\u1ea9n \u0111o\u00e1n. Th\u1ef1c t\u1ebf, ch\u00fang cho ph\u00e9p nh\u00e0 ph\u00e2n t\u00edch &#8220;nh\u00ecn xung quanh&#8221; m\u1ed9t t\u1ea7n s\u1ed1 chi\u1ebfm \u01b0u th\u1ebf \u0111\u1ec3 ti\u1ebft l\u1ed9 c\u00e1c th\u00e0nh ph\u1ea7n y\u1ebfu h\u01a1n nh\u01b0ng quan tr\u1ecdng v\u1ec1 m\u1eb7t ch\u1ea9n \u0111o\u00e1n \u1ea9n d\u01b0\u1edbi n\u00f3 trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a>.<\/p>\n<h2>1. \u0110\u1eb7c t\u00ednh B\u1ed9 l\u1ecdc<\/h2>\n<h3>T\u1ea7n s\u1ed1 trung t\u00e2m (t\u1ea7n s\u1ed1 khuy\u1ebft)<\/h3>\n<ul>\n<li>T\u1ea7n s\u1ed1 gi\u1ea3m t\u1ed1i \u0111a \u2014 c\u00e1i \u0111ang b\u1ecb &#8220;c\u1eaft khe h\u1edf&#8221;.<\/li>\n<li>\u0110\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh theo nhi\u1ec5u c\u1ee5 th\u1ec3 ho\u1eb7c t\u1ea7n s\u1ed1 kh\u00f4ng mong mu\u1ed1n<\/li>\n<li>S\u1ef1 gi\u1ea3m nh\u1eb9 th\u01b0\u1eddng l\u00e0 40&ndash;60 dB \u1edf trung t\u00e2m.<\/li>\n<\/ul>\n<h3>B\u0103ng th\u00f4ng khuy\u1ebft<\/h3>\n<ul>\n<li><strong>Khe h\u1edf h\u1eb9p:<\/strong> lo\u1ea1i b\u1ecf d\u1ea3i t\u1ea7n s\u1ed1 c\u1ef1c k\u1ef3 ch\u1ecdn l\u1ecdc (Q cao).<\/li>\n<li><strong>Notch r\u1ed9ng:<\/strong> lo\u1ea1i b\u1ecf d\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng h\u01a1n (Q th\u1ea5p).<\/li>\n<li><strong>H\u1ec7 s\u1ed1 Q:<\/strong> t\u1ea7n s\u1ed1 trung t\u00e2m chia cho b\u0103ng th\u00f4ng.<\/li>\n<li><strong>\u0110\u1eb7c tr\u01b0ng:<\/strong> Q = 10&ndash;50 cho c\u00e1c \u1ee9ng d\u1ee5ng rung \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h3>\u0110\u1ed9 s\u00e2u suy gi\u1ea3m<\/h3>\n<ul>\n<li>Kho\u1ea3ng c\u00e1ch t\u1ea7n s\u1ed1 khe h\u1edf b\u1ecb gi\u1ea3m.<\/li>\n<li>Th\u01b0\u1eddng l\u00e0 40&ndash;60 dB, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi gi\u1ea3m 100&ndash;1000&times;.<\/li>\n<li>B\u1ed9 l\u1ecdc c\u1ea5p cao h\u01a1n cung c\u1ea5p c\u00e1c notch s\u00e2u h\u01a1n.<\/li>\n<li>C\u00e1c t\u1ea7n s\u1ed1 l\u00e2n c\u1eadn ch\u1ecbu t\u00e1c \u0111\u1ed9ng t\u1ed1i thi\u1ec3u khi thi\u1ebft k\u1ebf t\u1ed1t.<\/li>\n<\/ul>\n<h2>2. C\u00e1c \u1ee8ng D\u1ee5ng Ph\u1ed5 Bi\u1ebfn<\/h2>\n<h3>Lo\u1ea1i b\u1ecf Nhi\u1ec5u \u0110i\u1ec7n<\/h3>\n<p>Lo\u1ea1i b\u1ecf nhi\u1ec5u \u0111i\u1ec7n l\u01b0\u1edbi l\u00e0 \u1ee9ng d\u1ee5ng c\u1ed5 \u0111i\u1ec3n:<\/p>\n<ul>\n<li><strong>Notch 60 Hz:<\/strong> lo\u1ea1i b\u1ecf nhi\u1ec5u \u0111i\u1ec7n 60 Hz \u1edf B\u1eafc M\u1ef9.<\/li>\n<li><strong>Notch 50 Hz:<\/strong> lo\u1ea1i b\u1ecf nhi\u1ec5u 50 Hz \u1edf Ch\u00e2u \u00c2u v\u00e0 Ch\u00e2u \u00c1.<\/li>\n<li><strong>S\u00f3ng h\u00e0i:<\/strong> C\u00e1c kh\u00eda b\u1ed5 sung \u1edf 120\/180\/240 Hz ho\u1eb7c 100\/150\/200 Hz<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> m\u1ed9t ph\u1ed5 s\u1ea1ch h\u01a1n cho ph\u00e9p nh\u00ecn th\u1ea5y r\u00f5 h\u01a1n dao \u0111\u1ed9ng c\u01a1 h\u1ecdc c\u01a1 b\u1ea3n.<\/li>\n<li><strong>Th\u1eadn tr\u1ecdng:<\/strong> kh\u00f4ng s\u1eed d\u1ee5ng n\u00f3 n\u1ebfu 2&times; t\u1ea7n s\u1ed1 l\u01b0\u1edbi (120 ho\u1eb7c 100 Hz) c\u00f3 gi\u00e1 tr\u1ecb ch\u1ea9n \u0111o\u00e1n \u2014 d\u1ea3i \u0111\u00f3 l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o ch\u00ednh c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/electrical-faults\/\">s\u1ef1 c\u1ed1 \u0111i\u1ec7n<\/a> trong \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<h3>Lo\u1ea1i b\u1ecf Th\u00e0nh ph\u1ea7n \u00c1p \u0111\u1ea3o<\/h3>\n<ul>\n<li><strong>M\u1ea5t c\u00e2n b\u1eb1ng nghi\u00eam tr\u1ecdng:<\/strong> \u00e1p d\u1ee5ng notch v\u00e0o th\u00e0nh ph\u1ea7n 1&times; \u0111\u1ec3 l\u1ed9 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.<\/li>\n<li><strong>Ti\u1ebfng \u1ed3n b\u00e1nh r\u0103ng cao:<\/strong> lo\u1ea1i b\u1ecf m\u1ed9t th\u00e0nh ph\u1ea7n chi\u1ebfm \u01b0u th\u1ebf <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/gear-mesh-frequency\/\">t\u1ea7n s\u1ed1 \u0103n kh\u1edbp b\u00e1nh r\u0103ng<\/a> \u0111\u1ec3 ph\u00e1t hi\u1ec7n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 v\u00f2ng bi<\/a>.<\/li>\n<li><strong>C\u1ed9ng h\u01b0\u1edfng m\u1ea1nh:<\/strong> lo\u1ea1i b\u1ecf c\u1ea5u tr\u00fac <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a> \u0111\u1ec3 nh\u00ecn th\u1ea5y k\u00edch th\u00edch \u0111\u1eb1ng sau n\u00f3.<\/li>\n<li><strong>M\u1ee5c \u0111\u00edch:<\/strong> ti\u1ebft l\u1ed9 th\u00f4ng tin ch\u1ea9n \u0111o\u00e1n b\u1ecb che gi\u1ea5u.<\/li>\n<\/ul>\n<h3>Lo\u1ea1i b\u1ecf C\u1ed9ng h\u01b0\u1edfng C\u1ea3m bi\u1ebfn<\/h3>\n<ul>\n<li>Lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1o t\u00e1c t\u1eeb <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/mounting-resonance\/\">c\u1ed9ng h\u01b0\u1edfng l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn<\/a>.<\/li>\n<li>\u0110\u1eb7t notch t\u1ea1i t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng l\u1eafp r\u00e1p, t\u1ea7n s\u1ed1 n\u00e0y thay \u0111\u1ed5i t\u00f9y theo ph\u01b0\u01a1ng ph\u00e1p l\u1eafp r\u00e1p.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o ph\u00e9p \u0111o \u0111\u1ea1i di\u1ec7n cho m\u00e1y, kh\u00f4ng ph\u1ea3i c\u1ea3m bi\u1ebfn.<\/li>\n<\/ul>\n<h3>Tr\u00e1nh C\u00e1c T\u1ea1o t\u00e1c Aliasing<\/h3>\n<ul>\n<li>L\u1ecdc m\u1ed9t t\u1ea7n s\u1ed1 cao c\u1ee5 th\u1ec3 tr\u01b0\u1edbc khi gi\u1ea3m m\u1eabu.<\/li>\n<li>Ng\u0103n ng\u1eeba <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/aliasing\/\">ch\u1ed3ng ph\u1ed5<\/a> c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n m\u1ea1nh \u0111\u00e3 bi\u1ebft.<\/li>\n<li>B\u1ed5 sung l\u1ecdc ch\u1ed1ng aliasing <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/low-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p<\/a> thay v\u00ec thay th\u1ebf n\u00f3.<\/li>\n<\/ul>\n<h2>3. C\u00e1c Xem x\u00e9t Thi\u1ebft k\u1ebf<\/h2>\n<h3>Khuy\u1ebft h\u1eb9p (Q cao)<\/h3>\n<ul>\n<li><strong>L\u1ee3i th\u1ebf:<\/strong> lo\u1ea1i b\u1ecf ch\u00ednh x\u00e1c m\u1ed9t t\u1ea7n s\u1ed1 duy nh\u1ea5t v\u1edbi t\u00e1c \u0111\u1ed9ng t\u1ed1i thi\u1ec3u l\u00ean c\u00e1c t\u1ea7n s\u1ed1 l\u00e2n c\u1eadn.<\/li>\n<li><strong>\u0110i\u1ec1u b\u1ea5t l\u1ee3i:<\/strong> t\u1ea7n s\u1ed1 m\u1ee5c ti\u00eau ph\u1ea3i \u0111\u01b0\u1ee3c bi\u1ebft ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>V\u00ed d\u1ee5:<\/strong> m\u1ed9t notch 60,0 Hz &plusmn; 0,5 Hz cho nhi\u1ec5u \u0111i\u1ec7n.<\/li>\n<\/ul>\n<h3>R\u00e3nh r\u1ed9ng (Q th\u1ea5p)<\/h3>\n<ul>\n<li><strong>L\u1ee3i th\u1ebf:<\/strong> b\u1eaft \u0111\u01b0\u1ee3c bi\u1ebfn thi\u00ean t\u1ea7n s\u1ed1, do \u0111\u00f3 tuning \u00edt nh\u1ea1y c\u1ea3m h\u01a1n.<\/li>\n<li><strong>\u0110i\u1ec1u b\u1ea5t l\u1ee3i:<\/strong> c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c t\u1ea7n s\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n gi\u1eef l\u1ea1i.<\/li>\n<li><strong>V\u00ed d\u1ee5:<\/strong> m\u1ed9t notch 1&times; &plusmn; 5 Hz \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ea5t c\u00e2n b\u1eb1ng thay \u0111\u1ed5i theo <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 ch\u1ea1y<\/a> dao \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h3>S\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa chi\u1ec1u s\u00e2u v\u00e0 chi\u1ec1u r\u1ed9ng<\/h3>\n<ul>\n<li>C\u00e1c l\u1ecdc s\u00e2u h\u01a1n (l\u1edbn h\u01a1n 60 dB) th\u01b0\u1eddng y\u00eau c\u1ea7u d\u1ea3i b\u0103ng th\u00f4ng r\u1ed9ng h\u01a1n.<\/li>\n<li>C\u00e1c kh\u00eda r\u1ea5t h\u1eb9p c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 suy gi\u1ea3m s\u00e2u<\/li>\n<li>T\u1ed1i \u01b0u h\u00f3a c\u00e2n b\u1eb1ng ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n<h2>4. \u01afu \u0111i\u1ec3m v\u00e0 H\u1ea1n ch\u1ebf<\/h2>\n<h3>Thu\u1eadn l\u1ee3i<\/h3>\n<ul>\n<li>Lo\u1ea1i b\u1ecf c\u00e1c t\u1ea7n s\u1ed1 can nhi\u1ec5u \u00e1p \u0111\u1ea3o.<\/li>\n<li>Ti\u1ebft l\u1ed9 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea9n \u0111o\u00e1n b\u1ecb che gi\u1ea5u.<\/li>\n<li>C\u1ea3i thi\u1ec7n s\u1eed d\u1ee5ng d\u1ea3i \u0111\u1ed9ng kh\u1ea3 d\u1ee5ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/dynamic-range\/\">d\u1ea3i \u0111\u1ed9ng<\/a>.<\/li>\n<li>Cho ph\u00e9p nh\u00e2n vi\u00ean ph\u00e2n t\u00edch t\u1eadp trung v\u00e0o nh\u1eefng t\u00edn hi\u1ec7u y\u1ebfu nh\u01b0ng quan tr\u1ecdng.<\/li>\n<\/ul>\n<h3>H\u1ea1n ch\u1ebf v\u00e0 Th\u1eadn tr\u1ecdng<\/h3>\n<ul>\n<li><strong>Lo\u1ea1i b\u1ecf th\u00f4ng tin:<\/strong> n\u1ed9i dung \u0111\u01b0\u1ee3c c\u1eaft b\u1ecf s\u1ebd b\u1ecb m\u1ea5t v\u0129nh vi\u1ec5n kh\u1ecfi b\u1ea3n ghi \u0111\u00e3 l\u1ecdc.<\/li>\n<li><strong>C\u00f3 th\u1ec3 che gi\u1ea5u c\u00e1c v\u1ea5n \u0111\u1ec1:<\/strong> n\u1ebfu t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c c\u1eaft b\u1ecf c\u00f3 gi\u00e1 tr\u1ecb ch\u1ea9n \u0111o\u00e1n, l\u1ed7i s\u1ebd b\u1ecb b\u1ecf qua.<\/li>\n<li><strong>Bi\u1ebfn d\u1ea1ng pha:<\/strong> c\u00e1c b\u1ed9 l\u1ecdc notch \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> g\u1ea7n t\u1ea7n s\u1ed1 notch.<\/li>\n<li><strong>Chu\u00f4ng reo:<\/strong> c\u00e1c r\u00e3nh s\u1eafc n\u00e9t c\u00f3 th\u1ec3 t\u1ea1o ra t\u1ea1o t\u00e1c mi\u1ec1n th\u1eddi gian trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a>.<\/li>\n<li><strong>S\u1eed d\u1ee5ng c\u1ea9n th\u1eadn:<\/strong> m\u1ed9t b\u1ed9 l\u1ecdc notch n\u00ean b\u1ed5 sung, kh\u00f4ng bao gi\u1edd thay th\u1ebf, ph\u00e2n t\u00edch kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc.<\/li>\n<\/ul>\n<h2>5. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t<\/h2>\n<h3>Khi N\u00e0o S\u1eed D\u1ee5ng B\u1ed9 L\u1ecdc Kh\u00eda c\u1ea1nh<\/h3>\n<ul>\n<li>Nhi\u1ec5u \u0111i\u1ec7n \u0111\u00e3 bi\u1ebft \u0111ang che khu\u1ea5t ph\u00e9p \u0111o.<\/li>\n<li>M\u1ed9t th\u00e0nh ph\u1ea7n chi\u1ebfm \u01b0u th\u1ebf (m\u1ea5t c\u00e2n b\u1eb1ng nghi\u00eam tr\u1ecdng) \u0111ang ng\u0103n ch\u1eb7n s\u1eed d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 d\u1ea3i \u0111\u1ed9ng.<\/li>\n<li>Ph\u00e2n t\u00edch kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc \u0111\u00e3 x\u00e1c nh\u1eadn r\u1eb1ng t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c c\u1eaft b\u1ecf kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ea9n \u0111o\u00e1n.<\/li>\n<li>B\u1ea1n mu\u1ed1n ti\u1ebft l\u1ed9 m\u1ed9t t\u00edn hi\u1ec7u y\u1ebfu \u0111\u1ec3 ki\u1ec3m tra chi ti\u1ebft.<\/li>\n<\/ul>\n<h3>Khi Kh\u00f4ng S\u1eed D\u1ee5ng<\/h3>\n<ul>\n<li>C\u00e1c ph\u00e9p \u0111o s\u00e0ng l\u1ecdc th\u01b0\u1eddng xuy\u00ean \u2014 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/diagnosis\/\">ch\u1ea9n \u0111o\u00e1n<\/a>.<\/li>\n<li>Khi t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c c\u1eaft b\u1ecf c\u00f3 gi\u00e1 tr\u1ecb ch\u1ea9n \u0111o\u00e1n.<\/li>\n<li>Tr\u01b0\u1edbc khi b\u1ea1n hi\u1ec3u r\u00f5 ph\u1ed5 kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc \u0111\u1ea7y \u0111\u1ee7.<\/li>\n<li>Nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u1ec3 kh\u1eafc ph\u1ee5c ngu\u1ed3n nhi\u1ec5u th\u1ef1c t\u1ebf.<\/li>\n<\/ul>\n<h3>T\u00e0i li\u1ec7u<\/h3>\n<ul>\n<li>Lu\u00f4n ghi l\u1ea1i khi s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc kh\u00eda c\u1ea1nh.<\/li>\n<li>Ghi l\u1ea1i t\u1ea7n s\u1ed1 notch v\u00e0 d\u1ea3i t\u1ea7n s\u1ed1.<\/li>\n<li>Gi\u1eef d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc \u0111\u1ec3 tham chi\u1ebfu.<\/li>\n<li>Ghi ch\u00fa l\u00fd do l\u1ecdc notch trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/diagnostic-report\/\">b\u00e1o c\u00e1o ch\u1ea9n \u0111o\u00e1n<\/a>.<\/li>\n<\/ul>\n<h2>6. Tri\u1ec3n khai<\/h2>\n<h3>B\u1ed9 l\u1ecdc kh\u00eda ph\u1ea7n c\u1ee9ng<\/h3>\n<ul>\n<li>T\u1ea7n s\u1ed1 c\u1ed1 \u0111\u1ecbnh, th\u01b0\u1eddng l\u00e0 50 ho\u1eb7c 60 Hz.<\/li>\n<li>B\u1eadt v\u00e0o v\u00e0 t\u1eaft ra khi c\u1ea7n thi\u1ebft.<\/li>\n<li>M\u1ed9t m\u1ea1ch t\u01b0\u01a1ng t\u1ef1 b\u00ean trong d\u1ee5ng c\u1ee5.<\/li>\n<li>Ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian th\u1ef1c.<\/li>\n<\/ul>\n<h3>B\u1ed9 l\u1ecdc kh\u00eda ph\u1ea7n m\u1ec1m<\/h3>\n<ul>\n<li>\u00c1p d\u1ee5ng cho d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1ed1 h\u00f3a sau khi thu th\u1eadp.<\/li>\n<li>T\u1ea7n s\u1ed1 trung t\u00e2m v\u00e0 d\u1ea3i t\u1ea7n s\u1ed1 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/li>\n<li>C\u00f3 th\u1ec3 th\u1eed v\u00e0 so s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 notch kh\u00e1c nhau.<\/li>\n<li>Kh\u00f4ng ph\u00e1 h\u1ee7y \u2014 d\u1eef li\u1ec7u g\u1ed1c \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n.<\/li>\n<\/ul>\n<h2>7. B\u1ed9 l\u1ecdc Notch trong Th\u1ef1c t\u1ebf Hi\u1ec7n tr\u01b0\u1eddng<\/h2>\n<p>Trong c\u00f4ng vi\u1ec7c hi\u1ec7n tr\u01b0\u1eddng h\u00e0ng ng\u00e0y, b\u1ed9 l\u1ecdc notch ch\u1ee9ng t\u1ecf gi\u00e1 tr\u1ecb khi m\u1ed9t t\u1ea7n s\u1ed1 duy nh\u1ea5t che ph\u1ee7 m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n th\u1ea5y. M\u1ed9t tr\u01b0\u1eddng h\u1ee3p ph\u1ed5 bi\u1ebfn l\u00e0 rotor c\u00f3 \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng l\u1edbn: m\u1ed9t m\u00e1y ph\u00e2n t\u00edch di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> \u0111o th\u00e0nh ph\u1ea7n 1&times; <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase-angle\/\">bi\u00ean \u0111\u1ed9 v\u00e0 pha<\/a> tr\u1ef1c ti\u1ebfp cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/balancing\/\">c\u00e2n b\u1eb1ng<\/a>, v\u00e0 khi th\u00e0nh ph\u1ea7n 1&times; \u0111\u00f3 chi\u1ebfm \u01b0u th\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa, ph\u1ed5 s\u1ebd m\u1edf r\u1ed9ng \u0111\u1ec3 c\u00e1c ch\u1eef k\u00fd \u1ed5 tr\u1ee5c v\u00e0 b\u00e1nh r\u0103ng nh\u1ecf h\u01a1n tr\u1edf n\u00ean d\u1ec5 \u0111\u1ecdc m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5t k\u1ef3 notch n\u00e0o c\u1ea3. \u0110i\u1ec1u \u0111\u00f3 minh h\u1ecda nguy\u00ean t\u1eafc v\u00e0ng \u2014 b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3, h\u00e3y kh\u1eafc ph\u1ee5c ngu\u1ed3n g\u1ed1c thay v\u00ec che ph\u1ee7 tri\u1ec7u ch\u1ee9ng. B\u1ed9 l\u1ecdc notch v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p khi t\u1ea7n s\u1ed1 g\u00e2y s\u1ef1 c\u1ed1 th\u1ef1c s\u1ef1 l\u00e0 b\u00ean ngo\u00e0i, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec5u 50\/60 Hz tr\u00ean c\u00e1p, v\u00e0 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn kh\u00f4ng mang \u00fd ngh\u0129a c\u01a1 h\u1ecdc n\u00e0o.<\/p>\n<p>B\u1ed9 l\u1ecdc notch l\u00e0 c\u00e1c c\u00f4ng c\u1ee5 x\u1eed l\u00fd t\u00edn hi\u1ec7u chuy\u00ean bi\u1ec7t c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf ch\u1ecdn l\u1ecdc c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 h\u1eb9p kh\u1ecfi t\u00edn hi\u1ec7u rung \u0111\u1ed9ng. Ch\u00fang m\u1ea1nh m\u1ebd trong vi\u1ec7c lo\u1ea1i b\u1ecf nhi\u1ec5u v\u00e0 ti\u1ebft l\u1ed9 c\u00e1c th\u00e0nh ph\u1ea7n b\u1ecb che ph\u1ee7, nh\u01b0ng ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng v\u00e0 v\u1edbi s\u1ef1 nh\u1eadn bi\u1ebft \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 nh\u1eefng g\u00ec \u0111ang b\u1ecb lo\u1ea1i b\u1ecf \u2014 lu\u00f4n x\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c t\u1ea7n s\u1ed1 b\u1ecb l\u1ecdc notch kh\u00f4ng ch\u1ee9a n\u1ed9i dung ch\u1ea9n \u0111o\u00e1n quan tr\u1ecdng n\u00e0o.<\/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 v\u1ec1 b\u1ed9 l\u1ecdc notch (b\u1ed9 l\u1ecdc ch\u1eb7n d\u1ea3i t\u1ea7n), c\u00f4ng c\u1ee5 x\u1eed l\u00fd t\u00edn hi\u1ec7u lo\u1ea1i b\u1ecf c\u00e1c d\u1ea3i t\u1ea7n h\u1eb9p trong khi cho qua t\u1ea5t c\u1ea3 c\u00e1c d\u1ea3i t\u1ea7n kh\u00e1c, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec5u v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n chi\u1ebfm \u01b0u th\u1ebf.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-175","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/175","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\/175\/revisions"}],"predecessor-version":[{"id":101344,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/175\/revisions\/101344"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}