{"id":90,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/crest-factor\/"},"modified":"2026-05-23T22:33:23","modified_gmt":"2026-05-23T22:33:23","slug":"crest-factor","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/crest-factor\/","title":{"rendered":"H\u1ec7 s\u1ed1 \u0111\u1ec9nh trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng l\u00e0 g\u00ec?"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 H\u1ec7 s\u1ed1 \u0111\u1ec9nh trong Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/vi\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"B\u1ed9 \u0111\u1ea7y \u0111\u1ee7 m\u00e1y c\u00e2n b\u1eb1ng v\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng c\u1ea7m tay Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/vi\/wp-json\/wp\/v2\/glossary\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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\/90?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>H\u1ec7 s\u1ed1 \u0111\u1ec9nh<\/strong> l\u00e0 m\u1ed9t t\u1ef7 s\u1ed1 kh\u00f4ng c\u00f3 th\u1ee9 nguy\u00ean cung c\u1ea5p m\u1ed9t ph\u00e9p \u0111o nhanh ch\u00f3ng c\u1ee7a &#8220;t\u00ednh gai g\u00f3c&#8221; ho\u1eb7c t\u00ednh xung \u0111\u1ed9t c\u1ee7a m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> t\u00edn hi\u1ec7u. N\u00f3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch chia bi\u00ean \u0111\u1ed9 \u0111\u1ec9nh c\u1ee7a m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a> theo <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/rms\/\">RMS (C\u0103n b\u1eadc hai trung b\u00ecnh)<\/a> gi\u00e1 tr\u1ecb. Trong khi RMS \u0111\u1ecbnh l\u01b0\u1ee3ng t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c c\u00f4ng su\u1ea5t c\u1ee7a m\u1ed9t t\u00edn hi\u1ec7u, th\u1eeba s\u1ed1 \u0111\u1ec9nh c\u00f4 l\u1eadp c\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 th\u1eddi gian ng\u1eafn, bi\u00ean \u0111\u1ed9 cao s\u1ebd b\u1ecb che gi\u1ea5u trong trung b\u00ecnh n\u0103ng l\u01b0\u1ee3ng \u0111\u00f3 &mdash; \u0111i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ch\u1ec9 b\u00e1o c\u1ea3nh b\u00e1o s\u1edbm nh\u1ea5t c\u00f3 s\u1eb5n trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-monitoring\/\">gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng<\/a>.<\/p>\n<blockquote><p>\n    <strong>H\u1ec7 s\u1ed1 \u0111\u1ec9nh = Bi\u00ean \u0111\u1ed9 \u0111\u1ec9nh \/ Gi\u00e1 tr\u1ecb RMS<\/strong>\n<\/p><\/blockquote>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: Crest Factor l\u00e0 g\u00ec?<\/h2>\n<p>Gi\u00e1 tr\u1ecb l\u00e0 t\u1ef7 s\u1ed1 c\u1ee7a hai \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111o t\u1eeb c\u00f9ng m\u1ed9t d\u1ea1ng s\u00f3ng th\u1eddi gian: <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/peak-amplitude\/\">bi\u00ean \u0111\u1ed9 \u0111\u1ec9nh<\/a> &mdash; \u0111\u1ed9 l\u1ec7ch t\u1ee9c th\u1eddi l\u1edbn nh\u1ea5t trong b\u1ea3n ghi &mdash; chia cho m\u1ee9c RMS, \u0111\u1ea1i di\u1ec7n cho n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u d\u1ee5ng c\u1ee7a t\u00edn hi\u1ec7u. V\u00ec c\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb trong c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb (v\u00ed d\u1ee5 g c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/acceleration\/\">gia t\u1ed1c<\/a>), c\u00e1c \u0111\u01a1n v\u1ecb s\u1ebd b\u1ecb h\u1ee7y v\u00e0 th\u1eeba s\u1ed1 \u0111\u1ec9nh l\u00e0 m\u1ed9t s\u1ed1 thu\u1ea7n t\u00fay. M\u1ed9t th\u1eeba s\u1ed1 \u0111\u1ec9nh l\u1edbn h\u01a1n c\u00f3 ngh\u0129a l\u00e0 d\u1ea1ng s\u00f3ng b\u1ecb chi ph\u1ed1i b\u1edfi c\u00e1c \u0111\u1ec9nh s\u1eafc n\u00e9t, c\u00f4 l\u1eadp, n\u1ed5i b\u1eadt t\u1ed1t tr\u00ean m\u1ee9c n\u0103ng l\u01b0\u1ee3ng chung; m\u1ed9t d\u1ea1ng nh\u1ecf h\u01a1n c\u00f3 ngh\u0129a l\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n \u0111\u1ec1u h\u01a1n trong su\u1ed1t t\u00edn hi\u1ec7u.<\/p>\n<h2>2. T\u1ea1i sao Crest Factor l\u1ea1i quan tr\u1ecdng?<\/h2>\n<p>C\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a th\u1eeba s\u1ed1 \u0111\u1ec9nh l\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i trong <strong>\u1ed5 tr\u1ee5c l\u0103n<\/strong>. M\u1ed9t v\u00f2ng bi l\u00e0nh m\u1ea1nh t\u1ea1o ra m\u1ed9t t\u00edn hi\u1ec7u m\u1ecbn, li\u00ean t\u1ee5c r\u1ea5t g\u1ea7n v\u1edbi m\u1ed9t s\u00f3ng sin thu\u1ea7n t\u00fay &mdash; v\u00e0 m\u1ed9t s\u00f3ng sin thu\u1ea7n t\u00fay c\u00f3 th\u1eeba s\u1ed1 \u0111\u1ec9nh l\u00e0 <strong>1.414<\/strong> (c\u0103n b\u1eadc hai c\u1ee7a 2). \u0110\u00f3 l\u00e0 m\u1ee9c c\u01a1 s\u1edf s\u1ea1ch l\u00e0 \u0111i\u1ec1u khi\u1ebfn c\u00e1c sai l\u1ec7ch kh\u1ecfi n\u00f3 tr\u1edf n\u00ean r\u1ea5t c\u00f3 th\u00f4ng tin.<\/p>\n<p>Khi c\u00e1c khi\u1ebfm khuy\u1ebft vi m\u00f4 nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spalling\/\">tr\u00f3c r\u1ed7<\/a> ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/pitting\/\">v\u1ebft n\u1ee9t<\/a> h\u00ecnh th\u00e0nh tr\u00ean c\u00e1c \u0111\u01b0\u1eddng ray v\u00f2ng bi ho\u1eb7c c\u00e1c ph\u1ea7n t\u1eed l\u0103n, m\u1ed7i l\u1ea7n m\u1ed9t ph\u1ea7n t\u1eed l\u0103n \u0111i qua m\u1ed9t khi\u1ebfm khuy\u1ebft s\u1ebd t\u1ea1o ra m\u1ed9t xung t\u00e1c \u0111\u1ed9ng nh\u1ecf, s\u1eafc n\u00e9t trong d\u1ea1ng s\u00f3ng th\u1eddi gian. Nh\u1eefng xung n\u00e0y c\u00f3 bi\u00ean \u0111\u1ed9 \u0111\u1ec9nh cao nh\u01b0ng mang r\u1ea5t \u00edt n\u0103ng l\u01b0\u1ee3ng, v\u00ec v\u1eady l\u00fac \u0111\u1ea7u ch\u00fang h\u1ea7u nh\u01b0 kh\u00f4ng di chuy\u1ec3n gi\u00e1 tr\u1ecb RMS chung &mdash; nh\u01b0ng ch\u00fang \u0111\u1ea9y th\u1eeba s\u1ed1 \u0111\u1ec9nh l\u00ean m\u1ea1nh m\u1ebd. S\u1ef1 t\u01b0\u01a1ng ph\u1ea3n gi\u1eefa hai ph\u00e9p \u0111o ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u mang l\u1ea1i c\u1ea3nh b\u00e1o s\u1edbm:<\/p>\n<ul>\n<li>A <strong>th\u1eeba s\u1ed1 \u0111\u1ec9nh th\u1ea5p v\u00e0 \u1ed5n \u0111\u1ecbnh<\/strong> (th\u01b0\u1eddng d\u01b0\u1edbi kho\u1ea3ng 3) cho th\u1ea5y m\u00e1y \u0111ang trong t\u00ecnh tr\u1ea1ng t\u1ed1t.<\/li>\n<li>A <strong>h\u1ec7 s\u1ed1 \u0111\u1ec9nh t\u0103ng<\/strong> th\u01b0\u1eddng l\u00e0 d\u1ea5u hi\u1ec7u r\u1ea5t s\u1edbm cho th\u1ea5y v\u00f2ng bi b\u1eaft \u0111\u1ea7u h\u1ecfng \u2014 th\u01b0\u1eddng l\u00e0 tr\u01b0\u1edbc khi l\u1ed7i xu\u1ea5t hi\u1ec7n trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> ph\u1ed5 t\u1ea7n ho\u1eb7c c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c b\u1eb1ng tai.<\/li>\n<\/ul>\n<p>\u0110\u1ed9 nh\u1ea1y s\u1edbm n\u00e0y l\u00e0 l\u00fd do crest factor n\u1eb1m c\u00f9ng v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 nh\u1ea1y c\u1ea3m v\u1edbi t\u00e1c \u0111\u1ed9ng li\u00ean quan kh\u00e1c nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/kurtosis\/\">\u0111\u1ed9 nh\u1ecdn<\/a> trong m\u1ed9t s\u01a1 \u0111\u1ed3 gi\u00e1m s\u00e1t v\u00f2ng bi t\u1ed1t.<\/p>\n<h2>3. V\u00f2ng \u0111\u1eddi c\u1ee7a s\u1ef1 c\u1ed1 v\u00f2ng bi v\u00e0 Crest Factor<\/h2>\n<p>Crest factor tu\u00e2n theo m\u1ed9t m\u00f4 h\u00ecnh ri\u00eang bi\u1ec7t v\u00e0 h\u01a1i ph\u1ea3n tr\u1ef1c gi\u00e1c, gi\u1eefa th\u1eddi gian ph\u00e1t tri\u1ec3n c\u1ee7a s\u1ef1 c\u1ed1 v\u00f2ng bi:<\/p>\n<ol>\n<li><strong>Giai \u0110o\u1ea1n 1 \u2014 l\u1ed7i s\u1edbm:<\/strong> c\u00e1c t\u00e1c \u0111\u1ed9ng vi m\u00f4 \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n. Crest factor t\u0103ng \u0111\u00e1ng k\u1ec3 trong khi gi\u00e1 tr\u1ecb RMS v\u1eabn th\u1ea5p. \u0110\u00e2y l\u00e0 th\u1eddi \u0111i\u1ec3m l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 l\u00ean k\u1ebf ho\u1ea1ch s\u1eeda ch\u1eefa.<\/li>\n<li><strong>Giai \u0110o\u1ea1n 2 \u2014 l\u1ed7i ph\u00e1t tri\u1ec3n:<\/strong> khi h\u01b0 h\u1ecfng tr\u1edf n\u00ean tr\u1ea7m tr\u1ecdng h\u01a1n, c\u00e1c t\u00e1c \u0111\u1ed9ng tr\u1edf n\u00ean t\u1ea7n su\u1ea5t h\u01a1n v\u00e0 m\u1ea1nh h\u01a1n. Gi\u00e1 tr\u1ecb RMS b\u00e2y gi\u1edd b\u1eaft \u0111\u1ea7u t\u0103ng khi n\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng t\u0103ng, trong khi crest factor c\u00f3 th\u1ec3 b\u1eb1ng ph\u1eb3ng ho\u1eb7c th\u1eadm ch\u00ed gi\u1ea3m nh\u1eb9, b\u1edfi v\u00ec d\u1ea1ng s\u00f3ng \u0111ang tr\u1edf n\u00ean \u00edt &#8220;nh\u1ecdn&#8221; h\u01a1n v\u00e0 \u1ed3n \u00e0o r\u1ed9ng r\u00e3i h\u01a1n.<\/li>\n<li><strong>Giai \u0110o\u1ea1n 3 \u2014 h\u01b0 h\u1ecfng giai \u0111o\u1ea1n cu\u1ed1i:<\/strong> h\u01b0 h\u1ecfng l\u00e0 r\u1ed9ng l\u1edbn. T\u00edn hi\u1ec7u h\u1ed7n lo\u1ea1n v\u00e0 bi\u00ean \u0111\u1ed9 cao, gi\u00e1 tr\u1ecb RMS r\u1ea5t cao, v\u00e0 crest factor gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u2014 th\u01b0\u1eddng quay tr\u1edf l\u1ea1i ph\u1ea1m vi &#8220;t\u1ed1t&#8221; \u2014 b\u1edfi v\u00ec d\u1ea1ng s\u00f3ng kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb c\u00e1c xung ri\u00eang bi\u1ec7t m\u00e0 t\u1eeb rung \u0111\u1ed9ng ng\u1eabu nhi\u00ean li\u00ean t\u1ee5c, n\u0103ng l\u01b0\u1ee3ng cao.<\/li>\n<\/ol>\n<p>\u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t quy t\u1eafc gi\u1ea3i th\u00edch quan tr\u1ecdng: <strong>crest factor th\u1ea5p kh\u00f4ng ph\u1ea3i, b\u1ea3n th\u00e2n n\u00f3, l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u1ed9t m\u00e1y kh\u1ecfe m\u1ea1nh<\/strong>. N\u1ebfu gi\u00e1 tr\u1ecb RMS cao, crest factor th\u1ea5p th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u m\u1ed9t giai \u0111o\u1ea1n h\u1ecfng r\u1ea5t ti\u00ean ti\u1ebfn. V\u00ec l\u00fd do \u0111\u00f3 crest factor ph\u1ea3i lu\u00f4n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/trending\/\">c\u00f3 xu h\u01b0\u1edbng<\/a> v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u00f9ng v\u1edbi m\u1ee9c RMS t\u1ed5ng th\u1ec3, kh\u00f4ng bao gi\u1edd c\u00f4 l\u1eadp. H\u00e0nh vi kh\u00f4ng \u0111\u01a1n \u0111i\u1ec7u trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a l\u1ed7i ch\u00ednh x\u00e1c l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed9t b\u1ee9c \u1ea3nh ch\u1ee5p t\u1ee9c th\u1eddi c\u00f3 th\u1ec3 g\u00e2y hi\u1ec3u l\u1ea7m v\u00e0 xu h\u01b0\u1edbng kh\u00f4ng th\u1ec3.<\/p>\n<h2>4. \u0110o Crest Factor T\u1ea1i Hi\u1ec7n tr\u01b0\u1eddng<\/h2>\n<p>V\u00ec crest factor c\u1ea7n c\u1ea3 \u0111\u1ec9nh th\u1ef1c v\u00e0 RMS c\u1ee7a c\u00f9ng m\u1ed9t d\u1ea1ng s\u00f3ng th\u1eddi gian, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecdc tr\u1ef1c ti\u1ebfp t\u1eeb m\u1ed9t d\u1ee5ng c\u1ee5 ghi l\u1ea1i d\u1ea1ng s\u00f3ng thay v\u00ec ch\u1ec9 m\u1ed9t ph\u1ed5 \u0111\u00e3 x\u1eed l\u00fd. M\u1ed9t b\u1ed9 ph\u00e2n t\u00edch hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> ghi l\u1ea1i d\u1ea1ng s\u00f3ng gia t\u1ed1c theo th\u1eddi gian t\u1ea1i v\u1ecf \u1ed5 \u0111\u1ee1 trong khi m\u00e1y ch\u1ea1y trong c\u00e1c \u1ed5 \u0111\u1ee1 c\u1ee7a n\u00f3, cung c\u1ea5p c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ec9nh v\u00e0 RMS t\u1eeb \u0111\u00f3 h\u1ec7 s\u1ed1 phai \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n \u2014 cho ph\u00e9p m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng t\u0103ng tr\u00ean m\u1ed9t tuy\u1ebfn \u0111\u01b0\u1eddng l\u00e2u tr\u01b0\u1edbc khi khi\u1ebfm khuy\u1ebft s\u1ebd xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t t\u00f4ng r\u00f5 r\u00e0ng trong ph\u1ed5. Theo d\u00f5i con s\u1ed1 n\u00e0y sau m\u1ed7i l\u1ea7n ki\u1ec3m tra, nh\u01b0 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/predictive-maintenance\/\">b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/a>, l\u00e0 s\u00e1ng t\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi b\u1ea5t k\u1ef3 m\u1ed9t ph\u00e9p \u0111o n\u00e0o.<\/p>\n<h2>5. H\u1ea1n ch\u1ebf<\/h2>\n<p>H\u1ec7 s\u1ed1 phai r\u1ea5t qu\u00fd b\u00e1u nh\u01b0ng c\u00f3 h\u1ea1n, v\u00e0 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c t\u00f4n tr\u1ecdng:<\/p>\n<ul>\n<li><strong>N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n.<\/strong> H\u1ec7 s\u1ed1 phai cao x\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c va ch\u1ea1m hi\u1ec7n di\u1ec7n, nh\u01b0ng kh\u00f4ng n\u00f3i g\u00ec v\u1ec1 ngu\u1ed3n ho\u1eb7c t\u1ea7n s\u1ed1 c\u1ee7a ch\u00fang. X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c khi\u1ebfm khuy\u1ebft \u0111\u00f2i h\u1ecfi ph\u00e2n t\u00edch th\u00eam \u2014 h\u1eefu \u00edch nh\u1ea5t l\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-analysis\/\">ph\u00e2n t\u00edch \u0111\u01b0\u1eddng bao<\/a>, gi\u1ea3i \u0111i\u1ec1u ch\u1ebf c\u00e1c va ch\u1ea1m t\u1ea7n s\u1ed1 cao \u0111\u1ec3 ti\u1ebft l\u1ed9 c\u1ee5 th\u1ec3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 khi\u1ebfm khuy\u1ebft \u1ed5 tr\u1ee5c<\/a> v\u00e0 do \u0111\u00f3 ph\u1ea7n t\u1eed n\u00e0o b\u1ecb h\u01b0 h\u1ecfng.<\/li>\n<li><strong>N\u00f3 nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n m\u1ed9t l\u1ea7n.<\/strong> M\u1ed9t c\u00fa s\u1ed1c kh\u00f4ng l\u1eb7p l\u1ea1i duy nh\u1ea5t \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t chi\u1ebfc xe n\u00e2ng h\u00e0ng \u0111\u1ea9y v\u00e0o \u0111\u1ebf m\u00e1y \u2014 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9t ng\u1ed9t h\u1ec7 s\u1ed1 phai v\u00e0 k\u00edch ho\u1ea1t m\u1ed9t c\u1ea3nh b\u00e1o gi\u1ea3 n\u1ebfu ph\u00e9p \u0111o kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u00ednh h\u1ee3p l\u00fd.<\/li>\n<li><strong>N\u00f3 m\u1ea5t hi\u1ec7u l\u1ef1c khi l\u1ed7i ti\u1ebfn tri\u1ec3n<\/strong>, v\u00ec nh\u1eefng l\u00fd do v\u00f2ng \u0111\u1eddi \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 \u1edf tr\u00ean: \u0111\u1ebfn h\u1ed7n lo\u1ea1n giai \u0111o\u1ea1n cu\u1ed1i n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ecdc th\u1ea5p m\u1ed9t c\u00e1ch l\u1eeba d\u1ed1i.<\/li>\n<\/ul>\n<p>S\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch kh\u00f4n ngoan \u2014 theo d\u00f5i theo th\u1eddi gian, ki\u1ec3m tra ch\u00e9o v\u1edbi RMS, v\u00e0 theo d\u00f5i b\u1eb1ng ph\u00e2n t\u00edch bao l\u00ec khi n\u00f3 t\u0103ng \u2014 h\u1ec7 s\u1ed1 phai v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng tham s\u1ed1 c\u1ea3nh b\u00e1o s\u1edbm hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u1ec1 chi ph\u00ed trong b\u1ea5t k\u1ef3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-monitoring\/\">gi\u00e1m s\u00e1t rung \u0111\u1ed9ng<\/a> ch\u01b0\u01a1ng tr\u00ecnh.<\/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 H\u1ec7 s\u1ed1 \u0111\u1ec9nh, m\u1ed9t s\u1ed1 li\u1ec7u quan tr\u1ecdng trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u1ed9t ng\u1ed9t, m\u1ea1nh nh\u01b0 va ch\u1ea1m \u1ed5 tr\u1ee5c, b\u1eb1ng c\u00e1ch so s\u00e1nh bi\u00ean \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i v\u1edbi gi\u00e1 tr\u1ecb RMS c\u1ee7a t\u00edn hi\u1ec7u.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-90","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/90","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\/90\/revisions"}],"predecessor-version":[{"id":101278,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/90\/revisions\/101278"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=90"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=90"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=90"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}