{"id":244,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/sound-pressure-level\/"},"modified":"2026-05-23T22:31:25","modified_gmt":"2026-05-23T22:31:25","slug":"sound-pressure-level","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/sound-pressure-level\/","title":{"rendered":"Co je hladina akustick\u00e9ho tlaku? M\u011b\u0159en\u00ed hluku"},"content":{"rendered":"<h1>Pochopen\u00ed hladiny akustick\u00e9ho tlaku<\/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\/cs\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\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=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\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=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan 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=\"Magnetick\u00e1 z\u00e1kladna.\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\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=\"Reflexn\u00ed p\u00e1ska\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/244?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=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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>Hladina akustick\u00e9ho tlaku<\/strong> (SPL) je logaritmick\u00e1 m\u00edra akustick\u00e9ho tlaku vzhledem k referen\u010dn\u00ed hodnot\u011b, vyj\u00e1d\u0159en\u00e1 v decibelech (dB). U stroj\u016f vyjad\u0159uje intenzitu hluku - hlasitost vyza\u0159ovanou strojem - m\u011b\u0159enou mikrofonem nebo zvukom\u011brem ve stanoven\u00e9 vzd\u00e1lenosti. SPL \u00fazce souvis\u00ed s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a>, proto\u017ee vibruj\u00edc\u00ed povrchy vyza\u0159uj\u00ed zvuk, co\u017e z akustick\u00e9ho m\u011b\u0159en\u00ed \u010din\u00ed p\u0159irozen\u00fd dopln\u011bk k m\u011b\u0159en\u00ed zvuku. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration-analysis\/\">anal\u00fdza vibrac\u00ed<\/a> pro hodnocen\u00ed stavu stroje - zejm\u00e9na pro aerodynamick\u00e9 z\u00e1vady, z\u00e1vady p\u0159evod\u016f a lo\u017eisek, kter\u00e9 vytv\u00e1\u0159ej\u00ed charakteristick\u00e9 t\u00f3nov\u00e9 nebo \u0161irokop\u00e1smov\u00e9 signatury.<\/p>\n<p>A\u010dkoli je SPL p\u0159edev\u0161\u00edm ukazatelem zdrav\u00ed p\u0159i pr\u00e1ci a \u017eivotn\u00edho prost\u0159ed\u00ed - ochrana sluchu, hlukov\u00e9 p\u0159edpisy, limity v obci - m\u00e1 skute\u010dnou diagnostickou hodnotu. Zm\u011bny hluku \u010dasto p\u0159edch\u00e1zej\u00ed nebo doprov\u00e1zej\u00ed mechanickou degradaci a akustick\u00e9 spektrum m\u016f\u017ee identifikovat specifick\u00e9 z\u00e1vady prost\u0159ednictv\u00edm frekven\u010dn\u00edch vzorc\u016f, kter\u00e9 odr\u00e1\u017eej\u00ed vzorce pozorovan\u00e9 ve vibrac\u00edch. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">spektrum<\/a>.<\/p>\n<h2>1. Matematika: Pro\u010d decibely?<\/h2>\n<p>SPL je definov\u00e1na jako:<\/p>\n<blockquote><p><strong>SPL (dB) = 20 \u00d7 log\u2081\u2080(P \/ P\u2080)<\/strong>, kde P je nam\u011b\u0159en\u00fd akustick\u00fd tlak v pascalech a P\u2080 = 20 \u00b5Pa, co\u017e je referen\u010dn\u00ed tlak odpov\u00eddaj\u00edc\u00ed prahu lidsk\u00e9ho sluchu.<\/p><\/blockquote>\n<p>Logaritmus existuje z praktick\u00e9ho d\u016fvodu: ucho se vyrovn\u00e1v\u00e1 s obrovsk\u00fdm rozsahem tlak\u016f - od nejslab\u0161\u00edho sly\u0161iteln\u00e9ho zvuku a\u017e po pr\u00e1h bolesti se tlak pohybuje v rozmez\u00ed p\u0159ibli\u017en\u011b milionu. Logaritmick\u00e1 stupnice stla\u010duje tento rozsah na zvl\u00e1dnuteln\u00fdch 0-120+ dB. To tak\u00e9 vysv\u011btluje aritmetiku, kter\u00e1 p\u0159ekvapuje nov\u00e1\u010dky: proto\u017ee stupnice je logaritmick\u00e1, zdvojn\u00e1soben\u00ed zvuku <em>v\u00fdkon<\/em> p\u0159id\u00e1v\u00e1 pouze 3 dB a dva stejn\u011b hlasit\u00e9 stroje dohromady jsou o 3 dB hlasit\u011bj\u0161\u00ed ne\u017e jeden - ne dvakr\u00e1t hlasit\u011bj\u0161\u00ed. Kombinace zdroj\u016f je tedy logaritmick\u00fd sou\u010det, kter\u00fd snadno zvl\u00e1dneme pomoc\u00ed na\u0161eho syst\u00e9mu. <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/noise-level-addition\/\">Kalkula\u010dka s\u010d\u00edt\u00e1n\u00ed hladin hluku<\/a> nebo p\u0159ev\u00e9st mezi tlakem a decibely pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/sound-level-converter\/\">P\u0159evodn\u00edk hladiny zvuku<\/a>.<\/p>\n<p>Jako p\u0159ibli\u017en\u00fd pr\u016fvodce m\u011b\u0159\u00edtkem: 0 dB je pr\u00e1h sly\u0161en\u00ed; 30-40 dB tich\u00e1 m\u00edstnost; 60-70 dB b\u011b\u017en\u00fd hovor; 80-90 dB hlu\u010dn\u00e9 stroje, kde se doporu\u010duje ochrana sluchu; 100-110 dB velmi hlasit\u00e9 stroje, kde je vy\u017eadov\u00e1na; a 120 dB a v\u00edce pr\u00e1h bolesti s rizikem okam\u017eit\u00e9ho po\u0161kozen\u00ed sluchu.<\/p>\n<h2>2. Jak se m\u011b\u0159\u00ed SPL<\/h2>\n<h3>M\u011b\u0159i\u010de hladiny zvuku<\/h3>\n<ul>\n<li>P\u0159esn\u00fd mikrofon nap\u00e1jej\u00edc\u00ed m\u011b\u0159i\u010d, kter\u00fd pou\u017e\u00edv\u00e1 frekven\u010dn\u00ed a \u010dasov\u00e9 v\u00e1\u017een\u00ed a zobrazuje v\u00fdsledek v dB SPL.<\/li>\n<li>P\u0159\u00edstroje jsou za\u0159azeny do t\u0159\u00eddy 1 (p\u0159esn\u00e9) nebo t\u0159\u00eddy 2 (univerz\u00e1ln\u00ed) podle normy <strong>IEC 61672<\/strong>.<\/li>\n<\/ul>\n<h3>Vzd\u00e1lenost m\u011b\u0159en\u00ed<\/h3>\n<ul>\n<li><strong>Bl\u00edzk\u00e9 pole:<\/strong> pod 1 m od zdroje, co\u017e je u\u017eite\u010dn\u00e9 pro p\u0159esn\u00e9 ur\u010den\u00ed hlu\u010dn\u00e9 slo\u017eky.<\/li>\n<li><strong>Vzd\u00e1len\u00e9 pole:<\/strong> za hranic\u00ed 1 m, kde plat\u00ed podm\u00ednky voln\u00e9ho pole; 1 m je b\u011b\u017en\u00fdm standardem pro strojn\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<li>Ve voln\u00e9m poli SPL kles\u00e1 p\u0159ibli\u017en\u011b o <strong>6 dB na ka\u017ed\u00e9 zdvojn\u00e1soben\u00ed vzd\u00e1lenosti<\/strong> - z\u00e1kladem <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/noise-distance-attenuation\/\">Kalkula\u010dka \u00fatlumu hluku v z\u00e1vislosti na vzd\u00e1lenosti<\/a>.<\/li>\n<\/ul>\n<h3>V\u00e1\u017een\u00ed frekvence<\/h3>\n<ul>\n<li><strong>V\u00e1\u017een\u00ed A (dBA):<\/strong> tvaruje odezvu tak, aby napodobovala citlivost ucha&#8217;s; zdaleka nej\u010dast\u011bj\u0161\u00ed pro hodnocen\u00ed hluku.<\/li>\n<li><strong>V\u00e1\u017een\u00ed C (dBC):<\/strong> relativn\u011b ploch\u00fd, zachov\u00e1v\u00e1 n\u00edzkofrekven\u010dn\u00ed obsah pro \u0161pi\u010dkov\u00fd a impulsn\u00ed \u0161um.<\/li>\n<li><strong>Z \/ line\u00e1rn\u00ed (dBZ):<\/strong> bez v\u00e1\u017een\u00ed; ka\u017ed\u00e1 frekvence se po\u010d\u00edt\u00e1 stejn\u011b, co\u017e je v\u00fdhodn\u00e9 pro in\u017een\u00fdrskou anal\u00fdzu.<\/li>\n<\/ul>\n<h2>3. Vztah k vibrac\u00edm<\/h2>\n<h3>Zvukov\u00e9 vyza\u0159ov\u00e1n\u00ed z vibruj\u00edc\u00edho povrchu<\/h3>\n<ul>\n<li>Vibruj\u00edc\u00ed povrch tla\u010d\u00ed na okoln\u00ed vzduch a vyza\u0159uje zvukov\u00e9 vlny.<\/li>\n<li>Vyza\u0159ovan\u00fd akustick\u00fd v\u00fdkon stoup\u00e1 zhruba s <strong>rychlost\u00b2 \u00d7 plocha<\/strong>, tak\u017ee vy\u0161\u0161\u00ed povrch <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/velocity\/\">rychlost<\/a> obecn\u011b znamen\u00e1 vy\u0161\u0161\u00ed SPL.<\/li>\n<li>Tato souvislost v\u0161ak nen\u00ed p\u0159esn\u00e1 - \u00fa\u010dinnost vyza\u0159ov\u00e1n\u00ed se v\u00fdrazn\u011b li\u0161\u00ed v z\u00e1vislosti na frekvenci a geometrii panelu, tak\u017ee dva stejn\u011b vibruj\u00edc\u00ed povrchy mohou vyza\u0159ovat velmi rozd\u00edln\u011b.<\/li>\n<\/ul>\n<h3>Diagnostick\u00e1 korelace<\/h3>\n<ul>\n<li><strong>Probl\u00e9my s lo\u017eisky:<\/strong> vysokofrekven\u010dn\u00ed sy\u010den\u00ed nebo sk\u0159\u00edp\u00e1n\u00ed.<\/li>\n<li><strong>Probl\u00e9my s p\u0159evodovkou:<\/strong> charakteristick\u00e9 kv\u00edlen\u00ed p\u0159i frekvenci z\u00e1b\u011bru.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">Nevyv\u00e1\u017eenost<\/a>:<\/strong> n\u00edzkofrekven\u010dn\u00ed dun\u011bn\u00ed p\u0159i 1\u00d7. <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/running-speed\/\">provozn\u00ed ot\u00e1\u010dky<\/a>.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/cavitation\/\">Kavitace<\/a>:<\/strong> n\u00e1hodn\u00e9 prask\u00e1n\u00ed nebo lupnut\u00ed p\u0159i rozpadu bublinek p\u00e1ry.<\/li>\n<\/ul>\n<h2>4. Anal\u00fdza akustick\u00e9ho spektra<\/h2>\n<p>Stejn\u011b jako v p\u0159\u00edpad\u011b vibrac\u00ed se p\u0159i transformaci zvukov\u00e9ho sign\u00e1lu na frekven\u010dn\u00ed spektrum rozd\u011bl\u00ed slo\u017eit\u00fd hluk na diagnostikovateln\u00e9 \u010d\u00e1sti.<\/p>\n<h3>T\u00f3nov\u00e9 slo\u017eky<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/gear-mesh-frequency\/\">Ozuben\u00fd z\u00e1b\u011br<\/a>:<\/strong> \u010dist\u00fd t\u00f3n na frekvenci zapojen\u00ed zubu, \u010dasto s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sidebands\/\">postrann\u00ed p\u00e1sma<\/a>.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">Pr\u016fchod lopatek<\/a>:<\/strong> t\u00f3n na frekvenci pr\u016fchodu lopatek ventil\u00e1toru nebo kompresoru.<\/li>\n<li><strong>Elektrick\u00e9:<\/strong> hu\u010den\u00ed motor\u016f o frekvenci 120\/100 Hz p\u0159i dvojn\u00e1sobku s\u00ed\u0165ov\u00e9 frekvence.<\/li>\n<li><strong>T\u00f3ny lo\u017eisek:<\/strong> rodina <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bearing-fault-frequencies\/\">\u010detnost poruch lo\u017eisek<\/a> harmonick\u00e9.<\/li>\n<\/ul>\n<h3>\u0160irokop\u00e1smov\u00fd \u0161um<\/h3>\n<ul>\n<li><strong>Aerodynamick\u00fd:<\/strong> turbulence a hluk proud\u011bn\u00ed.<\/li>\n<li><strong>Kavitace:<\/strong> n\u00e1hodn\u00fd kolaps bubliny v \u0161irok\u00e9m p\u00e1smu.<\/li>\n<li><strong>Po\u0161kozen\u00ed lo\u017eisek:<\/strong> a \u0161irokop\u00e1smov\u00fd n\u00e1r\u016fst p\u0159i degradaci povrch\u016f.<\/li>\n<li><strong>T\u0159en\u00ed:<\/strong> nep\u0159etr\u017eit\u00e9 n\u00e1hodn\u00e9 emise.<\/li>\n<\/ul>\n<h2>5. Aplikace<\/h2>\n<p>M\u011b\u0159en\u00ed SPL m\u00e1 sv\u00e9 m\u00edsto ve \u010dty\u0159ech praktick\u00fdch oblastech:<\/p>\n<ul>\n<li><strong>Monitorov\u00e1n\u00ed stavu:<\/strong> dopl\u0148uj\u00ed \u00fadaje o vibrac\u00edch, \u010dasto poskytuj\u00ed prvn\u00ed n\u00e1znak z\u00e1vady lo\u017eiska - hluk se m\u016f\u017ee zv\u00fd\u0161it d\u0159\u00edve ne\u017e vibrace sk\u0159\u00edn\u011b - a sleduj\u00ed opot\u0159eben\u00ed p\u0159evodovky prost\u0159ednictv\u00edm zm\u011bn kvality hluku.<\/li>\n<li><strong>Kontrola kvality:<\/strong> p\u0159ej\u00edmac\u00ed zkou\u0161ky nov\u00fdch za\u0159\u00edzen\u00ed podle limit\u016f hluku, ov\u011b\u0159ov\u00e1n\u00ed po oprav\u011b a kontroly kvality v\u00fdrobk\u016f ve v\u00fdrob\u011b.<\/li>\n<li><strong>Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f:<\/strong> limit\u016f expozice na pracovi\u0161ti (OSHA, sm\u011brnice EU), limit\u016f hluku v komunit\u011b a specifikac\u00ed za\u0159\u00edzen\u00ed, podpo\u0159en\u00fdch n\u00e1stroji pro m\u011b\u0159en\u00ed expozi\u010dn\u00edch d\u00e1vek, jako je nap\u0159. <a href=\"https:\/\/vibromera.eu\/cs\/calculators\/noise-exposure-calculator\/\">Kalkula\u010dka expozice hluku<\/a>.<\/li>\n<li><strong>\u0158e\u0161en\u00ed probl\u00e9m\u016f:<\/strong> lokalizovat zdroje hluku, se\u0159adit zdroje, kter\u00e9 p\u0159isp\u00edvaj\u00ed k celkov\u00e9mu hluku za\u0159\u00edzen\u00ed, a ov\u011b\u0159it \u00fa\u010dinek opat\u0159en\u00ed ke sn\u00ed\u017een\u00ed hluku.<\/li>\n<\/ul>\n<p>Jako pravidlo, co o\u010dek\u00e1vat, lze uv\u00e9st, \u017ee typick\u00e9 hladiny A ve vzd\u00e1lenosti 1 m se pohybuj\u00ed kolem 70-85 dBA u elektromotor\u016f, 75-90 dBA u odst\u0159ediv\u00fdch \u010derpadel, 80-100 dBA u ventil\u00e1tor\u016f a dmychadel, 75-95 dBA u p\u0159evodovek, 85-105 dBA u kompresor\u016f a 95-110 dBA u dieselov\u00fdch motor\u016f.<\/p>\n<h2>6. Hluk jako diagnostick\u00fd indik\u00e1tor<\/h2>\n<p>P\u0159i poslechu stroje v pr\u016fb\u011bhu \u010dasu jsou d\u016fle\u017eit\u00e9 dva druhy zm\u011bn. A <strong>stoupaj\u00edc\u00ed \u00farove\u0148<\/strong> ukazuje na po\u0161kozen\u00ed lo\u017eisek (sk\u0159\u00edp\u00e1n\u00ed nebo p\u00edsk\u00e1n\u00ed), opot\u0159eben\u00ed p\u0159evodovky (zesiluj\u00edc\u00ed se kv\u00edlen\u00ed), probl\u00e9my s maz\u00e1n\u00edm (zvy\u0161uj\u00edc\u00ed se t\u0159ec\u00ed hluk) nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/looseness\/\">v\u016fle<\/a> (chrast\u011bn\u00ed). A <strong>zm\u011bna charakteru<\/strong> - objevuj\u00ed se nov\u00e9 t\u00f3ny, m\u011bn\u00ed se frekvence, objevuj\u00ed se p\u0159eru\u0161ovan\u00e9 nebo modulovan\u00e9 zvuky - to je stejn\u011b d\u016fle\u017eit\u00e9 a signalizuje to rozv\u00edjej\u00edc\u00ed se probl\u00e9m, i kdy\u017e se celkov\u00e1 hodnota dBA t\u00e9m\u011b\u0159 nezm\u011bnila.<\/p>\n<p>Akustick\u00e9 metody maj\u00ed sv\u00e9 limity: m\u011b\u0159i\u010d SPL sly\u0161\u00ed <em>v\u0161e<\/em> v okol\u00ed, tak\u017ee hlu\u010dn\u00fd sousedn\u00ed stroj, odrazy od st\u011bn a hluk v pozad\u00ed z\u00e1vodu zne\u010di\u0161\u0165uj\u00ed \u00fadaje zp\u016fsobem, kter\u00e9mu se kontaktn\u00ed sn\u00edma\u010d vyhne. Proto se technici pro potvrzen\u00ed mechanick\u00e9 z\u00e1vady a zejm\u00e9na pro jej\u00ed odstran\u011bn\u00ed obracej\u00ed na p\u0159\u00edm\u00e9 m\u011b\u0159en\u00ed vibrac\u00ed. Pokud pr\u016fzkum hluku nazna\u010duje nevyv\u00e1\u017eenost, m\u016f\u017ee b\u00fdt pou\u017eit p\u0159enosn\u00fd dvoukan\u00e1lov\u00fd analyz\u00e1tor, jako nap\u0159. <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> m\u016f\u017ee potvrdit m\u011b\u0159en\u00edm 1\u00d7 amplitudy a f\u00e1ze na lo\u017eisku a n\u00e1sledn\u011b vyv\u00e1\u017eit rotor na m\u00edst\u011b - izolovat skute\u010dn\u00fd mechanick\u00fd zdroj, kter\u00fd mikrofon mohl pouze nazna\u010dit.<\/p>\n<h2>7. Standardy m\u011b\u0159en\u00ed<\/h2>\n<ul>\n<li><strong>IEC 61672:<\/strong> specifikace pro m\u011b\u0159i\u010de hladiny zvuku.<\/li>\n<li><strong>ISO 3744:<\/strong> ur\u010dov\u00e1n\u00ed akustick\u00e9ho v\u00fdkonu z akustick\u00e9ho tlaku.<\/li>\n<li><strong>ISO 1680:<\/strong> zku\u0161ebn\u00ed p\u0159edpis pro hluk to\u010div\u00fdch elektrick\u00fdch stroj\u016f.<\/li>\n<li><strong>ANSI S12.19:<\/strong> m\u011b\u0159en\u00ed hluku stroj\u016f.<\/li>\n<\/ul>\n<p>Spolu s vibracemi dopl\u0148uje SPL kompletn\u00ed obraz o stavu stroje: mikrofon n\u011bkdy varuje jako prvn\u00ed, <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/accelerometer\/\">akcelerometr<\/a> potvrzuje a lokalizuje a spole\u010dn\u011b poskytuj\u00ed \u00fapln\u011bj\u0161\u00ed hodnocen\u00ed, ne\u017e by dok\u00e1zal ka\u017ed\u00fd z nich samostatn\u011b.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Zjist\u011bte v\u00edce o hladin\u011b akustick\u00e9ho tlaku (SPL), m\u011b\u0159en\u00ed akustick\u00e9ho hluku v decibelech, kter\u00e9 ud\u00e1v\u00e1 emise hluku stroj\u016f v korelaci s vibracemi pro komplexn\u00ed posouzen\u00ed stavu.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,113],"tags":[],"class_list":["post-244","glossary","type-glossary","status-publish","hentry","category-glossary","category-measurement"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/244\/revisions"}],"predecessor-version":[{"id":101259,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/244\/revisions\/101259"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}