{"id":20638,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/charge-amplifier\/"},"modified":"2026-07-02T19:10:33","modified_gmt":"2026-07-02T19:10:33","slug":"charge-amplifier","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/charge-amplifier\/","title":{"rendered":"Co je to zesilova\u010d n\u00e1boje? Piezoelektrick\u00e9 zpracov\u00e1n\u00ed sign\u00e1lu"},"content":{"rendered":"<h1>Z\u00e1klady fungov\u00e1n\u00ed nab\u00edjec\u00edho zesilova\u010de<\/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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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\/20638?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>A <strong>n\u00e1bojov\u00fd zesilova\u010d<\/strong> je elektronick\u00e9 za\u0159\u00edzen\u00ed pro \u00fapravu sign\u00e1lu, kter\u00e9 p\u0159ev\u00e1d\u00ed nepatrn\u00fd v\u00fdstupn\u00ed n\u00e1boj s vysokou impedanc\u00ed \u2013 m\u011b\u0159en\u00fd v pikokulombech (pC) \u2013 sn\u00edma\u010de pracuj\u00edc\u00edho v re\u017eimu n\u00e1boje <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/piezoelectric-accelerometer\/\">piezoelektrick\u00fd akcelerometr<\/a> na nap\u011bt\u00ed s n\u00edzkou impedanc\u00ed, kter\u00e9 je vhodn\u00e9 pro kabel\u00e1\u017e a pro zpracov\u00e1n\u00ed m\u011b\u0159ic\u00edm p\u0159\u00edstrojem. Jedn\u00e1 se v podstat\u011b o p\u0159esn\u00fd p\u0159evodn\u00edk n\u00e1boje na nap\u011bt\u00ed a zesilova\u010d, a pr\u00e1v\u011b tento prvek umo\u017e\u0148uje praktick\u00e9 vyu\u017eit\u00ed sn\u00edma\u010d\u016f pracuj\u00edc\u00edch v re\u017eimu n\u00e1boje. Sn\u00edma\u010de pracuj\u00edc\u00ed v re\u017eimu n\u00e1boje neobsahuj\u00ed \u017e\u00e1dnou vestav\u011bnou elektroniku, a proto odol\u00e1vaj\u00ed extr\u00e9mn\u00edm teplot\u00e1m a drsn\u00fdm podm\u00ednk\u00e1m, kde by <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/iepe-accelerometer\/\">Akcelerometr IEPE<\/a> by prost\u011b selhalo.<\/p>\n<p>N\u00e1bojov\u00e9 zesilova\u010de se v b\u011b\u017en\u00e9m pr\u016fmyslov\u00e9m monitorov\u00e1n\u00ed pou\u017e\u00edvaj\u00ed dnes mnohem m\u00e9n\u011b ne\u017e d\u0159\u00edve \u2013 t\u00e9m\u011b\u0159 v\u0161ude je nahradily samostatn\u00e9 sn\u00edma\u010de IEPE \u2013, ale z\u016fst\u00e1vaj\u00ed nepostradateln\u00e9 tam, kde elektronika sn\u00edma\u010de nevydr\u017e\u00ed: p\u0159i teplot\u00e1ch nad zhruba 175 \u00b0C, v prost\u0159ed\u00ed s jadern\u00fdm z\u00e1\u0159en\u00edm a v ur\u010dit\u00fdch jiskrov\u011b bezpe\u010dn\u00fdch za\u0159\u00edzen\u00edch. Pochopen\u00ed toho, jak n\u00e1bojov\u00fd zesilova\u010d funguje, je proto d\u016fle\u017eit\u00e9 jak pro vysokoteplotn\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vibration\/\">vibrace<\/a> monitorov\u00e1n\u00ed a pro zaji\u0161t\u011bn\u00ed provozu star\u0161\u00edch m\u011b\u0159ic\u00edch syst\u00e9m\u016f.<\/p>\n<h2>1. Princip fungov\u00e1n\u00ed<\/h2>\n<h3>P\u0159evod n\u00e1boje na nap\u011bt\u00ed<\/h3>\n<p>Piezoelektrick\u00fd krystal vytv\u00e1\u0159\u00ed elektrick\u00fd n\u00e1boj <em>Q<\/em> \u00fam\u011brn\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/acceleration\/\">zrychlen\u00ed<\/a> jakou akceleraci c\u00edt\u00ed. Tento n\u00e1boj putuje speci\u00e1ln\u00edm kabelem s n\u00edzk\u00fdm \u0161umem do zesilova\u010de, kde jej opera\u010dn\u00ed zesilova\u010d integruje na kondenz\u00e1tor zp\u011btn\u00e9 vazby. V\u00fdstupn\u00ed nap\u011bt\u00ed se pak vypo\u010d\u00edt\u00e1 jednodu\u0161e takto:<\/p>\n<blockquote><p>V = Q \/ C<sub>zp\u011btn\u00e1 vazba<\/sub><\/p><\/blockquote>\n<p>Jeliko\u017e o zes\u00edlen\u00ed rozhoduje zp\u011btnovazebn\u00ed kondenz\u00e1tor \u2013 nikoli kabel \u2013, v\u00fdsledkem je \u010dist\u00e9 nap\u011bt\u00ed s n\u00edzkou impedanc\u00ed, obvykle a\u017e \u00b110 V p\u0159i pln\u00e9m rozsahu, kter\u00e9 dok\u00e1\u017ee nap\u00e1jet dlouh\u00e9 kabelov\u00e9 trasy bez ztr\u00e1ty v\u011brnosti sign\u00e1lu.<\/p>\n<h3>Hlavn\u00ed vlastnosti obvodu<\/h3>\n<ul>\n<li><strong>Velmi vysok\u00e1 vstupn\u00ed impedance<\/strong> (v\u00edce ne\u017e 10<sup>12<\/sup> \u03a9), aby nedo\u0161lo k \u00faniku cenn\u00e9ho n\u00e1boje je\u0161t\u011b p\u0159ed jeho zm\u011b\u0159en\u00edm.<\/li>\n<li><strong>Zp\u011btnovazebn\u00ed kondenz\u00e1tor<\/strong> ur\u010duje zes\u00edlen\u00ed, a t\u00edm i syst\u00e9m <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/sensitivity\/\">citlivost<\/a>.<\/li>\n<li><strong>Zp\u011btnovazebn\u00ed rezistor<\/strong> nastavuje \u00fatlum n\u00edzk\u00fdch frekvenc\u00ed (mezn\u00ed frekvenci horn\u00ed propusti).<\/li>\n<li><strong>N\u00edzko\u0161umov\u00e1 konstrukce<\/strong>, co\u017e je z\u00e1sadn\u00ed, proto\u017ee vstupn\u00ed sign\u00e1l je velmi slab\u00fd.<\/li>\n<li><strong>R\u016fzn\u00e1 nastaven\u00ed zes\u00edlen\u00ed<\/strong> tak\u017ee jeden zesilova\u010d m\u016f\u017ee obsluhovat sn\u00edma\u010de s r\u016fznou citlivost\u00ed.<\/li>\n<\/ul>\n<h2>2. Pro\u010d zvolit n\u00e1bojov\u00fd re\u017eim<\/h2>\n<p>Jedin\u00fdm d\u016fvodem, pro\u010d se vyplat\u00ed pou\u017e\u00edt p\u0159\u00eddavn\u00fd hardwarov\u00fd obvod v podob\u011b nab\u00edjec\u00edho zesilova\u010de, jsou schopnosti sn\u00edma\u010de, kter\u00fd nap\u00e1j\u00ed:<\/p>\n<ul>\n<li><strong>Extr\u00e9mn\u00ed teplota:<\/strong> Sn\u00edma\u010de s n\u00e1bojov\u00fdm re\u017eimem funguj\u00ed a\u017e do teploty 650 \u00b0C, n\u011bkter\u00e9 dokonce a\u017e do 1000 \u00b0C, proto\u017ee neobsahuj\u00ed \u017e\u00e1dn\u00e9 polovodi\u010de, kter\u00e9 by se mohly p\u0159eh\u0159\u00e1t. To je nezbytn\u00e9 pro v\u00fdfukov\u00e9 syst\u00e9my, pece, vypalovac\u00ed pece a p\u0159i testov\u00e1n\u00ed motor\u016f \u2013 sn\u00edma\u010d typu IEPE m\u00e1 maxim\u00e1ln\u00ed teplotu p\u0159ibli\u017en\u011b 175 \u00b0C.<\/li>\n<li><strong>Odolnost proti z\u00e1\u0159en\u00ed:<\/strong> Jeliko\u017e v hlavici sn\u00edma\u010de nen\u00ed \u017e\u00e1dn\u00e1 aktivn\u00ed elektronika, jsou za\u0159\u00edzen\u00ed pracuj\u00edc\u00ed v re\u017eimu n\u00e1boje vhodn\u00e1 pro jadern\u00e1 prost\u0159ed\u00ed, kde by elektronika typu IEPE byla zni\u010dena.<\/li>\n<li><strong>Z\u00e1m\u011bnitelnost kabel\u016f:<\/strong> Jeliko\u017e zisk z\u00e1vis\u00ed sp\u00ed\u0161e na kondenz\u00e1toru zp\u011btn\u00e9 vazby ne\u017e na kabelu, lze d\u00e9lku kabelu v ur\u010dit\u00fdch mez\u00edch m\u011bnit bez nutnosti nov\u00e9 kalibrace \u2013 co\u017e p\u0159edstavuje u\u017eite\u010dnou flexibilitu p\u0159i instalaci.<\/li>\n<\/ul>\n<h2>3. Nev\u00fdhody a praktick\u00e9 probl\u00e9my<\/h2>\n<p>Tyto v\u00fdhody maj\u00ed svou cenu, a proto je n\u00e1bojov\u00fd re\u017eim dnes volbou sp\u00ed\u0161e pro odborn\u00edky:<\/p>\n<ul>\n<li><strong>Slo\u017eitost syst\u00e9mu:<\/strong> Samostatn\u00fd extern\u00ed zesilova\u010d zvy\u0161uje n\u00e1klady, zab\u00edr\u00e1 v\u00edce m\u00edsta a p\u0159edstavuje dal\u0161\u00ed m\u00edsto, kde m\u016f\u017ee doj\u00edt k poru\u0161e, a jeho instalace je slo\u017eit\u011bj\u0161\u00ed ne\u017e u \u0159et\u011bzce IEPE typu \u201eplug-and-play\u201c.<\/li>\n<li><strong>Po\u017eadavky na kabel:<\/strong> Syst\u00e9m vy\u017eaduje speci\u00e1ln\u00ed kabel s n\u00edzk\u00fdm \u0161umem, proto\u017ee pohyb b\u011b\u017en\u00e9ho kabelu vyvol\u00e1v\u00e1 ru\u0161iv\u00e9 n\u00e1boje v <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/triboelectric-noise\/\">triboelektrick\u00fd efekt<\/a>. Kabel je nutn\u00e9 pevn\u011b upnout, aby se neoh\u00fdbal, je dra\u017e\u0161\u00ed ne\u017e b\u011b\u017en\u00fd koaxi\u00e1ln\u00ed kabel a jeho d\u00e9lka je obvykle omezena na p\u0159ibli\u017en\u011b 100 m.<\/li>\n<li><strong>Citlivost na vlhkost:<\/strong> Velmi vysok\u00e1 impedance, na n\u00ed\u017e je konstrukce zalo\u017eena, je rovn\u011b\u017e citliv\u00e1 na pokles izola\u010dn\u00edho odporu. Vniknut\u00ed vlhkosti zp\u016fsobuje odchylky sign\u00e1lu a \u0161um, proto je nezbytn\u00e9 zajistit dobr\u00e9 ut\u011bsn\u011bn\u00ed a dobr\u00fd stav kabel\u016f.<\/li>\n<\/ul>\n<h2>4. Kdy pou\u017e\u00edt re\u017eim nab\u00edjen\u00ed \u2013 a kdy ne<\/h2>\n<h3>Skute\u010dn\u011b nutn\u00e9<\/h3>\n<ul>\n<li><strong>Vysok\u00e1 teplota:<\/strong> nad 175 \u00b0C \u2013 odtahov\u00e9 syst\u00e9my, pece, muhly, zkou\u0161ky motor\u016f.<\/li>\n<li><strong>Jadern\u00e1 prost\u0159ed\u00ed:<\/strong> \u00farovn\u011b z\u00e1\u0159en\u00ed p\u0159esahuj\u00edc\u00ed mezn\u00ed hodnoty, kter\u00e9 elektronika sn\u00edma\u010de zvl\u00e1d\u00e1.<\/li>\n<li><strong>V\u00fdbu\u0161n\u00e9 prost\u0159ed\u00ed:<\/strong> jiskrov\u011b bezpe\u010dn\u00e9 sn\u00edma\u010de bez aktivn\u00ed elektroniky v hlavici.<\/li>\n<li><strong>V\u00fdzkum:<\/strong> specializovan\u00e9 testov\u00e1n\u00ed, kter\u00e9 z\u00e1vis\u00ed na charakteristik\u00e1ch v re\u017eimu nab\u00edjen\u00ed.<\/li>\n<\/ul>\n<h3>Rad\u011bji se vyhnout<\/h3>\n<ul>\n<li>Standardn\u00ed pr\u016fmyslov\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/condition-monitoring\/\">monitorov\u00e1n\u00ed stavu<\/a> \u2014 m\u00edsto toho pou\u017eijte IEPE.<\/li>\n<li>Dlouh\u00e9 kabelov\u00e9 trasy proch\u00e1zej\u00ed prostorem s elektrick\u00fdm ru\u0161en\u00edm.<\/li>\n<li>Projekty s omezen\u00fdm rozpo\u010dtem, proto\u017ee nab\u00edjec\u00ed zesilova\u010de jsou drah\u00e9.<\/li>\n<li>Rutinn\u00ed pr\u00e1ce zalo\u017een\u00e1 na tras\u00e1ch, u n\u00ed\u017e nen\u00ed zv\u00fd\u0161en\u00e1 slo\u017eitost opodstatn\u011bn\u00e1.<\/li>\n<\/ul>\n<h2>5. Funkce, nastaven\u00ed a kalibrace<\/h2>\n<p>Typick\u00fd nab\u00edjec\u00ed zesilova\u010d nab\u00edz\u00ed nastavitelnou <strong>zisk\/citlivost<\/strong> \u2014 obvykle v rozmez\u00ed p\u0159ibli\u017en\u011b 0,1 a\u017e 1000 mV\/pC, tak\u017ee stejn\u00fd p\u0159\u00edstroj lze pou\u017e\u00edt pro \u0159adu senzor\u016f, pokud je kalibrov\u00e1n pro konkr\u00e9tn\u00ed senzor \u2014 nav\u00edc <strong>\u0159\u00edzen\u00ed frekven\u010dn\u00ed charakteristiky<\/strong> prost\u0159ednictv\u00edm nastaviteln\u00e9 horn\u00ed propusti (\u010dasto 0,1\u201310 Hz), doln\u00ed propusti <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/low-pass-filter\/\">anti-aliasingov\u00fd filtr<\/a>, a n\u011bkdy i vestav\u011bn\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/integration\/\">integrace<\/a> nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/differentiation\/\">diferenciace<\/a> pro m\u011b\u0159en\u00ed rychlosti nebo posunut\u00ed. Jeho n\u00edzkoimpedan\u010dn\u00ed v\u00fdstup je vhodn\u00fd pro dlouh\u00e9 kabely \u2013 obvykle \u00b110 V \u2013 a m\u016f\u017ee nap\u00e1jet v\u00edce ne\u017e jeden p\u0159\u00edstroj.<\/p>\n<p>Konfigurace prob\u00edh\u00e1 podle jasn\u00e9ho postupu: p\u0159ipojte sn\u00edma\u010d pomoc\u00ed vhodn\u00e9ho kabelu s n\u00edzk\u00fdm \u0161umem; nastavte zes\u00edlen\u00ed tak, aby odpov\u00eddalo citlivosti sn\u00edma\u010de na n\u00e1boj; nastavte mezn\u00ed frekvence horn\u00edho a doln\u00edho propust\u00ed podle dan\u00e9 aplikace; p\u0159ipojte v\u00fdstup k analyz\u00e1toru; a nakonec otestujte cel\u00fd m\u011b\u0159ic\u00ed \u0159et\u011bzec od za\u010d\u00e1tku do konce pomoc\u00ed zn\u00e1m\u00e9ho budic\u00edho sign\u00e1lu. Toto ov\u011b\u0159en\u00ed se obvykle prov\u00e1d\u00ed na vibra\u010dn\u00edm stole, pomoc\u00ed ru\u010dn\u00edho p\u0159enosn\u00e9ho kalibr\u00e1toru nebo p\u0159\u00edm\u00fdm srovn\u00e1n\u00edm s referen\u010dn\u00edm sn\u00edma\u010dem \u2013 p\u0159i\u010dem\u017e se kontroluje jak citlivost, tak frekven\u010dn\u00ed odezva. Vyd\u00e1n\u00ed nov\u00e9ho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/calibration-certificate\/\">kalibra\u010dn\u00ed certifik\u00e1t<\/a> t\u00edmto krokem se zachov\u00e1 sledovatelnost m\u011b\u0159en\u00ed, tedy pr\u00e1v\u011b ten princip, na kter\u00e9m spo\u010d\u00edv\u00e1 jak\u00e1koli spolehliv\u00e1 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/calibration\/\">kalibrace<\/a> re\u017eim.<\/p>\n<h2>6. Sou\u010dasn\u00e9 trendy a m\u00edsto, kter\u00e9 dnes zauj\u00edm\u00e1 nab\u00edjec\u00ed zesilova\u010d<\/h2>\n<p>Trajektorie je jedn\u00edm sm\u011brem: IEPE nahradilo n\u00e1bojov\u00fd re\u017eim ve velk\u00e9 v\u011bt\u0161in\u011b aplikac\u00ed, proto\u017ee je jednodu\u0161\u0161\u00ed, levn\u011bj\u0161\u00ed a snadn\u011bji nasaditeln\u00e9, a n\u011bkter\u00e9 provozy syst\u00e9my v n\u00e1bojov\u00e9m re\u017eimu aktivn\u011b vy\u0159azuj\u00ed. P\u0159esto z\u016fst\u00e1v\u00e1 tvrd\u00e9 j\u00e1dro \u00faloh \u2014 vysokoteplotn\u00ed monitorov\u00e1n\u00ed plynov\u00fdch turb\u00edn a motor\u016f, jadern\u00e9 elektr\u00e1rny, v\u00fdzkumn\u00e9 laborato\u0159e, p\u0159esn\u00e1 m\u011b\u0159en\u00ed vyu\u017e\u00edvaj\u00edc\u00ed vlastnosti n\u00e1bojov\u00e9ho re\u017eimu a \u00fadr\u017eba st\u00e1vaj\u00edc\u00edch star\u0161\u00edch instalac\u00ed. Pro v\u011bt\u0161inu ter\u00e9nn\u00edch prac\u00ed je praktickou alternativou samostatn\u00fd sn\u00edma\u010d s vestav\u011bnou elektronikou \u2014 IEPE nebo MEMS akcelerometr \u2014 p\u0159ipojen\u00fd k p\u0159enosn\u00e9mu p\u0159\u00edstroji. Tento <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a>, je nap\u0159\u00edklad dod\u00e1v\u00e1n se dv\u011bma analogov\u00fdmi MEMS akcelerometry, kter\u00e9 technik pou\u017e\u00edv\u00e1 k m\u011b\u0159en\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/phase\/\">amplituda a f\u00e1ze<\/a> a vyv\u00e1\u017eit <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/rotor\/\">rotor<\/a> samostatn\u011b, bez p\u0159edzesilova\u010de n\u00e1boje. N\u00e1bojov\u00fd zesilova\u010d je tedy specializovan\u00fd n\u00e1stroj: slo\u017eit\u00fd a n\u00e1kladn\u00fd, ale p\u0159edstavuje jedin\u00fd zp\u016fsob, jak vyu\u017e\u00edt sn\u00edma\u010d tam, kam b\u011b\u017en\u00e1 elektronika nedok\u00e1\u017ee proniknout.<\/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>Seznamte se s n\u00e1bojov\u00fdmi zesilova\u010di, elektronick\u00fdmi za\u0159\u00edzen\u00edmi, kter\u00e1 p\u0159ev\u00e1d\u011bj\u00ed vysokoimpedan\u010dn\u00ed n\u00e1boj z piezoelektrick\u00fdch senzor\u016f na n\u00edzkoimpedan\u010dn\u00ed nap\u011bt\u00ed, kter\u00e9 je pot\u0159ebn\u00e9 pro akcelerometry v nab\u00edjec\u00edm re\u017eimu.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-20638","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20638","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":2,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20638\/revisions"}],"predecessor-version":[{"id":102097,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/20638\/revisions\/102097"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=20638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=20638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=20638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}