{"id":318,"date":"2023-04-10T13:28:52","date_gmt":"2023-04-10T11:28:52","guid":{"rendered":"https:\/\/extraljusfakta.se\/?p=318"},"modified":"2025-06-25T13:37:49","modified_gmt":"2025-06-25T11:37:49","slug":"emc-filter-vad-ar-det-och-varfor-behovs-det","status":"publish","type":"post","link":"https:\/\/extraljusfakta.se\/index.php\/2023\/04\/10\/emc-filter-vad-ar-det-och-varfor-behovs-det\/","title":{"rendered":"EMC-FILTER: VAD \u00c4R DET OCH VARF\u00d6R BEH\u00d6VS DET?"},"content":{"rendered":"<p data-start=\"50\" data-end=\"98\"><span style=\"font-size: 16px;\">N\u00e4r du installerar extraljus, ledramper, backljus eller varningsljus \u00e4r det l\u00e4tt att fokusera p\u00e5 r\u00e4ckvidd, lumen och design. Men det finns en annan egenskap som ofta f\u00f6rbises \u2013 och som kan g\u00f6ra hela skillnaden i praktiken: <\/span><strong style=\"font-size: 16px;\" data-start=\"323\" data-end=\"337\">EMC-filter<\/strong><span style=\"font-size: 16px;\">.<\/span><\/p>\n<p data-start=\"340\" data-end=\"420\">S\u00e5 vad \u00e4r det egentligen? Och varf\u00f6r spelar det roll? H\u00e4r reder vi ut begreppet.<\/p>\n<hr data-start=\"422\" data-end=\"425\" \/>\n<h3 data-start=\"427\" data-end=\"447\">Vad betyder EMC?<\/h3>\n<p data-start=\"449\" data-end=\"641\">EMC st\u00e5r f\u00f6r <strong data-start=\"462\" data-end=\"495\">Electromagnetic Compatibility<\/strong>, eller elektromagnetisk kompatibilitet p\u00e5 svenska. Det handlar om att elektronisk utrustning inte ska st\u00f6ra \u2013 eller st\u00f6ras av \u2013 annan elektronik.<\/p>\n<p data-start=\"643\" data-end=\"698\">N\u00e4r det g\u00e4ller fordonsbelysning inneb\u00e4r det att lampan:<\/p>\n<ul data-start=\"699\" data-end=\"909\">\n<li data-start=\"699\" data-end=\"733\">\n<p data-start=\"701\" data-end=\"733\"><strong data-start=\"701\" data-end=\"733\">Inte orsakar radiost\u00f6rningar<\/strong><\/p>\n<\/li>\n<li data-start=\"734\" data-end=\"807\">\n<p data-start=\"736\" data-end=\"807\"><strong data-start=\"736\" data-end=\"807\">Inte st\u00f6r fordonets elektronik, sensorer eller kommunikationssystem<\/strong><\/p>\n<\/li>\n<li data-start=\"808\" data-end=\"909\">\n<p data-start=\"810\" data-end=\"909\"><strong data-start=\"810\" data-end=\"909\">T\u00e5l att uts\u00e4ttas f\u00f6r elst\u00f6rningar fr\u00e5n andra k\u00e4llor utan att b\u00f6rja blinka, flimra eller slockna<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"911\" data-end=\"914\" \/>\n<h3 data-start=\"916\" data-end=\"949\">Varf\u00f6r \u00e4r EMC-filter viktigt?<\/h3>\n<p data-start=\"951\" data-end=\"1037\">Det korta svaret: <strong data-start=\"969\" data-end=\"1004\">f\u00f6r att du vill undvika problem<\/strong>. Och de kan se ut p\u00e5 flera s\u00e4tt:<\/p>\n<ul data-start=\"1039\" data-end=\"1352\">\n<li data-start=\"1039\" data-end=\"1132\">\n<p data-start=\"1041\" data-end=\"1132\"><strong data-start=\"1041\" data-end=\"1076\">Extraljus som st\u00f6r ut FM-radion<\/strong> \u2013 ett vanligt problem med budgetlampor utan EMC-filter.<\/p>\n<\/li>\n<li data-start=\"1133\" data-end=\"1186\">\n<p data-start=\"1135\" data-end=\"1186\"><strong data-start=\"1135\" data-end=\"1186\">Ledramper som p\u00e5verkar GPS eller DAB-mottagning<\/strong><\/p>\n<\/li>\n<li data-start=\"1187\" data-end=\"1264\">\n<p data-start=\"1189\" data-end=\"1264\"><strong data-start=\"1189\" data-end=\"1264\">Varningsljus som blinkar oj\u00e4mnt n\u00e4r de f\u00e5r st\u00f6rningar fr\u00e5n andra system<\/strong><\/p>\n<\/li>\n<li data-start=\"1265\" data-end=\"1352\">\n<p data-start=\"1267\" data-end=\"1352\"><strong data-start=\"1267\" data-end=\"1352\">Backljus som flimrar n\u00e4r du l\u00e4gger i backen p\u00e5 nyare bilar med k\u00e4nslig elektronik<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1354\" data-end=\"1473\">I v\u00e4rsta fall kan belysningen st\u00f6ra viktiga s\u00e4kerhetssystem \u2013 s\u00e4rskilt p\u00e5 moderna fordon med avancerade canbus-n\u00e4tverk.<\/p>\n<hr data-start=\"1475\" data-end=\"1478\" \/>\n<h3 data-start=\"1480\" data-end=\"1524\">S\u00e5 k\u00e4nner du igen en lampa med EMC-skydd<\/h3>\n<p data-start=\"1526\" data-end=\"1746\">Ska du vara s\u00e4ker p\u00e5 att lampan inte st\u00f6r, b\u00f6r den vara <strong data-start=\"1582\" data-end=\"1636\">EMC-certifierad enligt CISPR25 klass 3 eller h\u00f6gre<\/strong>. Det \u00e4r en internationell standard som visar att lampan klarar tester f\u00f6r elektromagnetisk st\u00f6rning i fordon.<\/p>\n<p data-start=\"1748\" data-end=\"1819\">M\u00e5nga tillverkare m\u00e4rker ut detta tydligt, men du kan ocks\u00e5 kika efter:<\/p>\n<ul data-start=\"1820\" data-end=\"1966\">\n<li data-start=\"1820\" data-end=\"1837\">\n<p data-start=\"1822\" data-end=\"1837\"><strong data-start=\"1822\" data-end=\"1837\">CE-m\u00e4rkning<\/strong><\/p>\n<\/li>\n<li data-start=\"1838\" data-end=\"1897\">\n<p data-start=\"1840\" data-end=\"1897\"><strong data-start=\"1840\" data-end=\"1897\">EMC-symboler eller CISPR-beteckningar i produktbladet<\/strong><\/p>\n<\/li>\n<li data-start=\"1898\" data-end=\"1966\">\n<p data-start=\"1900\" data-end=\"1966\">Fr\u00e5ga om lampan testats enligt <strong data-start=\"1931\" data-end=\"1942\">ECE R10<\/strong>, som ocks\u00e5 reglerar EMC<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1968\" data-end=\"1971\" \/>\n<h3 data-start=\"1973\" data-end=\"2025\">Kort sagt: en liten detalj som g\u00f6r stor skillnad<\/h3>\n<p data-start=\"2027\" data-end=\"2318\">Att v\u00e4lja lampor med EMC-filter handlar inte om att vara petig \u2013 det handlar om att <strong data-start=\"2111\" data-end=\"2197\">s\u00e4kerst\u00e4lla att belysningen fungerar som den ska, utan att p\u00e5verka resten av bilen<\/strong>. Det g\u00e4ller oavsett om du k\u00f6r med en LED-ramp i fj\u00e4llen, har varningsljus p\u00e5 v\u00e4gen eller backljus p\u00e5 en maskin i skogen.<\/p>\n<hr data-start=\"2320\" data-end=\"2323\" \/>\n<p data-start=\"2325\" data-end=\"2529\"><strong data-start=\"2325\" data-end=\"2334\">Tips:<\/strong><br data-start=\"2334\" data-end=\"2337\" \/>K\u00f6p fr\u00e5n etablerade m\u00e4rken som specificerar EMC-skydd. Och om du upplever radiost\u00f6rningar \u2013 byt till en lampa med bevisad EMC-kompatibilitet. Det kan spara dig b\u00e5de frustration och fels\u00f6kning.<\/p>\n<hr data-start=\"2531\" data-end=\"2534\" \/>\n<p data-start=\"2536\" data-end=\"2639\" data-is-last-node=\"\" data-is-only-node=\"\">\n","protected":false},"excerpt":{"rendered":"<p>N\u00e4r du installerar extraljus, ledramper, backljus eller varningsljus \u00e4r det l\u00e4tt att fokusera p\u00e5 r\u00e4ckvidd, lumen och design. Men det finns en annan egenskap som ofta f\u00f6rbises \u2013 och som kan g\u00f6ra hela skillnaden i praktiken: EMC-filter. S\u00e5 vad \u00e4r det egentligen? Och varf\u00f6r spelar det roll? H\u00e4r reder vi ut begreppet. Vad betyder EMC? [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":320,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-318","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-okategoriserade"],"_links":{"self":[{"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/posts\/318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/comments?post=318"}],"version-history":[{"count":1,"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/posts\/318\/revisions"}],"predecessor-version":[{"id":319,"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/posts\/318\/revisions\/319"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/media\/320"}],"wp:attachment":[{"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/media?parent=318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/categories?post=318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/extraljusfakta.se\/index.php\/wp-json\/wp\/v2\/tags?post=318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}