{"id":4432,"date":"2023-05-25T18:54:29","date_gmt":"2023-05-25T18:54:29","guid":{"rendered":"https:\/\/csiag.eu\/?p=4432"},"modified":"2023-05-25T18:58:57","modified_gmt":"2023-05-25T18:58:57","slug":"emf-maetanordning","status":"publish","type":"post","link":"https:\/\/csiag.eu\/sv\/blog\/2023\/05\/25\/emf-messgeraet\/","title":{"rendered":"EMF \u2013 m\u00e4tinstrument"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inneh\u00e5llsf\u00f6rteckning<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/csiag.eu\/sv\/blog\/2023\/05\/25\/emf-messgeraet\/#Einheiten\" >Enheter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/csiag.eu\/sv\/blog\/2023\/05\/25\/emf-messgeraet\/#Sensoren\" >Sensorer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/csiag.eu\/sv\/blog\/2023\/05\/25\/emf-messgeraet\/#Messen\" >M\u00e4ta<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/csiag.eu\/sv\/blog\/2023\/05\/25\/emf-messgeraet\/#Interpretation\" >tolkning<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e4stid<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minuter<\/span><\/span>\n<p>En EMF-m\u00e4tanordning anv\u00e4nds f\u00f6r att detektera elektromagnetiska f\u00e4lt. S\u00e5dana m\u00e4tinstrument finns tillg\u00e4ngliga fr\u00e5n cirka 150 euro, och det finns knappast n\u00e5gra \u00f6vre gr\u00e4nser.<\/p>\n\n\n\n<p>Enkla m\u00e4tinstrument har inbyggda sensorer, medan dyra instrument har externa antennanslutningar som m\u00f6jligg\u00f6r anslutning av (riktade) antenner skr\u00e4ddarsydda f\u00f6r respektive problem. Naturligtvis \u00e4r s\u00e5dana laboratoriem\u00e4tanordningar kalibrerade och m\u00e4tresultat kan anv\u00e4ndas som referensv\u00e4rden, men s\u00e5dana apparater som denna r\u00e4cker f\u00f6r ungef\u00e4rlig redovisning och tolkning av vardagliga fr\u00e5gor <a href=\"https:\/\/www.gqelectronicsllc.com\/comersus\/store\/comersus_viewItem.asp?idProduct=5678\" target=\"_blank\" rel=\"noreferrer noopener\">EMF-390<\/a> av GQ Electronics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Einheiten\"><\/span>Enheter<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tre olika m\u00e5tt best\u00e4ms:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Elektromagnetisk f\u00e4ltstyrka (EMF) \u2013 upp till 50 \u03bcT, motsvarande 500 mG (uppl\u00f6sning 0,01 \u03bcT) <\/li>\n\n\n\n<li>Elektriskt f\u00e4lt (EF) \u2013 upp till 1 kV\/m (uppl\u00f6sning 1 V\/m)<\/li>\n\n\n\n<li>Radiofrekvens (RF) \u2013 10 MHz till 10 GHz<\/li>\n<\/ul>\n\n\n\n<p>F\u00f6rutom att visa ovanst\u00e5ende v\u00e4rden, visas \u00e4ven toppv\u00e4rden och serier av m\u00e4tningar sparas internt p\u00e5 SD-kortet med sekunders intervall. En inbyggd spektrumanalysator visar f\u00f6rdelningen av de uppm\u00e4tta v\u00e4rdena \u00f6ver tiden och visar vilken typ av str\u00e5lning som uppm\u00e4tts, t.ex. telefon, WIFI, om den kan s\u00e4rskiljas, annars visas &quot;blandad&quot;.<\/p>\n\n\n\n<p>EMF-m\u00e4tningen representeras ocks\u00e5 numeriskt i tredimensionellt utrymme med avseende p\u00e5 X-, Y- och Z-axlarna, som visas grafiskt.<\/p>\n\n\n\n<p>Loggdata kan laddas ner via USB med gratis programvara (Windows). Det finns \u00e4ven anslutning under Mac OS.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sensoren\"><\/span>Sensorer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>EMF-sensorerna \u00e4r placerade i den \u00f6vre tredjedelen, RF-sensorn \u00e4r i det \u00f6vre h\u00f6gra h\u00f6rnet av enheten och EF-sensorn \u00e4r i mitten av fronten.<\/p>\n\n\n\n<p>Detta resulterar i den nedre tredjedelen som ett omr\u00e5de som anv\u00e4nds f\u00f6r att h\u00e5lla enheten i handen utan att t\u00e4cka displayen eller p\u00e5verka sensorerna. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Messen\"><\/span>M\u00e4ta<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u00e4tningar ska alltid utf\u00f6ras p\u00e5 ett s\u00e5dant s\u00e4tt att st\u00f6rningsk\u00e4llor i stort sett elimineras f\u00f6re m\u00e4tningen (t.ex. din egen mobiltelefon, Bluetooth-anslutningar, avst\u00e4ngning av elektriska kretsar).<\/p>\n\n\n\n<p>Om du till exempel vill ta reda p\u00e5 vilka enheter i din hemmilj\u00f6 som avger en h\u00f6gre str\u00e5lningspotential sl\u00e5r du p\u00e5 m\u00e4tapparaten genom att trycka p\u00e5 str\u00f6mbrytaren i ungef\u00e4r en sekund och v\u00e4ntar p\u00e5 att de olika data ska visas.<\/p>\n\n\n\n<p>Spektrumanalysatorgrafiken ger en \u00f6versikt \u00f6ver befintliga frekvenser och den emitterade effekten. De individuella m\u00e4tv\u00e4rdena EF, EMF och RF ger information om den befintliga elektriska f\u00e4ltstyrkan, den elektromagnetiska komponenten och effektt\u00e4theten per kvadratmeter.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Interpretation\"><\/span>tolkning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Kunskaper fr\u00e5n radioteknikomr\u00e5det \u00e4r till hj\u00e4lp f\u00f6r att tolka de uppm\u00e4tta v\u00e4rdena. F\u00f6ljande blogginl\u00e4gg rekommenderas h\u00e4r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/csiag.eu\/sv\/utbredningsdaempning-av-radiovagor\/\" target=\"_blank\" data-type=\"post\" data-id=\"3897\" rel=\"noreferrer noopener\">Utbredning och d\u00e4mpning av radiov\u00e5gor<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/csiag.eu\/sv\/elektrosmog\/\" target=\"_blank\" data-type=\"post\" data-id=\"4186\" rel=\"noreferrer noopener\">Elektrosmog<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/csiag.eu\/sv\/ehs-eloeverkaenslighet\/\" target=\"_blank\" data-type=\"post\" data-id=\"4363\" rel=\"noreferrer noopener\">EHS \u2013 El\u00f6verk\u00e4nslighet<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e4stid<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minuter<\/span><\/span>Ein EMF-Messger\u00e4t dient der Erfassung elektromagnetischer Felder. Derartige Messger\u00e4te sind ab etwa 150,- Euro erh\u00e4ltlich, nach oben sind kaum Grenzen gesetzt. Einfache Messger\u00e4te besitzen eingebaute Sensoren, w\u00e4hrend hochpreisige Instrumente \u00fcber externe Antennenanschl\u00fcsse verf\u00fcgen, die einen Anschluss von auf die jeweilige Problemstellung abgestimmte (Richt-)Antennen erlauben. Nat\u00fcrlich sind solche Labor-Messger\u00e4te geeicht und Messergebnisse als Referenzwerte nutzbar, doch&hellip;&nbsp;<a href=\"https:\/\/csiag.eu\/sv\/blog\/2023\/05\/25\/emf-messgeraet\/\" rel=\"bookmark\">L\u00e4s mer \"<span class=\"screen-reader-text\">EMF \u2013 m\u00e4tinstrument<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1586,1525,1606,1302],"tags":[524,1272,1607,1611,1588,1609,1610,948,1540,1557,1384,1616,1608,1615,1613,1612,1617,1614],"class_list":["post-4432","post","type-post","status-publish","format-standard","hentry","category-elektrosensibilitaet","category-elektrosmog","category-emf","category-funktechnik","tag-bluetooth","tag-display","tag-ef","tag-elektrisches-feld","tag-emf","tag-emf-390","tag-feldstaerke","tag-handy","tag-hochfrequenz","tag-leistungsdichte","tag-messgeraet","tag-messung","tag-rf","tag-sensor","tag-spektrum-analyzer","tag-spitzenwert","tag-stoerquelle","tag-strahlung"],"modified_by":"Achim Goerner","_links":{"self":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts\/4432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/comments?post=4432"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts\/4432\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/media?parent=4432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/categories?post=4432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/tags?post=4432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}