{"id":8304,"date":"2022-02-17T08:00:00","date_gmt":"2022-02-17T08:00:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=8304"},"modified":"2022-10-28T11:30:29","modified_gmt":"2022-10-28T10:30:29","slug":"att-kopa-en-barbar-multimeter-en-guide","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/underhall-reparation-och-drift\/att-kopa-en-barbar-multimeter-en-guide\/","title":{"rendered":"Att k\u00f6pa en b\u00e4rbar multimeter: en guide"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.elfa.se\/sv\/maetteknik\/handhallna-multimetrar\/digitala-multimetrar-handhallna\/c\/cat-DNAV_PL_140603\" target=\"_blank\" rel=\"noreferrer noopener\">Digitala multimetrar<\/a> \u00e4r utan tvekan de mest anv\u00e4nda m\u00e4tinstrumenten inom omr\u00e5dena elektroteknik och elektronik. P\u00e5 grund av deras popularitet s\u00e5 finns det v\u00e4ldigt m\u00e5nga modeller att v\u00e4lja mellan. Den h\u00e4r guiden kommer att hj\u00e4lpa dig att g\u00f6ra det r\u00e4tta valet f\u00f6r dina behov.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"400\"  height=\"650\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAKKAQMAAAAp1J\/vAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADdJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJ4GgX4AAWD+yG4AAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-2735 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 400px) 100vw, 400px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-3.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-3.jpg 400w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-3.jpg?resize=185,300 185w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-3.jpg?resize=380,618 380w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h2 id=\"multimetrar-allmant-bruk\" class=\"wp-block-heading\">Multimetrar allm\u00e4nt bruk<\/h2>\n\n\n\n<p>En multimeter anv\u00e4nds f\u00f6r att m\u00e4ta de grundl\u00e4ggande elektriska storheterna str\u00f6m, sp\u00e4nning (AC+DC) och motst\u00e5nd. Denna m\u00e5ngsidighet \u00e4r det som gav dem sitt namn: \u201dmulti\u201d (=m\u00e5nga) \u201dmeter\u201d (=m\u00e4tare). De flesta multimetrar ger dig ocks\u00e5 m\u00f6jlighet att m\u00e4ta ytterligare storheter s\u00e5som kapacitans, frekvens eller temperatur. En multimeter \u00e4r i grunden ett kompakt och m\u00e5ngsidigt verktyg.<\/p>\n\n\n\n<p>Den vanligt f\u00f6rekommande termen \u201ddigital multimeter\u201d har h\u00e4mtats fr\u00e5n verktygets m\u00e4tmetod snarare \u00e4n dess digitala display. N\u00e4stan alla multimetrar anv\u00e4nder en digital m\u00e4tmetod, vilket inneb\u00e4r att de analoga data som samlas in omvandlas till digitala signaler vilka sedan bearbetas ytterligare av en A-D-omvandlare som \u00e4r integrerad i multimetern. Funktioner s\u00e5som automatiskt val av m\u00e4tomr\u00e5de eller att kontrollera den digitala displayen skapar ett behov av digital information. Men trots det \u00e4r digitala multimetrar med analog display ocks\u00e5 ett alternativ \u2013 dessa enheters visar m\u00e4tningarna i analoga stapeldiagram eller genom att imitera en m\u00e4tare.<\/p>\n<\/div><\/div>\n\n\n\n<h4 id=\"hur-anvander-man-en-digital-multimeter\" class=\"wp-block-heading\">Hur anv\u00e4nder man en digital multimeter? <\/h4>\n\n\n\n<p>Om du redan k\u00e4nner till den huvudsakliga anv\u00e4ndningen av multimetrar, se till att innan du startar n\u00e5gon av dina applikationer (antingen \u00f6vervakning, analys, fels\u00f6kning eller uppt\u00e4ckt) att ta h\u00e4nsyn till inst\u00e4llningar och metoder: <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>St\u00e4ll in r\u00e4tt m\u00e4tnoggrannhet och uppl\u00f6sning. <\/li><li>M\u00e4t str\u00f6mmen som passerar en krets. <\/li><li>Testa dioder. <\/li><li>M\u00e4t frekvensen hos AC-signaler. <\/li><li>Kontrollera kondensatorv\u00e4rde. <\/li><li>Testa omkopplare, kontakter och s\u00e4kringar f\u00f6r fortsatt drift. <\/li><li>M\u00e4t temperatur<\/li><\/ul>\n\n\n\n<h2 id=\"noggrannhet-och-upplosning\" class=\"wp-block-heading\">Noggrannhet och uppl\u00f6sning<\/h2>\n\n\n\n<p>En multimeters noggrannhet kan vara den avg\u00f6rande faktorn n\u00e4r du v\u00e4ljer mellan olika modeller. Att exempelvis kunna matcha en sp\u00e4nningen i krets exakt, kr\u00e4ver en mer exakt sp\u00e4nningsm\u00e4tning \u00e4n vid allm\u00e4n elektrisk testning.<\/p>\n\n\n\n<p>Noggrannheten kan m\u00e4tas i procent, antingen fr\u00e5n det slutliga v\u00e4rdet i det inst\u00e4llda m\u00e4tomr\u00e5det eller fr\u00e5n det uppm\u00e4tta v\u00e4rdet. Skillnaden mellan dessa tv\u00e5 \u00e4r betydande och det \u00e4r klokt att titta i databladet f\u00f6r att fastst\u00e4lla vilket v\u00e4rde din multimeter rekommenderar. Som en tumregel \u00e4r AC-m\u00e4tningar mycket mindre exakta \u00e4n DC-m\u00e4tningar.<\/p>\n\n\n\n<p>Uppl\u00f6sning definieras som den minsta m\u00e4tdifferensen en multimeter kan k\u00e4nna av. En multimeter kommer ha olika uppl\u00f6sningar f\u00f6r olika m\u00e4tomr\u00e5den. Vanligtvis \u00e4r uppl\u00f6sningen h\u00f6g nog f\u00f6r att ge bra resultat inom den grundl\u00e4ggande noggrannhetsklassen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"800\"  height=\"500\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAH0AQMAAAD\/jts7AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEhJREFUeNrtwQENAAAAwqD3T20ON6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAZwPFRAABXG3\/UwAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2895 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/istock-kh-1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/istock-kh-1.jpg 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/istock-kh-1.jpg?resize=300,188 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/istock-kh-1.jpg?resize=768,480 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/istock-kh-1.jpg?resize=380,238 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/istock-kh-1.jpg?resize=550,344 550w\" ><\/figure>\n\n\n\n<h2 id=\"prisintervall\" class=\"wp-block-heading\">Prisintervall<\/h2>\n\n\n\n<p>Det finns ett stort sortiment av multimetrar till salu och prisklassen varierar. P\u00e5 hobbyniv\u00e5 beh\u00f6vs kanske en enkel multimeter med begr\u00e4nsade funktioner som kostar mellan 10\u2013100 EUR. Billigare multimetrar m\u00e4ter tv\u00e5 g\u00e5nger per sekund vilket i allm\u00e4nhet inte r\u00e4cker f\u00f6r professionell anv\u00e4ndning. Det l\u00e4gre prisintervallet f\u00f6r professionell anv\u00e4ndning b\u00f6rjar p\u00e5 100 EUR. Produkter i mellanklassen kostar 200\u2013500 EUR, och multimetrar i den h\u00f6gre prisklassen kostar 500\u20131 500 EUR \u2013 ett h\u00f6gt pris som motiveras av deras m\u00e5nga specialfunktioner.<\/p>\n\n\n\n<h2 id=\"ytterligare-funktioner\" class=\"wp-block-heading\">Ytterligare funktioner<\/h2>\n\n\n\n<p>Den verkliga skillnaden mellan multimetrar som str\u00e4cker sig bortom det mest grundl\u00e4ggande funktionerna, att m\u00e4ta str\u00f6m, sp\u00e4nning och motst\u00e5nd, b\u00f6rjar att visas sig n\u00e4r vi tar en titt p\u00e5 listan \u00f6ver de ytterligare funktioner som finns att tillg\u00e5. Med vissa multimetrar kan \u00e4ven kapacitans, frekvens, kontinuitet, dioder och pulsl\u00e4ngd testas.Vi har samlat ihop n\u00e5gra av de ytterligare funktioner som multimetrar kan erbjuda och som kan p\u00e5verka ditt k\u00f6pbeslut:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><th>Funktion<\/th><th>Funktion<\/th><th>F\u00f6rdel<\/th><\/tr><tr><td>Automatiskt val av m\u00e4tomr\u00e5de<\/td><td>Justerar automatiskt multimetern till m\u00e4tomr\u00e5det f\u00f6r ing\u00e5ngar<\/td><td>Sparar tid och minimerar m\u00e4tfelen<\/td><\/tr><tr><td>Testa transistorkretsar<\/td><td>Kontrollerar om transistorn fungerar<\/td><td>Anv\u00e4ndbart f\u00f6r testning av digitala logikkretsar och Integrerade kretsar<\/td><\/tr><tr><td>Displayens uppdateringshastighet<\/td><td>Visar den hastighet med vilken den digitala displayen uppdateras<\/td><td>Snabbare uppdateringar av displayen ger mer exakta m\u00e4tningar<\/td><\/tr><tr><td>\u201dFrys\u201d-funktion<\/td><td>G\u00f6r att displayen inte \u00e4ndras<\/td><td>Anv\u00e4ndbart n\u00e4r m\u00e4tningar ska antecknas<\/td><\/tr><tr><td>Display med stora siffror och bakgrundsbelysning<\/td><td>Designad f\u00f6r enkel anv\u00e4ndning<\/td><td>L\u00e4tt att l\u00e4sa av till och med i m\u00f6rka tr\u00e5nga utrymmen och k\u00e4llare d\u00e4r elektriska system ibland finns<\/td><\/tr><tr><td>ISO- eller NIST-kalibrering<\/td><td>Indikerar efterlevnad f\u00f6r certifierade f\u00f6retag<\/td><td>Garanterar de h\u00f6gsta niv\u00e5erna av noggrannhet vid m\u00e4tning<\/td><\/tr><tr><td>Kalibrering<\/td><td>Multimetern levereras kalibrerad<\/td><td>Kalibrerade parametrars m\u00e4ttolerans garanteras<\/td><\/tr><tr><td>Grafisk \u00e5tergivning<\/td><td>M\u00e4ngd som testas visas dvs. som ett stapeldiagram<\/td><td>Ger m\u00f6jlighet att uppt\u00e4cka snabbt f\u00f6r\u00e4nderliga trender<\/td><\/tr><tr><td>Justerbar hastighet f\u00f6r insamling av m\u00e4tv\u00e4rden<\/td><td>Visar den hastighet med vilken m\u00e4tv\u00e4rden samlas in<\/td><td>Insamling av m\u00e4tv\u00e4rden med snabbare intervall inneb\u00e4r mer exakta m\u00e4tningar<\/td><\/tr><tr><td>Avtagbart dataminne<\/td><td>Uppm\u00e4tta data lagras i en avtagbar komponent<\/td><td>G\u00f6r det m\u00f6jligt att f\u00e5 tillg\u00e5ng till data p\u00e5 olika enheter<\/td><\/tr><tr><td>Datainsamling<\/td><td>Uppm\u00e4tta signalv\u00e4rden sparas i enhetens minne<\/td><td>Registrerar m\u00e4tningar under en viss period, samlar in ett antal m\u00e4tv\u00e4rden med best\u00e4mda intervaller<\/td><\/tr><tr><td>Low pass-filter<\/td><td>Till\u00e5ter endast signaler upp till en frekvensgr\u00e4ns p\u00e5 f(x)<\/td><td>F\u00f6r att m\u00e4ta drivsystem med variabel frekvens (VFD)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"sann-rms\" class=\"wp-block-heading\">Sann RMS<\/h2>\n\n\n\n<p>F\u00f6r att m\u00e4ta icke-sinusformade v\u00e4xelstr\u00f6mmar beh\u00f6vs en multimeter med sann RMS-funktion. N\u00e5gra exempel p\u00e5 milj\u00f6er som kr\u00e4ver m\u00e4tare med sann RMS \u00e4r motordrivning med variabla hastigheter, driftdon, datorer, HVAC och halvledarmilj\u00f6er. Icke-homogena v\u00e4xelsp\u00e4nningar eller -str\u00f6mmar kan endast m\u00e4tas korrekt med en TRMS-multimeter. Enkla RMS-multimetrar utg\u00e5r alltid ifr\u00e5n att AC-sp\u00e4nningen som testas \u00e4r en sinusv\u00e5g \u2013 m\u00e4tningen ber\u00e4knas matematiska genom den uppfattade sinusv\u00e5gens medelv\u00e4rde. Metoden fungerar inte f\u00f6r amplitud- eller frekvensmodulerade v\u00e4xelstr\u00f6mmar och f\u00f6r att kunna g\u00f6ra en korrekt m\u00e4tning kr\u00e4vs en en TRMS-multimeter.<\/p>\n\n\n\n<p>Se <a href=\"https:\/\/www.elfa.se\/sv\/manufacturer\/rnd-lab\/man_rnl?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">RND<\/a>-videon f\u00f6r att ta reda p\u00e5 hur Digital True RMS auto-range-multimeter fungerar, och hur man anv\u00e4nder den.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"RND TRUE RMS AUTORANGING DIGITAL MULTIMETER UNBOXING\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/RWUaiCGItxI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 id=\"sakerhetsklasser\" class=\"wp-block-heading\">S\u00e4kerhetsklasser<\/h2>\n\n\n\n<p>En multimeters s\u00e4kerhet \u00e4r en viktig faktor som utan tvekan kommer att p\u00e5verka vilken modell du v\u00e4ljer. Varje multimeter kommer att hamna i en av fyra s\u00e4kerhetsklasser:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Kategori I: f\u00f6r m\u00e4tningar som utf\u00f6rs p\u00e5 kretsar som inte \u00e4r direkt anslutna till ELN\u00c4TET, s\u00e5som sm\u00e5 elektronikprojekt.<\/li><li>Kategori II: f\u00f6r m\u00e4tningar som utf\u00f6rs i kretsar som \u00e4r direkt anslutna till en installation med l\u00e5g sp\u00e4nning s\u00e5som hush\u00e5llsapparater eller b\u00e4rbara verktyg.<\/li><li>Kategori III: f\u00f6r m\u00e4tningar som utf\u00f6rs i en byggnadsinstallation s\u00e5som f\u00f6rdelningstavlor, \u00f6versp\u00e4nningsskydd, ledningar, samlingsskenor, f\u00f6rdelardosor, str\u00f6mbrytare, uttag i en fast installation och industriutrustning.<\/li><li>Kategori IV: F\u00f6r m\u00e4tningar som utf\u00f6rs vid k\u00e4llan p\u00e5 en installation med l\u00e5g sp\u00e4nning s\u00e5som en elm\u00e4tare och m\u00e4tningar p\u00e5 prim\u00e4ra \u00f6verstr\u00f6msskyddsanordningar och rippelkontrollenheter.<\/li><\/ul>\n\n\n\n<p>Om du har multimeterns tillt\u00e4nkta anv\u00e4ndningsomr\u00e5de i \u00e5tanke \u00e4r det enkelt att avg\u00f6ra vilken s\u00e4kerhetsklass din enhet beh\u00f6ver. Om du misst\u00e4nker att du kommer att anv\u00e4nda multimetern f\u00f6r att m\u00e4ta h\u00f6gre sp\u00e4nning i framtiden \u00e4r det klokt att v\u00e4lja en h\u00f6gre s\u00e4kerhetsklass.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"800\"  height=\"500\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAH0AQMAAAD\/jts7AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEhJREFUeNrtwQENAAAAwqD3T20ON6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAZwPFRAABXG3\/UwAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2896 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 800px) 100vw, 800px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-1.jpg 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-1.jpg?resize=300,188 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-1.jpg?resize=768,480 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-1.jpg?resize=380,238 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-1.jpg?resize=550,344 550w\" ><\/figure>\n\n\n\n<h2 id=\"bordsmultimetrar-med-hog-precision\" class=\"wp-block-heading\">Bordsmultimetrar med h\u00f6g precision<\/h2>\n\n\n\n<p>Inom omr\u00e5dena forskning och utveckling kan det ibland finnas ett behov av att m\u00e4ta med s\u00e4rskilt h\u00f6g precision \u2013 speciellt vid arbete med extremt l\u00e5ga str\u00f6mstyrkor och sp\u00e4nningar. I dessa milj\u00f6er \u00e4r b\u00e4nkmultimetrar \u00e4r det b\u00e4sta alternativet, de kan m\u00e4ta str\u00f6m str\u00f6mstyrkor ner till nanoampere. F\u00f6rutom deras extrema noggrannhet och uppl\u00f6sning har dessa enheter ocks\u00e5 ofta programmeringsfunktioner, dataloggning eller grafiska displayer.<\/p>\n\n\n\n<p>Vi hoppas att ditt val multimeter kommer bli l\u00e4ttare med alla dess punkter i \u00e5tanke. Om du skulle vilja f\u00e5 n\u00e5gra produktexempel f\u00e5r du g\u00e4rna kolla p\u00e5 v\u00e5ra rekommendationer nedan eller ta en titt i&nbsp;<a href=\"https:\/\/www.elfa.se\/c\/cat-L2D_2072763\" target=\"_blank\" rel=\"noreferrer noopener\">v\u00e5rwebbutik<\/a>.<\/p>\n\n\n\n<h2 id=\"rekommenderade-produkter\" class=\"wp-block-heading\">Rekommenderade produkter<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p style=\"font-size:17px\"><strong>RND 355-00010 &#8211; True RMS Auto-range digital multimeter 1kV 10MHz 50MOhm, RND Lab<\/strong><\/p>\n\n\n\n<p>RND har ett brett utbud av digitala multimetrar till bra priser, inklusive versioner med True RMS och auto-range. RND l\u00e5ter dig uppfylla dina grundl\u00e4ggande test- och m\u00e4tbehov utan att \u00f6verskrida budgeten. Den digitala True RMS-multimetern med auto-range (automatiskt m\u00e4tomr\u00e5de) \u00e4r kompakt och handh\u00e5llen. Dess m\u00e4tfunktioner inkluderar AC\/DC-sp\u00e4nning, AC\/DC-str\u00f6m, kontinuitet, diodtest, frekvens, impedans och resistans.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-13502 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30172038-09.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30172038-09.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30172038-09.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30172038-09.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30172038-09.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30172038-09.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30172038-09.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=30172038\" style=\"border-radius:2px\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Kop Nu<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p style=\"font-size:17px\"><strong>Fluke 179 digital multimeter med sann RMS<\/strong><\/p>\n\n\n\n<p>Fluke 179 digital multimeter med sann RMS \u00e4r branschstandarden f\u00f6r fels\u00f6kning och reparationer av elektriska och elektroniska system.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"650\"  height=\"363\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAooAAAFrAQMAAABsSjp1AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADRJREFUeNrtwQENAAAAwqD3T20PBxQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwIkBdbEAAaDoyx8AAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-2897 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 650px) 100vw, 650px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product1.jpg 650w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product1.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product1.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product1.jpg?resize=550,307 550w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=17605843\" style=\"border-radius:2px\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Kop Nu<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p><strong> PeakTech 3444 &#8211; Digital Multimeter <\/strong><\/p>\n\n\n\n<p> Automatiskt upplysta funktionsknappar och vridomkopplare, Inbyggd kraftfull LED-ficklampa, kontinuitet med summer och diodtest, datafrysning, min, max, toppfunktioner och pulsl\u00e4ngd <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"650\"  height=\"363\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAooAAAFrAQMAAABsSjp1AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADRJREFUeNrtwQENAAAAwqD3T20PBxQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwIkBdbEAAaDoyx8AAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-2900 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 650px) 100vw, 650px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product4.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product4.jpg 650w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product4.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product4.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/kh-multimiter-product4.jpg?resize=550,307 550w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=30133004\" style=\"border-radius:2px\" target=\"_blank\" rel=\"noreferrer noopener\"><strong> Kop Nu <\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 id=\"fluke-289-sann-rms-industriell-multimeter-for-loggning-med-trendcapture-1kv\" class=\"wp-block-heading\" style=\"font-size:17px\"><strong>Fluke 289 sann RMS industriell multimeter f\u00f6r loggning med TrendCapture 1kV<\/strong><\/h3>\n\n\n\n<p>289 \u00e4r n\u00e4sta generations h\u00f6gpresterande industriella loggmultimeter, utvecklad f\u00f6r att hantera sv\u00e5ra problem inom elektronik, anl\u00e4ggningsautomation, kraftdistribution och elektromekanisk utrustning. Alla Fluke FC-utrustade testverktyg med tillvalet IR-anslutningen ir3000 FC \u00e4r kompatibla med Fluke Connect-mobilappen. TrendCapture visar grafiskt inf\u00e5ngade datasessioner s\u00e5 att du enkelt kan se om det finns n\u00e5gra oegentligheter.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"600\"  height=\"336\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAlgAAAFQAQMAAABZE5JvAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMCvAWPAAAF0SWEMAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-13553 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 600px) 100vw, 600px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/Fluke-289-7609213-02.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/Fluke-289-7609213-02.jpg 600w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/Fluke-289-7609213-02.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/Fluke-289-7609213-02.jpg?resize=380,213 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/Fluke-289-7609213-02.jpg?resize=550,308 550w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=17609213\" style=\"border-radius:2px\" target=\"_blank\" rel=\"noreferrer noopener\"><strong> Kop Nu <\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p style=\"font-size:17px\"><strong>RND 355-00011 &#8211; Digital auto-range-multimeter 1kV 5MHz 40MOhm, RND Lab<\/strong><\/p>\n\n\n\n<p>F\u00f6r att m\u00f6ta dina test- och m\u00e4tbehov, prova att anv\u00e4nda denna RND autor-ange-multimeter, ett alternativ f\u00f6r Sann RMS. Den \u00e4r \u00e4ven kompakt och handh\u00e5llen. Andra egenskaper: 4000 digital display, automatisk avst\u00e4ngning, NCV-funktion, data hold och EN61010-1 CAT IV 600V, CAT III 1000V.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-13536 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30165612-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30165612-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30165612-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30165612-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30165612-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30165612-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/01\/30165612-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=30165612\" style=\"border-radius:2px\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Kop Nu<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Digitala multimetrar \u00e4r utan tvekan de mest anv\u00e4nda m\u00e4tinstrumenten inom omr\u00e5dena elektroteknik och elektronik. P\u00e5 grund av deras&hellip;\n","protected":false},"author":21,"featured_media":14291,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[240,246,92,243],"tags":[849],"coauthors":[],"class_list":{"0":"post-8304","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-elektronik-sv","8":"category-rnd-sv","9":"category-stem","10":"category-underhall-reparation-och-drift","11":"tag-test-och-matinstrument","12":"cs-entry","13":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Att k\u00f6pa en b\u00e4rbar multimeter: en guide - KnowHow<\/title>\n<meta name=\"description\" content=\"En digital multimeter \u00e4r ett av de mest anv\u00e4nda m\u00e4tinstrumenten inom elektroteknik och elektronik. 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