{"id":7847,"date":"2022-05-18T07:00:00","date_gmt":"2022-05-18T07:00:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=7847"},"modified":"2022-05-12T10:43:32","modified_gmt":"2022-05-12T10:43:32","slug":"produktguide-steg-for-steg-guide-till-hur-du-valjer-ratt-oscilloskop","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/elektronik-sv\/produktguide-steg-for-steg-guide-till-hur-du-valjer-ratt-oscilloskop\/","title":{"rendered":"En komplett k\u00f6p- och anv\u00e4ndarguide f\u00f6r att v\u00e4lja r\u00e4tt oscilloskop"},"content":{"rendered":"\n<p>Med mer \u00e4n 500 tillg\u00e4ngliga\u00a0<a href=\"https:\/\/www.elfa.se\/search?q=oscilloscopes&amp;filter_categoryCodePathROOT=cat-L2D_527482\" target=\"_blank\" rel=\"noreferrer noopener\">oscilloskop<\/a>\u00a0i Elfa Distrelecs webbutik, kan det k\u00e4nnas \u00f6verv\u00e4ldigande att hitta r\u00e4tt produkt f\u00f6r ditt projekt. Den h\u00e4r artikeln v\u00e4gleder dig genom beslutsprocessen, fr\u00e5n urval till ink\u00f6p.<\/p>\n\n\n\n<p>Innan du k\u00f6per ett oscilloskop, speciellt om det \u00e4r f\u00f6rsta g\u00e5ngen, kanske du undrar hur ett oscilloskop anv\u00e4nds f\u00f6r att m\u00e4ta frekvens och sp\u00e4nning, hur oscilloskopprobar fungerar och hur det anv\u00e4nds steg f\u00f6r steg.<\/p>\n\n\n\n<p>Om du \u00e4r f\u00f6rstag\u00e5ngsk\u00f6pare, rekommenderar vi att du l\u00e4ser genomg\u00e5ngen \u00f6ver olika typer av oscilloskop nedan innan du l\u00e4ser igenom k\u00f6pguiden.<\/p>\n\n\n\n<p>Om du vill byta ut ditt oscilloskop eller redan vet exakt vad du vill ha, kan du hoppa direkt till v\u00e5ra produktrekommendationer.<\/p>\n\n\n\n<p>Med v\u00e5r guide tar vi dig igenom olika typer av oscilloskop s\u00e5 att du vet vad oscilloskop anv\u00e4nds till, och vilket som \u00e4r det b\u00e4sta oscilloskopet att k\u00f6pa.<\/p>\n\n\n\n<h2 id=\"genomgang-av-olika-typer-av-oscilloskop\" class=\"wp-block-heading\">Genomg\u00e5ng av olika typer av oscilloskop<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-29883 pk-lazyload\"  width=\"535\"  height=\"299\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 535px) 100vw, 535px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-5.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-5.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-5.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-5.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-5.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-5.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-03-5.jpg?resize=800,447 800w\" ><\/figure><\/div>\n\n\n\n<h3 id=\"dso-digital-storage-oscilloscope\" class=\"wp-block-heading\">DSO (Digital Storage Oscilloscope)<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.elfa.se\/search?q=DSO&amp;filter_categoryCodePathROOT=cat-L2D_527482\" target=\"_blank\" rel=\"noreferrer noopener\">DSO<\/a>\u00a0\u00e4r den vanligaste typen av oscilloskop. De har utvecklats fr\u00e5n analoga oscilloskop, men \u00e4ven om de fortfarande ser likadana ut, \u00e4r konstruktionen helt annorlunda. De transformerar den analoga signalen till en digital v\u00e5gform. Det inneb\u00e4r att kriterier som bandbredd, samplingsfrekvens och stigtid blir s\u00e5 viktiga vid valet av oscilloskop.<\/p>\n\n\n\n<p>Se de enast\u00e5ende egenskaperna hos detta RND digitala lagringsoscilloskop med peksk\u00e4rm.<\/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 360-00001 Touch Screen Digital Storage Oscilloscope\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/IxelcP7a7lc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><strong>RND peksk\u00e4rm-DSO-funktioner: <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>100 MHz bandbredd, 1 GS\/s samplingshastighet <\/li><li>40 M inspelningsl\u00e4ngd 45000 wfms\/s v\u00e5gformsuppdateringshastighet <\/li><li>8 tum 800 x 600 h\u00f6guppl\u00f6st LCD, tillval multi-touch-sk\u00e4rm <\/li><li>L\u00e5gt bakgrundsbrus <\/li><li>SCPI och LabVIEW-st\u00f6tt <\/li><li>multimeteralternativ <\/li><li>Multitrigg- och bussavkodningsfunktion <\/li><li>Multi-interface-integration &#8211; USB-v\u00e4rd, USB-enhet, USB-port f\u00f6r PictBridge, LAN, AUX och VGA<\/li><\/ul>\n\n\n\n<h3 id=\"mso-mdo-mixed-signal-mixed-domain-oscilloscope\" class=\"wp-block-heading\">MSO\/MDO (Mixed Signal, Mixed Domain Oscilloscope)<\/h3>\n\n\n\n<p>I ett&nbsp;<a href=\"https:\/\/www.elfa.se\/c\/cat-DNAV_PL_140907\" target=\"_blank\" rel=\"noreferrer noopener\">MSO-oscilloskop<\/a>&nbsp;kombineras ett DSO med en logikanalysator. Det har vanligtvis 2 till 4 analoga kanaler och mer \u00e4n 10 digitala kanaler. MDO-oscilloskop kan visa signaler i tids- och frekvensdom\u00e4nerna. Om du vill se digitala v\u00e5gformer, analoga synkroniserade v\u00e5gformer eller avkodade seriella protokoll, beh\u00f6ver du ett&nbsp;<a href=\"https:\/\/www.elfa.se\/c\/cat-DNAV_PL_140907\" target=\"_blank\" rel=\"noreferrer noopener\">MDO-oscilloskop<\/a>. Vanligtvis anv\u00e4nds 15 kanaler f\u00f6r fels\u00f6kning.<\/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-7794 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\/2021\/09\/kh-oscilloscopes-3.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-3.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"handhallna-oscilloskop\" class=\"wp-block-heading\">Handh\u00e5llna oscilloskop<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.elfa.se\/c\/cat-DNAV_PL_140904\" target=\"_blank\" rel=\"noreferrer noopener\">Handh\u00e5llna oscilloskop<\/a>&nbsp;\u00e4r anv\u00e4ndbara n\u00e4r du arbetar p\u00e5 f\u00e4ltet eller med tyngre maskiner. Du beh\u00f6ver inte stanna vid skrivbordet, utan kan ta med dig oscilloskopet till maskinen.<\/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-7801 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\/2021\/09\/kh-oscilloscopes-4.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-4.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"pc-oscilloskop\" class=\"wp-block-heading\">PC-oscilloskop<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.elfa.se\/c\/cat-DNAV_PL_140909\" target=\"_blank\" rel=\"noreferrer noopener\">PC-oscilloskop<\/a>&nbsp;ansluts till en station\u00e4r eller b\u00e4rbar dator. Lagringskapaciteten begr\u00e4nsas endast av lagringsutrymmet p\u00e5 din dator. Programvaran f\u00f6ljer oftast med oscilloskopet, men det kan \u00e4ven ha m\u00f6jlighet att k\u00f6ra andra program. Den h\u00e4r typen av enheter med h\u00f6g prestanda har oftast b\u00e4ttre funktioner \u00e4n DSO, men en del f\u00f6redrar att justera parametrar med ett vred vid sidan av sk\u00e4rmen i st\u00e4llet f\u00f6r att ange dem i den b\u00e4rbara datorn.<\/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-7808 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\/2021\/09\/kh-oscilloscopes-5.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-5.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"pc-oscilloskop-for-fordon\" class=\"wp-block-heading\">PC-oscilloskop f\u00f6r fordon<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.elfa.se\/c\/cat-DNAV_PL_140909\" target=\"_blank\" rel=\"noreferrer noopener\">Anv\u00e4nd ett PC-oscilloskop<\/a>&nbsp;f\u00f6r fordon f\u00f6r m\u00e4tningar av all elektronik i fordonet. Ofta \u00e4ndras signaler s\u00e5 snabbt att de inte kan m\u00e4tas med en multimeter.<\/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-7815 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\/2021\/09\/kh-oscilloscopes-6.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/kh-oscilloscopes-6.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<h3 id=\"analoga-oscilloskop\" class=\"wp-block-heading\">Analoga oscilloskop<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.elfa.se\/p\/17618309\" target=\"_blank\" rel=\"noreferrer noopener\">Analoga oscilloskop<\/a>&nbsp;f\u00f6ljer principen \u201ddu f\u00e5r det du ser\u201d. Du beh\u00f6ver inte t\u00e4nka p\u00e5 bandbredd och samplingsfrekvens. Om du anv\u00e4nder det vid arbete med ljud eller video kan ett bra analogt oscilloskop vara mer exakt \u00e4n ett DSO. Modulerade signaler visas b\u00e4ttre p\u00e5 ett analogt oscilloskop och digitala signaler h\u00e5ller bra kvalitet. Men om du arbetar med digitala signaler med h\u00f6ga datahastigheter n\u00e5r du begr\u00e4nsningarna hos analoga oscilloskop och kan beh\u00f6va ett DSO.<\/p>\n\n\n\n<h2 id=\"kop-ett-oscilloskop-i-tre-enkla-steg\" class=\"wp-block-heading\">K\u00f6p ett oscilloskop i tre enkla steg<\/h2>\n\n\n\n<p>Att k\u00f6pa ett oscilloskop kan k\u00e4nnas besv\u00e4rligt. Vi f\u00f6resl\u00e5r att du anv\u00e4nder en enkel procedur i tre steg f\u00f6r att hitta r\u00e4tt oscilloskop f\u00f6r jobbet. I det f\u00f6rsta steget definierar du hur det ska anv\u00e4ndas och dina specifikationer. I det andra steget till\u00e4mpar du 5\u00d7-regeln f\u00f6r att begr\u00e4nsa det stora produktutbudet. I det tredje steget j\u00e4mf\u00f6r du de produkter som \u00e5terst\u00e5r efter de kriterier du listat under anv\u00e4ndning och specifikationer i det f\u00f6rsta steget.<\/p>\n\n\n\n<h3 id=\"1-definiera-anvandningsomradet\" class=\"wp-block-heading\">1. Definiera anv\u00e4ndningsomr\u00e5det<\/h3>\n\n\n\n<p>T\u00e4nk efter hur du ska anv\u00e4nda oscilloskopet och g\u00f6r en lista med alla t\u00e4nkbara anv\u00e4ndningsomr\u00e5den. T\u00e4nk efter vart dina projekt \u00e4r p\u00e5 v\u00e4g och om det kan uppst\u00e5 andra anv\u00e4ndningsomr\u00e5den i framtiden.<\/p>\n\n\n\n<p>\u00d6verv\u00e4g f\u00f6ljande kriterier:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Ska det anv\u00e4ndas p\u00e5 en plats? Eller vore det anv\u00e4ndbart att enkelt kunna ta det med sig?<\/li><li>Hur m\u00e5nga ing\u00e5ngskanaler beh\u00f6ver du? Med 2\u20134 kanaler kan du visa och j\u00e4mf\u00f6ra signaltider f\u00f6r v\u00e5gformer. Men f\u00f6r fels\u00f6kning i ett digitalt system beh\u00f6ver du 8\u201316 kanaler.<\/li><li>Vilken registreringsl\u00e4ngd beh\u00f6ver du? En stabil sinusv\u00e5gsignal beh\u00f6ver bara cirka 500 punkter och ett enkelt oscilloskop kan lagra cirka 2 000 punkter. Men f\u00f6r att fels\u00f6ka tidsavvikelser i en komplex datastr\u00f6m kan du beh\u00f6va en registreringsl\u00e4ngd p\u00e5 1 miljon punkter.<\/li><li>Vilka navigerings- och analysverktyg vill du ha? Zoom och panorering, uppspelning och paus, markering samt enkel eller avancerade s\u00f6kning \u00e4r bara n\u00e5gra av de m\u00f6jliga funktionerna.<\/li><li>Vilka automatiserade v\u00e5gformsm\u00e4tningar anv\u00e4nder du?<\/li><li>Vill du ha m\u00f6jlighet att ansluta det till en dator? Beh\u00f6ver du n\u00e4tverks-, utskrifts och fildelningsfunktioner? M\u00e5ste det kunna anv\u00e4nda analysprogramvara fr\u00e5n tredje part? \u00c4r tillg\u00e5ng till internet ett krav?<\/li><\/ul>\n\n\n\n<h3 id=\"2-tillampa-5x-regeln\" class=\"wp-block-heading\">2. Till\u00e4mpa 5\u00d7-regeln<\/h3>\n\n\n\n<p>5\u00d7-regeln \u00e4r en tumregel f\u00f6r att definiera vilken bandbredd, stigtid och samplingsfrekvens du beh\u00f6ver. Beroende p\u00e5 anv\u00e4ndningsomr\u00e5de, kan du beh\u00f6va andra v\u00e4rden.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Bandbredd: Oscilloskopets och sondens sammanlagda bandbredd b\u00f6r vara minst 5 g\u00e5nger h\u00f6gre \u00e4n den maximala signalbandbredden f\u00f6r prestanda som \u00e4r b\u00e4ttre \u00e4n eller lika med +\/- 2 % m\u00e4tfel.<\/li><li>Stigtid: F\u00f6r stigtid anv\u00e4nder du f\u00f6ljande formel: stigtid &lt; 1\/5\u00d7 den h\u00f6gsta stigtiden f\u00f6r din signal. Ju h\u00f6gre stigtiden \u00e4r, desto mer exakta blir resultaten.<\/li><li>Samplingsfrekvens: Samplingsfrekvensen b\u00f6r vara minst 5 g\u00e5nger h\u00f6gre \u00e4n den h\u00f6gsta frekvensen i din krets. Ju h\u00f6gre samplingsfrekvensen \u00e4r, desto mindre information f\u00f6rlorar du. Om du ska titta p\u00e5 signaler som l\u00e5ngsamt \u00e4ndras \u00f6ver tid, \u00e4r en l\u00e5g samplingsfrekvens tillr\u00e4cklig. Med h\u00f6gre samplingsfrekvens fylls minnet snabbare och begr\u00e4nsar den tid du kan f\u00e5nga.<\/li><\/ul>\n\n\n\n<p>Filtrera de fastst\u00e4llda kriterierna p\u00e5 <a href=\"https:\/\/www.elfa.se\/sv\/maetteknik\/oscilloskop\/c\/cat-DNAV_1309\" target=\"_blank\" rel=\"noreferrer noopener\">Elfa Distrelecs<\/a> webbplats eller g\u00e5 direkt till <a href=\"https:\/\/www.elfa.se\/sv\/manufacturer\/rnd-lab\/man_rnl?q=*&amp;filter_Manufacturer=RND+Lab&amp;filter_Buyable=1&amp;filter_Manufacturer=RND%20Lab&amp;filter_categoryCodePathROOT=cat-L2D_527482\" target=\"_blank\" rel=\"noreferrer noopener\">RND Lab<\/a>.<\/p>\n\n\n\n<h3 id=\"3-ta-med-andra-kriterier\" class=\"wp-block-heading\">3. Ta med andra kriterier<\/h3>\n\n\n\n<p>Se n\u00e4rmare p\u00e5 de \u00e5terst\u00e5ende kriterier som du listade i det f\u00f6rsta steget. F\u00f6rs\u00f6k prioritera dem n\u00e4r du \u00f6verv\u00e4ger alternativen. L\u00e4s igenom specifikationerna f\u00f6r dina favoritprodukter noggrant, (t.ex. om samplingssystemet mellan kanalerna delas eller n\u00e4r det antal kanaler som startas reducerar samplingsfrekvensen). Gl\u00f6m inte att kontrollera om oscilloskopet kan anv\u00e4ndas p\u00e5 ditt spr\u00e5k och se till att du k\u00e4nner dig bekv\u00e4m med gr\u00e4nssnittet och anv\u00e4ndarhandboken.<\/p>\n\n\n\n<h2 id=\"produktrekommendationer\" class=\"wp-block-heading\">Produktrekommendationer<\/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><strong>Oscilloskop med peksk\u00e4rm och multimetertillval<\/strong><\/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-29900 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\/05\/30219800-01-6.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-6.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-6.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-6.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-6.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-6.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2022\/05\/30219800-01-6.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d 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=30219800\" target=\"_blank\" rel=\"noreferrer noopener\">Bestall Nu<\/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<p><strong>PicoScope 5444D<\/strong><\/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-7822 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\/2021\/09\/pico-picoscope-5444b.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/pico-picoscope-5444b.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.elfa.se\/p\/30101725\" target=\"_blank\" rel=\"noreferrer noopener\">Bestall Nu<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\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><strong>Tektronix TBS2074<\/strong><\/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-7829 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\/2021\/09\/Tektronix-TBS2074-30068202-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/Tektronix-TBS2074-30068202-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/Tektronix-TBS2074-30068202-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/Tektronix-TBS2074-30068202-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/Tektronix-TBS2074-30068202-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/Tektronix-TBS2074-30068202-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/Tektronix-TBS2074-30068202-01.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.elfa.se\/p\/30101725\" target=\"_blank\" rel=\"noreferrer noopener\"> Bestall Nu <\/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<p><strong>Rohde &amp; Schwarz RTM3K-104M<\/strong><\/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-7836 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\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/RohdeSchwarz-RTM3000-30101718-01.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.elfa.se\/p\/30101725\" target=\"_blank\" rel=\"noreferrer noopener\"> Bestall Nu <\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Med mer \u00e4n 500 tillg\u00e4ngliga\u00a0oscilloskop\u00a0i Elfa Distrelecs webbutik, kan det k\u00e4nnas \u00f6verv\u00e4ldigande att hitta r\u00e4tt produkt f\u00f6r ditt&hellip;\n","protected":false},"author":21,"featured_media":7778,"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":[240,246,247,243],"tags":[1579,1139],"coauthors":[],"class_list":{"0":"post-7847","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-utbildning","10":"category-underhall-reparation-och-drift","11":"tag-oscilloskop-sv","12":"tag-oscilloskop-2","13":"cs-entry","14":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>En komplett k\u00f6p- och anv\u00e4ndarguide f\u00f6r att v\u00e4lja r\u00e4tt oscilloskop - KnowHow<\/title>\n<meta name=\"description\" content=\"Att v\u00e4lja r\u00e4tt oscilloskop kan vara problematiskt \u00e4ven f\u00f6r vana anv\u00e4ndare. 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