{"id":62250,"date":"2022-12-22T17:09:07","date_gmt":"2022-12-22T15:09:07","guid":{"rendered":"https:\/\/stage.nordtec.se\/mittaustiedot-ja-teoria\/faktoja-ilman-nopeudesta\/"},"modified":"2026-10-19T09:37:19","modified_gmt":"2026-10-19T07:37:19","slug":"faktoja-ilman-nopeudesta","status":"publish","type":"page","link":"https:\/\/stage.nordtec.se\/fi\/mittaustiedot-ja-teoria\/faktoja-ilman-nopeudesta\/","title":{"rendered":"Faktoja ilman nopeudesta"},"content":{"rendered":"\n<div class=\"wp-block-stackable-subtitle stk-block-subtitle stk-block stk-2a53052 topptitel-kalibrering\" data-block-id=\"2a53052\"><style>.stk-2a53052 {max-width:900px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><p class=\"stk-block-subtitle__text stk-subtitle has-text-align-center\">TOSIASIAT <span style=\"color: #00d084;\" class=\"stk-highlight\">ILMAN NOPEUS<\/span><\/p><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-3fe0381\" data-block-id=\"3fe0381\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-3fe0381-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f79b30b\" data-v=\"4\" data-block-id=\"f79b30b\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f79b30b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f79b30b-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-d067bf6 fet-stor-rubrik\" id=\"fakta-om-lufthastighet-luftflode\" data-block-id=\"d067bf6\"><style>.stk-d067bf6 {max-width:900px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text has-text-align-center stk-block-heading--use-theme-margins\">Tietoa ilman nopeudesta \/ ilmavirrasta<\/h2><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-65f4fbe\" data-block-id=\"65f4fbe\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-65f4fbe-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e263332\" data-v=\"4\" data-block-id=\"e263332\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e263332-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e263332-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-c8e87d4\" data-block-id=\"c8e87d4\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-c8e87d4-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b591531\" data-v=\"4\" data-block-id=\"b591531\"><style>.stk-b591531-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b591531-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-b591531-inner-blocks\">\n<p class=\"has-text-align-center ingress wp-block-paragraph\">Tietoja ilman nopeudesta, ilmavirrasta, poisto- ja tuloilmasta, erityyppisten mittausten antureista ja k\u00e4yt\u00e4nn\u00f6n vinkkej\u00e4 mittauksista kanavissa, kanavien ja s\u00e4leikk\u00f6jen yli sek\u00e4 kanavamittausten tekemisest\u00e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/knowledgebase_measuring-parameter_Stromung_1000x427px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"427\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/knowledgebase_measuring-parameter_Stromung_1000x427px.jpg\" alt=\"\" class=\"wp-image-28332\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/knowledgebase_measuring-parameter_Stromung_1000x427px.jpg 1000w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/knowledgebase_measuring-parameter_Stromung_1000x427px-300x128.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/knowledgebase_measuring-parameter_Stromung_1000x427px-768x328.jpg 768w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/knowledgebase_measuring-parameter_Stromung_1000x427px-416x178.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/knowledgebase_measuring-parameter_Stromung_1000x427px-64x27.jpg 64w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ilman nopeus<\/strong> on ilman nopeus kiinte\u00e4n pisteen, kuten anturin, yli. Se ilmaistaan yleens\u00e4 yksikk\u00f6n\u00e4 m\/s (t\u00e4st\u00e4 huolimatta mittalaitteita kutsutaan yleens\u00e4 ilmavirtamittareiksi, koska l\u00e4hes aina halutaan mitata ilmavirtaa).  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ilmavirta <\/strong>on kiinte\u00e4 ilmam\u00e4\u00e4r\u00e4 (tilavuus), joka kulkee tietyn pisteen ohi tietyn ajanjakson aikana, ja se ilmaistaan tavallisesti l\/s tai m\u00b3\/h.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-1884b43\" id=\"givare-for-matning-av-lufthastighet\" data-block-id=\"1884b43\"><style>.stk-1884b43 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Anturi ilman nopeuden mittaamiseen.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-18801b0\" id=\"varmtradsgivare\" data-block-id=\"18801b0\"><style>.stk-18801b0 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><h3 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Kuumalanka-anturit.<\/h3><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-dd9f494\" data-block-id=\"dd9f494\"><style>.stk-dd9f494 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-dd9f494-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-c14cc34\" data-v=\"4\" data-block-id=\"c14cc34\"><style>.stk-c14cc34-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-c14cc34-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-c14cc34-inner-blocks\">\n<p class=\"wp-block-paragraph\">Kuumalanka-antureiden periaate perustuu l\u00e4mmitettyyn elementtiin, josta l\u00e4mp\u00f6 johdetaan pois kylmemm\u00e4n ilmavirran avulla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e4mp\u00f6tila pidet\u00e4\u00e4n vakiona s\u00e4\u00e4t\u00f6piirin avulla. S\u00e4\u00e4t\u00f6virta on suoraan verrannollinen ilman nopeuteen. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kun kuumalanka-antureita k\u00e4ytet\u00e4\u00e4n turbulenttisissa virtauksissa, l\u00e4mmitettyyn elementtiin kohdistuu vaikutuksia useista eri suunnista, mik\u00e4 voi vaikuttaa mittaustulokseen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e4m\u00e4 voidaan v\u00e4ltt\u00e4\u00e4 suurelta osin varmistamalla, ett\u00e4 kanavassa on riitt\u00e4v\u00e4n pitk\u00e4 suora osuus ennen ja j\u00e4lkeen mittauspisteen.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f68ba0f\" data-v=\"4\" data-block-id=\"f68ba0f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f68ba0f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f68ba0f-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/givare_och_luftflodespilar.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"492\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/givare_och_luftflodespilar.jpg\" alt=\"Ilman nopeusanturit ja ilman sy&#xF6;tt&#xF6;nuolet\" class=\"wp-image-27493\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/givare_och_luftflodespilar.jpg 800w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/givare_och_luftflodespilar-300x185.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/givare_och_luftflodespilar-768x472.jpg 768w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/givare_och_luftflodespilar-416x256.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/givare_och_luftflodespilar-64x39.jpg 64w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-9361748 avdelare\" data-block-id=\"9361748\"><style>.stk-9361748 hr.stk-block-divider__hr{width:100% !important;}.stk-9361748 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-5037e96\" id=\"pitotror-prandtlror\" data-block-id=\"5037e96\"><style>.stk-5037e96 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Pitot-putket (prandtl-putket).<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-1a7ac15\" data-block-id=\"1a7ac15\"><style>.stk-1a7ac15 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-1a7ac15-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b691fcd\" data-v=\"4\" data-block-id=\"b691fcd\"><style>.stk-b691fcd-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b691fcd-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-b691fcd-inner-blocks\">\n<p class=\"wp-block-paragraph\">Pitot-putken etummaiseen aukkoon kohdistuu kokonaispaine (dynaaminen + staattinen paine) kanavassa, ja se johdetaan pisteeseen a, joka on liitetty diff-paineen mittauslaitteen tai -anturin plusnippaan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Staattinen paine otetaan vastaan pitot-putken sivuaukkojen kautta ja ohjataan pisteeseen b, joka on kytketty laitteen negatiiviseen n\u00e4nniin. Tuloksena saatu diff-paine on suoraan verrannollinen ilman nopeuteen kanavassa, ja se muunnetaan alla olevan kaavan mukaisesti. <\/p>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-6588aaf\" data-block-id=\"6588aaf\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6588aaf-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a50d102\" data-v=\"4\" data-block-id=\"a50d102\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a50d102-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a50d102-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotrors-formel_300px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"130\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotrors-formel_300px.jpg\" alt=\"Ilman nopeuden pitot-putken kaava\" class=\"wp-image-27496\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotrors-formel_300px.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotrors-formel_300px-64x28.jpg 64w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3590ac0\" data-v=\"4\" data-block-id=\"3590ac0\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3590ac0-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3590ac0-inner-blocks\">\n<p class=\"wp-block-paragraph\">v = ilman nopeus m\/s<br\/>s = Pitot-putken kerroin<br\/>r = ilman tiheys kg\/m3<br\/>p = paine-ero Pascalina<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HUOMIO!<\/strong>  Ilmankosteus ja absoluuttinen paine vaikuttavat yleens\u00e4 vain v\u00e4h\u00e4n ilman tiheyteen. L\u00e4mp\u00f6tila voi kuitenkin vaikuttaa merkitt\u00e4v\u00e4sti, jos se poikkeaa suuresti huoneen l\u00e4mp\u00f6tilasta. <\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-62bd36a\" data-v=\"4\" data-block-id=\"62bd36a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-62bd36a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-62bd36a-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotror_text_600px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"800\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotror_text_600px.jpg\" alt=\"Ilman nopeus Pitot-putken paine\" class=\"wp-image-27495\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotror_text_600px.jpg 600w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotror_text_600px-225x300.jpg 225w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotror_text_600px-416x555.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/pitotror_text_600px-64x85.jpg 64w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-e7ce8f9 avdelare\" id=\"pitotror-prandtlror\" data-block-id=\"e7ce8f9\"><style>.stk-e7ce8f9 hr.stk-block-divider__hr{width:100% !important;}.stk-e7ce8f9 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-6c8ba95\" id=\"vinghjulsgivare\" data-block-id=\"6c8ba95\"><style>.stk-6c8ba95 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Vauhtipy\u00f6r\u00e4n anturi.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-8a9c53a\" id=\"pitotror-prandtlror\" data-block-id=\"8a9c53a\"><style>.stk-8a9c53a {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8a9c53a-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ba3fb23\" data-v=\"4\" data-block-id=\"ba3fb23\"><style>.stk-ba3fb23-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ba3fb23-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ba3fb23-inner-blocks\">\n<p class=\"wp-block-paragraph\">Siipipy\u00f6r\u00e4anturien mittausperiaate perustuu py\u00f6rimisliikkeen muuntamiseen s\u00e4hk\u00f6isiksi signaaleiksi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Virtausaine saa juoksupy\u00f6r\u00e4n py\u00f6rim\u00e4\u00e4n. Induktiivinen rajakytkin &#8221;laskee&#8221; juoksupy\u00f6r\u00e4n kierrokset ja tuottaa pulssisarjan, joka muunnetaan mittauslaitteessa nopeusarvoksi (yleens\u00e4 m\/s). <\/p>\n\n\n\n<ul class=\"wp-block-list\" data-block-type=\"core\">\n<li data-block-type=\"core\">Halkaisijaltaan suuret juoksupy\u00f6r\u00e4anturit (\u00f8 60 mm ja \u00f8 100 mm) soveltuvat turbulenttisten virtausten mittaamiseen (esim. ilmanvaihtos\u00e4leik\u00f6iss\u00e4) pienemmill\u00e4 tai keskinopeuksilla.<\/li>\n\n\n\n<li data-block-type=\"core\">Pienet halkaisijat soveltuvat paremmin mittauksiin kanavissa, joiden poikkipinta-alan on oltava 10 kertaa suurempi kuin anturin halkaisija.<\/li>\n\n\n\n<li data-block-type=\"core\">Halkaisijaltaan 16 mm:n kenno on osoittautunut eritt\u00e4in monipuoliseksi. Se on riitt\u00e4v\u00e4n suuri, jotta sill\u00e4 on hyv\u00e4t k\u00e4ynnistysominaisuudet, ja riitt\u00e4v\u00e4n pieni, jotta se pystyy k\u00e4sittelem\u00e4\u00e4n jopa 50 m\/s:n nopeuksia.  <\/li>\n<\/ul>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-8b7dae2\" data-v=\"4\" data-block-id=\"8b7dae2\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-8b7dae2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-8b7dae2-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/2-olika-vinghjul_600px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"578\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/2-olika-vinghjul_600px.jpg\" alt=\"Ilman nopeus 2 eri juoksupy&#xF6;r&#xE4;&#xE4;\" class=\"wp-image-27499\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/2-olika-vinghjul_600px.jpg 600w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/2-olika-vinghjul_600px-300x289.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/2-olika-vinghjul_600px-416x401.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/2-olika-vinghjul_600px-64x62.jpg 64w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-479c3ac avdelare\" data-block-id=\"479c3ac\"><style>.stk-479c3ac hr.stk-block-divider__hr{width:100% !important;}.stk-479c3ac {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-8bf1c45\" id=\"span-style-color-var-stk-global-color-74992-dc-0514-class-stk-highlight-viktigt-span-givarnas-placering-i-luftstrommen\" data-block-id=\"8bf1c45\"><style>.stk-8bf1c45 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\"><span style=\"color: var(--stk-global-color-74992, #dc0514);\" class=\"stk-highlight\">T\u00e4rke\u00e4\u00e4!  <\/span>Antureiden sijainti ilmavirrassa.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-90d1228\" id=\"pitotror-prandtlror\" data-block-id=\"90d1228\"><style>.stk-90d1228 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-90d1228-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a55a1c2\" data-v=\"4\" data-block-id=\"a55a1c2\"><style>.stk-a55a1c2-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a55a1c2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a55a1c2-inner-blocks\">\n<p class=\"wp-block-paragraph\">Kaikkien anturityyppien &#8211; kuumalanka-anturin, siipipy\u00f6r\u00e4n ja pitot-putken &#8211; osalta on eritt\u00e4in t\u00e4rke\u00e4\u00e4, ett\u00e4 ne on suunnattu suoraan ilmavirtaa kohti. K\u00e4\u00e4nn\u00e4 anturia siksi, kunnes mittauslaite n\u00e4ytt\u00e4\u00e4 enimm\u00e4isarvon. Vasta sitten voidaan lukea mittausarvo. Oikea kulma ilmavirtaan n\u00e4hden on erityisen t\u00e4rke\u00e4\u00e4 mitattaessa pitot-putkilla.   <\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3ddee88\" data-v=\"4\" data-block-id=\"3ddee88\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3ddee88-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3ddee88-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/vinghjul-riktning_600px_kortare.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"523\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/vinghjul-riktning_600px_kortare.jpg\" alt=\"Ilman nopeus siiven py&#xF6;r&#xE4;n suunta\" class=\"wp-image-27498\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/vinghjul-riktning_600px_kortare.jpg 600w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/vinghjul-riktning_600px_kortare-300x262.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/vinghjul-riktning_600px_kortare-416x363.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/vinghjul-riktning_600px_kortare-64x56.jpg 64w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-dade8a5 avdelare\" data-block-id=\"dade8a5\"><style>.stk-dade8a5 hr.stk-block-divider__hr{width:100% !important;}.stk-dade8a5 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-f84e858\" id=\"luftflodesmatning\" data-block-id=\"f84e858\"><style>.stk-f84e858 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-bottom:25px !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Ilmavirran mittaus.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-c5d590f\" data-block-id=\"c5d590f\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-c5d590f-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0784fc4\" data-v=\"4\" data-block-id=\"0784fc4\"><style>.stk-0784fc4-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0784fc4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0784fc4-inner-blocks\">\n<p class=\"wp-block-paragraph\">Ilmanvaihtokanavan l\u00e4pi tai diffuusorista tai s\u00e4leik\u00f6st\u00e4 ulos tai sis\u00e4\u00e4n kulkevan ilmam\u00e4\u00e4r\u00e4n (l\/s tai m\u00b3\/h) m\u00e4\u00e4ritt\u00e4miseksi on olemassa useita menetelmi\u00e4. Kanavamittauksissa k\u00e4ytet\u00e4\u00e4n tavallisimmin kuumalanka-, pitot-putki- tai siipipy\u00f6r\u00e4antureita, jos kiinteit\u00e4 mittauslaitteita ei ole k\u00e4ytett\u00e4viss\u00e4. Poistoilmahajottimissa k\u00e4ytet\u00e4\u00e4n yleens\u00e4 kannua, jonka kapeaan osaan on asennettu anturi. Tuloilmas\u00e4leik\u00f6iden mittaamiseen tarvitaan erityinen tuloilmas\u00e4leikk\u00f6, jossa on suuret aukot kummallakin puolella, osittain siksi, ett\u00e4 se kattaa s\u00e4leik\u00f6n koko pinnan, ja osittain siksi, ett\u00e4 ilmanvaihtoj\u00e4rjestelm\u00e4\u00e4n ei synny liian suurta paineh\u00e4vi\u00f6t\u00e4.   <br\/><\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-540357f avdelare\" id=\"noggrannhet\" data-block-id=\"540357f\"><style>.stk-540357f hr.stk-block-divider__hr{width:100% !important;}.stk-540357f {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-5c40cb7\" id=\"matning-i-kanal\" data-block-id=\"5c40cb7\"><style>.stk-5c40cb7 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Mittaus kanavassa.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-536345c\" id=\"vinghjulsgivare\" data-block-id=\"536345c\"><style>.stk-536345c {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-536345c-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f9f4c6f\" data-v=\"4\" data-block-id=\"f9f4c6f\"><style>.stk-f9f4c6f-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f9f4c6f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f9f4c6f-inner-blocks\">\n<p class=\"wp-block-paragraph\">Jos mahdollista, mittaus olisi teht\u00e4v\u00e4 kanavan suorasta osasta. Suoran kanavap\u00e4tk\u00e4n on oltava v\u00e4hint\u00e4\u00e4n viisi kertaa kanavan sis\u00e4halkaisijan pituinen ennen mittauspistett\u00e4 ja kaksi kertaa sen j\u00e4lkeen. Virtausprofiilia ei saa h\u00e4irit\u00e4 mill\u00e4\u00e4n tavalla l\u00e4pivienneill\u00e4, kaltevilla osuuksilla, kulmilla jne. Koska ilmavirtaus on erilainen kanavan poikkileikkauksen eri osissa, mittaukset on teht\u00e4v\u00e4 useista eri kohdista ja niist\u00e4 on laskettava keskiarvo ennen tilavuusvirraksi muuntamista. Huomaa my\u00f6s, ett\u00e4 anturin halkaisija ei saisi olla suurempi kuin kanavan halkaisija 1:30, jotta anturin vaikutus ilmavirtaan olisi mahdollisimman pieni.    <\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-453c902\" data-v=\"4\" data-block-id=\"453c902\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-453c902-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-453c902-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/kanalmatning-3-600px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"239\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/kanalmatning-3-600px.jpg\" alt=\"Ilman nopeuden kanavamittaus\" class=\"wp-image-27494\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/kanalmatning-3-600px.jpg 600w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/kanalmatning-3-600px-300x120.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/kanalmatning-3-600px-416x166.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/kanalmatning-3-600px-64x25.jpg 64w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-f07f791 avdelare\" id=\"noggrannhet\" data-block-id=\"f07f791\"><style>.stk-f07f791 hr.stk-block-divider__hr{width:100% !important;}.stk-f07f791 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-792c89b\" id=\"matning-over-don-och-galler\" data-block-id=\"792c89b\"><style>.stk-792c89b {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-bottom:25px !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Mittaaminen l\u00e4ppien ja ristikoiden yli.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-fb10326\" id=\"vinghjulsgivare\" data-block-id=\"fb10326\"><style>.stk-fb10326 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-fb10326-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d84b5b7\" data-v=\"4\" data-block-id=\"d84b5b7\"><style>.stk-d84b5b7-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (min-width: 768px){.stk-d84b5b7 {flex:var(--stk-flex-grow, 1) 1 calc(50.5% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d84b5b7-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-d84b5b7-inner-blocks\">\n<p class=\"wp-block-paragraph\">Useimmissa diffuusoreissa ja s\u00e4leik\u00f6iss\u00e4 on nyky\u00e4\u00e4n kiinte\u00e4t mittausaukot, joissa ilmavirta voidaan laskea paineen mittauksen avulla. Jos n\u00e4it\u00e4 ei ole saatavilla tai jos suuttimen spesifikaatioita on vaikea l\u00f6yt\u00e4\u00e4, tarvitaan mittausta erityyppisill\u00e4 suuttimilla. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Poistoilman tuloaukot: <\/strong>ilmavirta mitataan tuloaukon yli poistoilmasuuttimen ja ilman nopeuden mittauslaitteen yhdistelm\u00e4ll\u00e4. Ilmavirta lasketaan laitteessa ty\u00f6nt\u00f6voimakertoimen avulla. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tuloilmasuutin: <\/strong>vaatii erikoissuuttimen, jolla on tietty pituus ja suuret aukot, jotka minimoivat paineh\u00e4vi\u00f6n ja turbulenssin vaikutuksen mittaukseen. Mittaustulos ilmoitetaan suoraan l\/s tai m\u00b3\/h. <\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-10bbafe\" data-v=\"4\" data-block-id=\"10bbafe\"><style>@media screen and (min-width: 768px){.stk-10bbafe {flex:var(--stk-flex-grow, 1) 1 calc(49.5% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-10bbafe-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-10bbafe-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-6d21303\" data-block-id=\"6d21303\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6d21303-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-59df406\" data-v=\"4\" data-block-id=\"59df406\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-59df406-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-59df406-inner-blocks\">\n<figure class=\"wp-block-image size-full is-resized\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/stosmatning_300px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"236\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/stosmatning_300px.jpg\" alt=\"Ilman nopeuden vaikutuksen mittaus\" class=\"wp-image-27497\" style=\"width:208px;height:163px\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/stosmatning_300px.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/stosmatning_300px-64x50.jpg 64w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/420-stos_300px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"421\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/420-stos_300px.jpg\" alt=\"Ilmanopeus testo 420 stos\" class=\"wp-image-27500\" style=\"width:235px;height:329px\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/420-stos_300px.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/420-stos_300px-214x300.jpg 214w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/420-stos_300px-64x90.jpg 64w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-17f857b avdelare\" id=\"noggrannhet\" data-block-id=\"17f857b\"><style>.stk-17f857b hr.stk-block-divider__hr{width:100% !important;}.stk-17f857b {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-962c435\" id=\"referensdonsmatning\" data-block-id=\"962c435\"><style>.stk-962c435 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-bottom:25px !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Vertailuannoksen mittaus.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-7bc3877\" id=\"vinghjulsgivare\" data-block-id=\"7bc3877\"><style>.stk-7bc3877 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-7bc3877-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-272bf42\" data-v=\"4\" data-block-id=\"272bf42\"><style>.stk-272bf42-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-272bf42-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-272bf42-inner-blocks\">\n<p class=\"wp-block-paragraph\">Hieman suurempia ilmanvaihtoj\u00e4rjestelmi\u00e4 s\u00e4\u00e4dett\u00e4ess\u00e4 on tarpeen valvoa j\u00e4rjestelm\u00e4n kaukaisessa p\u00e4\u00e4ss\u00e4 olevaa anturia, niin sanottua vertailuanturia. Aiemmin tarvittiin henkil\u00f6, joka valvoi t\u00e4t\u00e4 anturia ja ilmoitti sen lukemat s\u00e4\u00e4t\u00e4j\u00e4lle. Nyt on olemassa nykyaikaista tekniikkaa, joka valvoo jatkuvasti vertailulaitetta ja v\u00e4litt\u00e4\u00e4 lukemat s\u00e4\u00e4t\u00f6laitteelle mobiiliverkon ja sovellusten kautta, jotka toimittavat r\u00e4\u00e4t\u00e4l\u00f6ityj\u00e4 tietoja.  <\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-54cb1ff\" data-v=\"4\" data-block-id=\"54cb1ff\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-54cb1ff-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-54cb1ff-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/celsivent_600px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"345\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/celsivent_600px.jpg\" alt=\"Ilmanopeus Celcival\" class=\"wp-image-27491\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/celsivent_600px.jpg 600w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/celsivent_600px-300x173.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/celsivent_600px-416x239.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/celsivent_600px-64x37.jpg 64w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-c2deea5 avdelare\" id=\"noggrannhet\" data-block-id=\"c2deea5\"><style>.stk-c2deea5 hr.stk-block-divider__hr{width:100% !important;}.stk-c2deea5 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-f4f57cd\" id=\"svensk-standard-ss-en-16211-2024\" data-block-id=\"f4f57cd\"><style>.stk-f4f57cd {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-bottom:25px !important;margin-left:auto !important;}<\/style><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Ruotsalainen standardi SS-EN 16211:2024.<\/h2><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-1535773\" id=\"referensdonsmatning\" data-block-id=\"1535773\"><style>.stk-1535773 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-1535773-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e093a05\" data-v=\"4\" data-block-id=\"e093a05\"><style>.stk-e093a05-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e093a05-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e093a05-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-4b5b14b\" id=\"luftbehandling-faltmetoder-for-matning-av-luftfloden\" data-block-id=\"4b5b14b\"><h3 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Ilmank\u00e4sittely &#8211; Kentt\u00e4menetelm\u00e4t ilmavirran mittaamiseksi<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e4ss\u00e4 julkaisussa kuvataan ilmavirtojen mittausstandardit ja -menetelm\u00e4t. Se kattaa my\u00f6s edell\u00e4 kuvattuja yksityiskohtia ja menetelmi\u00e4 enemm\u00e4n. Sit\u00e4 voi tilata SIS:st\u00e4, Ruotsin standardointilaitoksesta tai Svensk Byggtj\u00e4nstist\u00e4.  <\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-96ac0e9\" data-v=\"4\" data-block-id=\"96ac0e9\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-96ac0e9-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-96ac0e9-inner-blocks\">\n<figure class=\"wp-block-image size-full\" data-block-type=\"core\"><a href=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/eu-standard_600px.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"350\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/eu-standard_600px.jpg\" alt=\"Ilman nopeus EN 16211:2015 eu-standardi\" class=\"wp-image-27492\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/eu-standard_600px.jpg 600w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/eu-standard_600px-300x175.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/eu-standard_600px-416x243.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/12\/eu-standard_600px-64x37.jpg 64w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-ecb23e1\" data-block-id=\"ecb23e1\"><style>.stk-ecb23e1 hr.stk-block-divider__hr{width:100% !important;}.stk-ecb23e1 {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-30a1e5b\" data-block-id=\"30a1e5b\"><style>.stk-30a1e5b {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-30a1e5b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1934b46\" data-v=\"4\" data-block-id=\"1934b46\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1934b46-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1934b46-inner-blocks\">\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-5e6f639\" data-block-id=\"5e6f639\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-5e6f639-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-9cc3369\" data-v=\"4\" data-block-id=\"9cc3369\"><style>.stk-9cc3369-container{max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-9cc3369-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-9cc3369-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-0f86c34\" id=\"exempel-pa-luftflodesmatare-fran-nordtec\" data-block-id=\"0f86c34\"><h2 class=\"stk-block-heading__text stk-block-heading--use-theme-margins\">Esimerkki Nordtecin ilmavirtamittarista.<\/h2><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-bc4a63c produktforslag\" data-block-id=\"bc4a63c\"><style>.stk-bc4a63c {max-width:800px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-bc4a63c-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7ce8959\" data-v=\"4\" data-block-id=\"7ce8959\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7ce8959-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7ce8959-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-8ff5f70\" data-block-id=\"8ff5f70\"><style>.stk-8ff5f70 .stk-img-wrapper{height:135px !important;}.stk-8ff5f70 .stk-img-wrapper img{object-position:34% 65% !important;}@media screen and (max-width: 1023px){.stk-8ff5f70 .stk-img-wrapper{width:100% !important;height:171px !important;}}@media screen and (max-width: 767px){.stk-8ff5f70 .stk-img-wrapper{width:100% !important;height:200px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-17018\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px.jpg\" width=\"800\" height=\"800\" alt=\"testo 440 CO2-mittaussarja - 0563 4405 - Ymp&#xE4;rist&#xF6; 3\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px.jpg 800w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px-300x300.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px-150x150.jpg 150w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px-768x768.jpg 768w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px-324x324.jpg 324w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px-416x416.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px-100x100.jpg 100w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/testo-400-0632-1551-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-EN_800px-64x64.jpg 64w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/span><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\" class=\"stk-highlight\"><strong>K\u00e4siv\u00e4line<\/strong><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Testolla on laaja valikoima kannettavia k\u00e4silaitteita ilman nopeuden ja ilmavirran mittaamiseen. Lis\u00e4ksi laaja valikoima antureita ja lis\u00e4varusteita l\u00e4hes kaikkiin mahdollisiin sovelluksiin. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"\/fi\/tuotteita\/mittari\/ilmanvaihdon-mittarit\/ilmamaaramittarit\/\">Katso valikoima<\/a><\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7da6708\" data-v=\"4\" data-block-id=\"7da6708\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7da6708-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7da6708-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-fd68cff\" data-block-id=\"fd68cff\"><style>.stk-fd68cff {align-items:center !important;display:flex !important;}.stk-fd68cff .stk-img-wrapper{width:100% !important;height:135px !important;}.stk-fd68cff .stk-img-wrapper img{object-position:77% 40% !important;}@media screen and (max-width: 1023px){.stk-fd68cff .stk-img-wrapper{width:100% !important;height:171px !important;}}@media screen and (max-width: 767px){.stk-fd68cff .stk-img-wrapper{width:100% !important;height:200px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-21970\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px.jpg\" width=\"800\" height=\"800\" alt=\"0554 4209 testo 420 jalusta 3\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px.jpg 800w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px-300x300.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px-150x150.jpg 150w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px-768x768.jpg 768w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px-324x324.jpg 324w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px-416x416.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px-100x100.jpg 100w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2022\/03\/0554-4209-testo-420_p_ap_vel_005610_DE_RETOUCH_800px-64x64.jpg 64w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/span><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"color: #000000;\" class=\"stk-highlight\">Stosar<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\" class=\"stk-highlight\">Poistoilman mittaukseen tarkoitettujen pienempien antureiden lis\u00e4ksi on my\u00f6s testo 420, jota voidaan k\u00e4ytt\u00e4\u00e4 sek\u00e4 tulo- ett\u00e4 poistoilman mittaukseen. Ilmavirran tasasuuntaajat tuottavat tarkat mittaustulokset. <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"\/fi\/tuote\/mittari\/ilmanvaihdon-mittarit\/ilmamaaramittarit\/testo-420-ilmavirta-suppilo-virtauksen-tasaajalla\/\">Lue lis\u00e4\u00e4 testo 420:sta<\/a><\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2903c0f\" data-v=\"4\" data-block-id=\"2903c0f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2903c0f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2903c0f-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-82e2171\" data-block-id=\"82e2171\"><style>.stk-82e2171 .stk-img-wrapper{width:100% !important;height:135px !important;}@media screen and (max-width: 1023px){.stk-82e2171 .stk-img-wrapper{width:100% !important;height:171px !important;}}@media screen and (max-width: 767px){.stk-82e2171 .stk-img-wrapper{width:100% !important;height:200px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-55562\" src=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2024\/10\/Celsicom-V600-NZ5A9479_800x450px.jpg\" width=\"800\" height=\"450\" alt=\"0170 4000 CelsiVent Reference -virtausmittari\" srcset=\"https:\/\/stage.nordtec.se\/wp-content\/uploads\/2024\/10\/Celsicom-V600-NZ5A9479_800x450px.jpg 800w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2024\/10\/Celsicom-V600-NZ5A9479_800x450px-300x169.jpg 300w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2024\/10\/Celsicom-V600-NZ5A9479_800x450px-768x432.jpg 768w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2024\/10\/Celsicom-V600-NZ5A9479_800x450px-50x28.jpg 50w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2024\/10\/Celsicom-V600-NZ5A9479_800x450px-416x234.jpg 416w, https:\/\/stage.nordtec.se\/wp-content\/uploads\/2024\/10\/Celsicom-V600-NZ5A9479_800x450px-64x36.jpg 64w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/span><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span style=\"color: #000000;\" class=\"stk-highlight\">Viite\u00e4\u00e4nitasomittari ilmanvaihdon s\u00e4\u00e4t\u00f6\u00e4 varten<\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: #000000;\" class=\"stk-highlight\">Liitetty, luotettava mittaus. Mittausarvot p\u00e4ivittyv\u00e4t sekunneissa. Ilmanvaihdon s\u00e4\u00e4t\u00e4minen ei ole t\u00e4m\u00e4n helpompaa.  <\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/stage.nordtec.se\/fi\/viimeisimmat-uutiset\/celsicom-v600\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lue lis\u00e4\u00e4 Celsicom V600:sta<\/a><\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tietoja ilman nopeudesta, ilmavirrasta, poisto- ja tuloilmasta, erityyppisten mittausten antureista ja k\u00e4yt\u00e4nn\u00f6n vinkkej\u00e4 mittauksista kanavissa, kanavien ja s\u00e4leikk\u00f6jen yli sek\u00e4 kanavamittausten tekemisest\u00e4.<\/p>\n","protected":false},"author":1,"featured_media":62251,"parent":62158,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"class_list":["post-62250","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Faktoja ilman nopeudesta | Nordtec<\/title>\n<meta name=\"description\" content=\"Saat tietoa ilman nopeudesta ja ilmavirrasta k\u00e4yt\u00e4nn\u00f6n neuvojen avulla eri antureiden mittaamisesta ja k\u00e4yt\u00f6st\u00e4.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta 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