{"id":4504,"date":"2022-08-30T09:45:44","date_gmt":"2022-08-30T09:45:44","guid":{"rendered":"https:\/\/sensor-online.se\/?p=4504"},"modified":"2026-03-29T10:38:30","modified_gmt":"2026-03-29T10:38:30","slug":"iot-overvakning-brunnar-ledningar-under-mark","status":"publish","type":"post","link":"https:\/\/sensor-online.se\/sv\/iot-overvakning-brunnar-ledningar-under-mark\/","title":{"rendered":"IoT-\u00f6vervakning under mark \u2013 sensorer i brunnar, tunnlar och r\u00f6rledningar"},"content":{"rendered":"<h2>Under mark \u2013 d\u00e4r \u00f6vervakning g\u00f6r st\u00f6rst skillnad<\/h2>\n<p>Ledningar och brunnar under mark tillh\u00f6r de sv\u00e5r\u00f6vervakade milj\u00f6erna \u2013 de \u00e4r d\u00e4r vi s\u00e4llan kollar f\u00f6rr\u00e4n n\u00e5got g\u00e5tt snett. Med LoRaWAN-sensorer monterade under brunnslock och i tunnlar kan Sensor-Online ge dig kontinuerlig data om vad som faktiskt h\u00e4nder under jord \u2013 och larma dig om n\u00e5got avviker f\u00f6rr\u00e4n skadan sker.<\/p>\n<h2>Vad kan m\u00e4tas under mark?<\/h2>\n<ul>\n<li><strong>Vattenniv\u00e5<\/strong> \u2013 i brunnar, dagvattenbr\u00e4ddar och pumpstationer, med larm vid h\u00f6g niv\u00e5 som indikerar blockering eller kraftigt regn<\/li>\n<li><strong>Fl\u00f6de<\/strong> \u2013 via ultraljuds- eller elektromagnetiska fl\u00f6desm\u00e4tare i spillvatten- och dagvattenledningar<\/li>\n<li><strong>Gaskoncentration<\/strong> \u2013 v\u00e4tyl\u00e4gas (H\u2082S), methan (CH\u2084) och koloxid (CO) i slutna utrymmen som pumpgropar och tunnlar<\/li>\n<li><strong>Temperatur<\/strong> \u2013 f\u00f6r att identifiera l\u00e4ckage fr\u00e5n varmledningar och frostrisker i grunt liggande ledningar<\/li>\n<li><strong>Tryck<\/strong> \u2013 i tryckledningar och pumpstationer f\u00f6r att detektera l\u00e4ckage och \u00f6vertryck<\/li>\n<\/ul>\n<h2>LoRaWAN-t\u00e4ckning under mark<\/h2>\n<p>En vanlig fr\u00e5ga \u00e4r om LoRaWAN-signalen n\u00e5r ner i brunnar. Svaret beror p\u00e5 brunnens djup och lock-material. M\u00e5nga betong- och plastlock sl\u00e4pper igenom tillr\u00e4cklig signal f\u00f6r p\u00e5litlig kommunikation \u2013 s\u00e4rskilt med gateways placerade n\u00e4rh\u00f6gena p\u00e5 tak eller stolpar.<\/p>\n<p>F\u00f6r djupare brunnar eller metalllock finns l\u00f6sningar med externa antenner som monteras l\u00e8ne f\u00f6r sig med kabel ner till sensorn \u2013 antennen placeras precis under locket d\u00e4r signalgen\u00f6mskedjan \u00e4r bra.<\/p>\n<h2>Typiska VA-installationer med Sensor-Online<\/h2>\n<p>Kommunala VA-verksamheter anv\u00e4nder Sensor-Online f\u00f6r att \u00f6vervaka n\u00e4tverket av pumpstationer och brunnar. En typisk installation inkluderar:<\/p>\n<ul>\n<li>Niv\u00e5sensor i varje pumpgropp (submersibel trycktransducent)<\/li>\n<li>Fl\u00f6desm\u00e4tare p\u00e5 ut- och infl\u00f6de fr\u00e5n pumpstationen<\/li>\n<li>Gasvarningssensor (H\u2082S, CH\u2084) f\u00f6r personals\u00e4kerhet vid inspektion<\/li>\n<li>R\u00f6rceg\u00e5ng f\u00f6r s\u00e4ker nedl\u00e5sning av sensor<\/li>\n<\/ul>\n<p>Sensor-Online aggregerar data fr\u00e5n alla pumpstationer i ett gemensamt dashboard d\u00e4r driftpersonal ser \u00f6vergripande status och kan borra ned i enskilda anl\u00e4ggningar vid avvikelse.<\/p>\n<h2>FAQ: IoT under mark<\/h2>\n<h3>Kr\u00e4vs det explosionss\u00e4kra sensorer i brunnar?<\/h3>\n<p>Om brunnarna kan inneh\u00e5lla explosiva atmosf\u00e4rer (exakta gaser \u00f6ver LEL) kr\u00e4vs ATEX-certifierade sensorer. Sensor-Online st\u00f6der ATEX-certifierade LoRaWAN-sensorer f\u00f6r dessa milj\u00f6er. Kontakta oss f\u00f6r att identifiera r\u00e4tt sensor f\u00f6r din specifika milj\u00f6klassning.<\/p>\n<h3>Hur l\u00e5ngt \u00e4r batteritiden p\u00e5 niv\u00e5sensorer i brunnar?<\/h3>\n<p>Med ett rapporteringsintervall p\u00e5 15 minuter och bra signalh\u00e4ls\u00e5 (RSSI \u00f6ver \u221290 dBm) uppn\u00e5r de flesta submersibla LoRaWAN-niv\u00e5sensorer 5+ \u00e5rs batteritid. Sensor-Online \u00f6vervakar batteriniv\u00e5n och larmar f\u00f6re kritisk niv\u00e5.<\/p>\n<h3>Kan Sensor-Online integrera med SCADA-system f\u00f6r VA?<\/h3>\n<p>Ja. Via Modbus TCP (BridgeX), MQTT eller REST API kan Sensor-Onlines data matas direkt in i befintliga SCADA-system fr\u00e5n leverant\u00f6rer som Wonderware, iFIX eller WinCC.<\/p>\n<p>L\u00e4s mer om <a href=\"https:\/\/sensor-online.se\/iot-solutions-for-industrial-control\/\">IoT f\u00f6r VA och industri<\/a> eller bes\u00f6k <a href=\"https:\/\/sensor-online.se\/sensorer\/\">sensorkatalogen<\/a> f\u00f6r att v\u00e4lja r\u00e4tt sensor.<\/p>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Vad \u00e4r Sensor-Online?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sensor-Online \u00e4r en IoT-plattform f\u00f6r \u00f6vervakning, larm och automation av sensorer via LoRaWAN, Modbus, NB-IoT och MQTT. Utvecklad av Nodeledge AB i Sverige.\"}},{\"@type\":\"Question\",\"name\":\"Hur kommer jag ig\u00e5ng med Sensor-Online?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Skapa ett konto, anslut en LoRaWAN-gateway och l\u00e4gg till f\u00f6rsta sensor fr\u00e5n enhetstypbiblioteket. Data visas automatiskt p\u00e5 dashboard.\"}},{\"@type\":\"Question\",\"name\":\"Kan Sensor-Online k\u00f6ras on-premises?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ja. Sensor-Online levereras som Docker-image f\u00f6r on-premises-drifts\u00e4ttning med full datakontroll.\"}}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Under mark \u2013 d\u00e4r \u00f6vervakning g\u00f6r st\u00f6rst skillnad Ledningar och brunnar under mark tillh\u00f6r de sv\u00e5r\u00f6vervakade milj\u00f6erna \u2013 de \u00e4r d\u00e4r vi s\u00e4llan kollar f\u00f6rr\u00e4n n\u00e5got g\u00e5tt snett. Med LoRaWAN-sensorer monterade under brunnslock och i tunnlar kan Sensor-Online ge dig kontinuerlig data om vad som faktiskt h\u00e4nder under jord \u2013 och larma dig om n\u00e5got&hellip;<\/p>","protected":false},"author":1,"featured_media":4505,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[211],"tags":[80,29,78,79],"class_list":["post-4504","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-2026","tag-level","tag-lorawan","tag-manhole","tag-pressure","category-211","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IoT-\u00f6vervakning under mark \u2013 sensorer i brunnar, tunnlar och r\u00f6rledningar - Sensor-Online<\/title>\n<meta name=\"description\" content=\"LoRaWAN-sensorer f\u00f6r \u00f6vervakning under mark i VA-brunnar, tunnlar och tryckledningar. 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