{"id":9136,"date":"2026-01-31T13:00:58","date_gmt":"2026-01-31T13:00:58","guid":{"rendered":"https:\/\/sensor-online.se\/?p=9136"},"modified":"2026-03-29T10:30:13","modified_gmt":"2026-03-29T10:30:13","slug":"lorawan-nivasisensor-brunn-placering-larm","status":"publish","type":"post","link":"https:\/\/sensor-online.se\/sv\/lorawan-nivasisensor-brunn-placering-larm\/","title":{"rendered":"LoRaWAN niv\u00e5m\u00e4tning i brunnar: sensorer, placering och larm (komplett guide)"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">LoRaWAN niv\u00e5m\u00e4tning i brunnar: guide till sensorer, placering och larm<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Att m\u00e4ta niv\u00e5 i brunnar manuellt \u00e4r tidskr\u00e4vande och ofta on\u00f6digt. Med <strong>LoRaWAN niv\u00e5m\u00e4tning i brunnar<\/strong> f\u00e5r du automatiska m\u00e4tv\u00e4rden, trendkurvor och larm som varnar innan det blir problem. Det kan minska utryckningar, ge b\u00e4ttre planering och g\u00f6ra det enklare att f\u00f6lja upp drift.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I den h\u00e4r guiden g\u00e5r vi igenom:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vilka sensortyper som passar olika brunnar<\/li>\n\n\n\n<li>hur du placerar sensorn f\u00f6r stabila v\u00e4rden<\/li>\n\n\n\n<li>hur du bygger larm som fungerar utan falsklarm<\/li>\n\n\n\n<li>vanliga misstag och hur du undviker dem<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Varf\u00f6r LoRaWAN f\u00f6r niv\u00e5m\u00e4tning i brunnar?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LoRaWAN passar bra n\u00e4r m\u00e4tpunkter \u00e4r utspridda, det saknas el och du vill ha l\u00e5ng batteritid. F\u00f6r brunnar \u00e4r det extra relevant eftersom:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>lock, mark och fukt ofta g\u00f6r mobil uppkoppling knepigare eller dyrare i drift<\/li>\n\n\n\n<li>installationer beh\u00f6ver vara \u201cs\u00e4tt och gl\u00f6m\u201d i flera \u00e5r<\/li>\n\n\n\n<li>du ofta vill skala fr\u00e5n 10 till 500+ brunnar utan att allt blir kr\u00e5ngligt<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Med r\u00e4tt uppl\u00e4gg f\u00e5r du dessutom ett b\u00e4ttre beslutsunderlag: inte bara \u201cniv\u00e5n just nu\u201d, utan ocks\u00e5 hur den beter sig \u00f6ver tid.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00e4lj r\u00e4tt niv\u00e5sensor f\u00f6r brunn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Det finns tre vanliga tekniker f\u00f6r <strong>niv\u00e5sensor i brunn<\/strong>. Valet beror p\u00e5 brunnstyp, milj\u00f6, hur \u201cst\u00f6kigt\u201d det \u00e4r i brunnen och hur enkelt du vill kunna serva.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1) Hydrostatisk trycksensor (neds\u00e4nkt)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u00e5 funkar det:<\/strong> sensorn m\u00e4ter trycket fr\u00e5n vattenpelaren och omvandlar till niv\u00e5 (cm\/m).<br><strong>F\u00f6rdelar:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ofta stabil och noggrann i vatten<\/li>\n\n\n\n<li>fungerar i tr\u00e5nga brunnar<\/li>\n\n\n\n<li>bra f\u00f6r b\u00e5de trender och larm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nackdelar:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>beh\u00f6ver monteras s\u00e5 den inte hamnar i slam eller sl\u00e5r mot v\u00e4gg<\/li>\n\n\n\n<li>kan p\u00e5verkas av densitet\/temperatur om du kr\u00e4ver h\u00f6g precision<\/li>\n\n\n\n<li>risk f\u00f6r avlagringar i \u201csmutsiga\u201d milj\u00f6er (beroende p\u00e5 brunn)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Passar bra f\u00f6r:<\/strong> grundvatten, dagvatten, pumpgropar d\u00e4r du kan skydda sensorn.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2) Ultraljud (toppmonterad)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u00e5 funkar det:<\/strong> m\u00e4ter avst\u00e5nd fr\u00e5n toppen ner till vattenytan.<br><strong>F\u00f6rdelar:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ingen kontakt med vattnet<\/li>\n\n\n\n<li>l\u00e4tt att komma \u00e5t vid service<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nackdelar:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kondens, spindeln\u00e4t, skum och turbulens kan ge hoppiga v\u00e4rden<\/li>\n\n\n\n<li>kr\u00e4ver fri sikt och bra montage<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Passar bra f\u00f6r:<\/strong> brunnar med lugn yta och d\u00e4r du vill slippa neds\u00e4nkt sensor.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3) Radar (toppmonterad)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u00e5 funkar det:<\/strong> m\u00e4ter avst\u00e5nd med radar, ofta mer robust \u00e4n ultraljud.<br><strong>F\u00f6rdelar:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>klarar ofta kondens och \u201ctuffare\u201d milj\u00f6 b\u00e4ttre<\/li>\n\n\n\n<li>stabil vid turbulens och sv\u00e5rare ytor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nackdelar:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>h\u00f6gre ink\u00f6pspris<\/li>\n\n\n\n<li>montage och riktning m\u00e5ste g\u00f6ras r\u00e4tt<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Passar bra f\u00f6r:<\/strong> pumpstationer och brunnar d\u00e4r drifts\u00e4kerhet \u00e4r viktigast.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">IP-klass och material: det som avg\u00f6r om det h\u00e5ller i l\u00e4ngden<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Brunnar \u00e4r en kombination av fukt, kondens, temperaturv\u00e4xlingar och ibland kemisk p\u00e5verkan. Sikta p\u00e5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP67<\/strong> f\u00f6r elektronik som sitter skyddat<\/li>\n\n\n\n<li><strong>IP68<\/strong> f\u00f6r neds\u00e4nkta sensorer<\/li>\n\n\n\n<li>bra kabelgenomf\u00f6ring och dragavlastning (det \u00e4r ofta d\u00e4r det g\u00e5r fel)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Och gl\u00f6m inte vinterperspektivet: kondens och kyla st\u00e4ller krav b\u00e5de p\u00e5 kapsling och montage.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Placering som ger stabila m\u00e4tv\u00e4rden<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Placeringen avg\u00f6r ofta mer \u00e4n sensormodellen. H\u00e4r \u00e4r praktiska riktlinjer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Placering av trycksensor (neds\u00e4nkt)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Undvik inlopp\/utlopp<\/strong> d\u00e4r turbulens eller lokala niv\u00e5skillnader uppst\u00e5r.<\/li>\n\n\n\n<li><strong>S\u00e4tt sensorn en bit ovan botten<\/strong> s\u00e5 den inte hamnar i slam.<\/li>\n\n\n\n<li><strong>Skydda mekaniskt<\/strong> med skyddsr\u00f6r eller f\u00e4ste om milj\u00f6n kr\u00e4ver det.<\/li>\n\n\n\n<li><strong>Dragavlasta kabeln<\/strong> ordentligt och undvik skav mot betong\/kanter.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Tips: Om du har pumpgrop, f\u00f6rs\u00f6k placera i \u201clugna zonen\u201d men \u00e4nd\u00e5 d\u00e4r niv\u00e5n representerar styrningen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Placering av ultraljud\/radar (toppmonterat)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Fri sikt ner mot ytan<\/strong>. Undvik stegar, r\u00f6r och stag i m\u00e4tstr\u00e5len.<\/li>\n\n\n\n<li><strong>T\u00e4nk kondens<\/strong>. I vissa brunnar g\u00f6r 10 cm sidof\u00f6rflyttning stor skillnad.<\/li>\n\n\n\n<li><strong>Undvik att sikta n\u00e4ra v\u00e4gg<\/strong> om brunnen \u00e4r smal, det kan st\u00f6ra ekot.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">LoRaWAN i brunn: t\u00e4ckning, antenn och driftss\u00e4kerhet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Brunnar \u00e4r radiom\u00e4ssigt tuffa: markniv\u00e5, fukt och framf\u00f6r allt metallock d\u00e4mpar signalen. F\u00f6r <strong>niv\u00e5m\u00e4tning LoRaWAN<\/strong> i brunnar \u00e4r detta ofta skillnaden mellan \u201cfunkar alltid\u201d och \u201cfunkar ibland\u201d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Praktiskt som brukar hj\u00e4lpa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Extern antenn upp till markniv\u00e5<\/strong> (med t\u00e4t och robust genomf\u00f6ring)<\/li>\n\n\n\n<li>placera gateway s\u00e5 att den \u201cser\u201d omr\u00e5det b\u00e4ttre (h\u00f6jd g\u00f6r stor skillnad)<\/li>\n\n\n\n<li>anpassa s\u00e4ndintervall s\u00e5 du inte stressar batteri och n\u00e4t i on\u00f6dan<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En bra strategi \u00e4r att m\u00e4ta relativt glest normalt och l\u00e5ta larmhanteringen g\u00f6ra jobbet.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e4tintervall: vad \u00e4r lagom?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Det beror p\u00e5 vad du ska styra och hur snabbt niv\u00e5erna r\u00f6r sig:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>10\u201315 minuter<\/strong>: bra n\u00e4r du vill f\u00e5nga h\u00e4ndelser och snabba f\u00f6r\u00e4ndringar<\/li>\n\n\n\n<li><strong>30\u201360 minuter<\/strong>: ofta fullt tillr\u00e4ckligt f\u00f6r trend, historik och m\u00e5nga larmfall<\/li>\n\n\n\n<li>glesare kan funka om det \u00e4r l\u00e5ngsamma niv\u00e5f\u00f6r\u00e4ndringar (t.ex. vissa grundvattenbrunnar)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Om du vill uppt\u00e4cka stopp eller infl\u00f6de tidigt \u00e4r det oftast b\u00e4ttre att kombinera m\u00e5ttligt intervall med \u201csmartare larm\u201d (se n\u00e4sta avsnitt).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Larm: bygg brunnsniv\u00e5-larm som inte falsklar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e5nga b\u00f6rjar med ett enkelt \u201cH\u00f6g niv\u00e5\u201d-larm och blir snabbt tr\u00f6tta p\u00e5 falsklarm. Nyckeln \u00e4r att kombinera tr\u00f6sklar med logik.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rekommenderade larmtyper<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u00f6g niv\u00e5<\/strong>: \u00f6ver gr\u00e4ns<\/li>\n\n\n\n<li><strong>L\u00e5g niv\u00e5<\/strong>: under gr\u00e4ns (ofta viktigt f\u00f6r grundvatten)<\/li>\n\n\n\n<li><strong>Snabb niv\u00e5\u00f6kning<\/strong> (trend): varnar tidigt vid infl\u00f6de eller stopp<\/li>\n\n\n\n<li><strong>Kommunikationslarm<\/strong>: ingen data p\u00e5 X timmar<\/li>\n\n\n\n<li><strong>Batterilarm<\/strong>: varna i god tid innan driftstopp<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Larmhygien (det som minskar falsklarm)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hysteres<\/strong>: larma vid 80 cm, \u00e5terst\u00e4ll f\u00f6rst vid 75 cm<\/li>\n\n\n\n<li><strong>F\u00f6rdr\u00f6jning<\/strong>: m\u00e5ste ligga \u00f6ver gr\u00e4ns i 10\u201315 minuter innan larm<\/li>\n\n\n\n<li><strong>Eskalering<\/strong>: om larm kvarst\u00e5r, skicka n\u00e4sta niv\u00e5 av avisering<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Det h\u00e4r \u00e4r ofta det som g\u00f6r att <strong>brunnsniv\u00e5 larm<\/strong> blir n\u00e5got driftpersonalen faktiskt litar p\u00e5.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kalibrering och omr\u00e4kning till cm\/m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f6r trycksensor:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>s\u00e4tt en tydlig <strong>0-punkt<\/strong> vid installation (referensniv\u00e5)<\/li>\n\n\n\n<li>dokumentera installation: djup, upph\u00e4ngning, avst\u00e5nd till botten<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00f6r toppmonterad:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ange <strong>montageh\u00f6jd<\/strong> och brunnsgeometri<\/li>\n\n\n\n<li>kontrollera sensorns min\/max-m\u00e4tomr\u00e5de s\u00e5 du inte hamnar i \u201cd\u00f6dzon\u201d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Proffstips: spara g\u00e4rna b\u00e5de r\u00e5v\u00e4rde och ber\u00e4knad niv\u00e5. Det g\u00f6r fels\u00f6kning mycket enklare.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vanliga problem och snabb fels\u00f6kning<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hoppiga v\u00e4rden<\/strong><br>Orsak: turbulens, hinder, sensor sitter fel.<br>L\u00f6sning: flytta placering, skydda sensor, \u00f6ka filtrering\/medelv\u00e4rde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u00e5lig t\u00e4ckning<\/strong><br>Orsak: metallock, markd\u00e4mpning, gateway f\u00f6r l\u00e5ngt bort.<br>L\u00f6sning: extern antenn, justera gatewayplacering, komplettera med gateway.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Igens\u00e4ttning\/avlagringar<\/strong><br>Orsak: slam, partiklar, bel\u00e4ggningar.<br>L\u00f6sning: placera ovan bottenslam, skyddsr\u00f6r, planerad servicepunkt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Falsklarm<\/strong><br>Orsak: saknar hysteres\/f\u00f6rdr\u00f6jning, tr\u00f6sklar f\u00f6r tajta.<br>L\u00f6sning: hysteres + f\u00f6rdr\u00f6jning + trend-larm.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Checklista innan du drifts\u00e4tter<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sensortyp matchar brunnens milj\u00f6<\/li>\n\n\n\n<li>Placering ger representativ niv\u00e5 och minimerar turbulens<\/li>\n\n\n\n<li>Kabel\/antenn \u00e4r dragavlastad och t\u00e4tad<\/li>\n\n\n\n<li>LoRaWAN-t\u00e4ckning verifierad p\u00e5 plats<\/li>\n\n\n\n<li>Larm har hysteres och f\u00f6rdr\u00f6jning<\/li>\n\n\n\n<li>Kommunikations- och batterilarm finns<\/li>\n\n\n\n<li>Installationen dokumenterad (h\u00f6jd, 0-punkt, foto)<\/li>\n<\/ul>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1769864153252\"><strong class=\"schema-faq-question\">Vilken sensor \u00e4r b\u00e4st f\u00f6r niv\u00e5m\u00e4tning i brunn?<\/strong> <p class=\"schema-faq-answer\">Det beror p\u00e5 milj\u00f6n. <strong>Trycksensor<\/strong> \u00e4r ofta enklast och stabil i vatten. <strong>Radar<\/strong> \u00e4r robust f\u00f6r sv\u00e5ra f\u00f6rh\u00e5llanden i toppmontage. <strong>Ultraljud<\/strong> funkar bra n\u00e4r ytan \u00e4r lugn och du kan montera med fri sikt.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1769864173320\"><strong class=\"schema-faq-question\">Hur ofta ska man m\u00e4ta niv\u00e5 i en brunn?<\/strong> <p class=\"schema-faq-answer\">Vanligt \u00e4r <strong>10\u201360 minuter<\/strong> f\u00f6r normal drift. Vid h\u00e4ndelser kan du m\u00e4ta t\u00e4tare, men t\u00e4nk p\u00e5 batteri och kommunikation. F\u00f6r larm \u00e4r det ofta b\u00e4ttre med bra larmlogik \u00e4n extremt t\u00e4ta m\u00e4tningar.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1769864184250\"><strong class=\"schema-faq-question\">Fungerar LoRaWAN i brunnar med metallock?<\/strong> <p class=\"schema-faq-answer\">Ibland, men det \u00e4r en utmaning. En <strong>extern antenn upp till markniv\u00e5<\/strong> g\u00f6r ofta stor skillnad. Annars kan gatewayplacering eller extra gateway beh\u00f6vas.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1769864194968\"><strong class=\"schema-faq-question\">Hur bygger man larm som inte ger falsklarm?<\/strong> <p class=\"schema-faq-answer\">Anv\u00e4nd <strong>hysteres<\/strong>, <strong>f\u00f6rdr\u00f6jning<\/strong> och g\u00e4rna <strong>trend-larm<\/strong> (snabb niv\u00e5\u00f6kning) som kompletterar h\u00f6g niv\u00e5. L\u00e4gg ocks\u00e5 kommunikationslarm separat.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1769864205243\"><strong class=\"schema-faq-question\">Kan man f\u00e5 \u201ccm vatten\u201d direkt?<\/strong> <p class=\"schema-faq-answer\">Ja. Trycksensorer kan konfigureras f\u00f6r niv\u00e5 i cm eller m. Toppmonterade sensorer m\u00e4ter avst\u00e5nd och r\u00e4knas om med montageh\u00f6jd\/brunnsdjup.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1769864214554\"><strong class=\"schema-faq-question\">Hur l\u00e5ng batteritid kan man r\u00e4kna med?<\/strong> <p class=\"schema-faq-answer\">Det varierar med s\u00e4ndintervall, radiomilj\u00f6 och temperatur. M\u00e5nga installationer klarar <strong>flera \u00e5r<\/strong>, men brunnsmilj\u00f6 och t\u00e4ckning p\u00e5verkar mycket.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1769864230980\"><strong class=\"schema-faq-question\">Vad \u00e4r viktigast vid installation?<\/strong> <p class=\"schema-faq-answer\">Placering och montage. En bra sensor felplacerad ger d\u00e5liga data. En \u201cenklare\u201d sensor r\u00e4tt placerad kan ge kanonresultat.<\/p> <\/div> <\/div>\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Hur djupt kan en LoRaWAN-niv\u00e5sensor placeras i en brunn?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Submersibla trycktransducenter finns f\u00f6r 1\u201310 m standardomr\u00e5ng. F\u00f6r djupare brunnar finns 50+ m-varianter. Sensor-Online r\u00e4knar om tryck till vattenniv\u00e5 automatiskt.\"}},{\"@type\":\"Question\",\"name\":\"Fungerar LoRaWAN-signalen fr\u00e5n botten av en brunn?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Typiskt ja f\u00f6r betong- och plastlockade brunnar. F\u00f6r metalllock monteras antenn med kort kabel precis under locket. T\u00e4ckkningstest rekommenderas alltid.\"}},{\"@type\":\"Question\",\"name\":\"Hur konfigureras larm f\u00f6r br\u00e4ddniv\u00e5?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"I Sensor-Online konfigureras tv\u00e5 tr\u00f6skelv\u00e4rden: f\u00f6rvarning n\u00e4r niv\u00e5n n\u00e4rmar sig br\u00e4ddpunkten och kritiskt larm med eskalering n\u00e4r br\u00e4ddning \u00e4r n\u00e4ra.\"}}]}<\/script>","protected":false},"excerpt":{"rendered":"<p>LoRaWAN niv\u00e5m\u00e4tning i brunnar: guide till sensorer, placering och larm Att m\u00e4ta niv\u00e5 i brunnar manuellt \u00e4r tidskr\u00e4vande och ofta on\u00f6digt. Med LoRaWAN niv\u00e5m\u00e4tning i brunnar f\u00e5r du automatiska m\u00e4tv\u00e4rden, trendkurvor och larm som varnar innan det blir problem. Det kan minska utryckningar, ge b\u00e4ttre planering och g\u00f6ra det enklare att f\u00f6lja upp drift. I&hellip;<\/p>","protected":false},"author":1,"featured_media":9138,"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":[],"class_list":["post-9136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-2026","category-211","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LoRaWAN niv\u00e5m\u00e4tning i brunnar: sensorer, placering och larm (komplett guide)<\/title>\n<meta name=\"description\" content=\"L\u00e4r dig v\u00e4lja r\u00e4tt LoRaWAN-niv\u00e5sensor f\u00f6r brunnar, placera den r\u00e4tt och s\u00e4tt larm som fungerar. 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Vid h\u00e4ndelser kan du m\u00e4ta t\u00e4tare, men t\u00e4nk p\u00e5 batteri och kommunikation. F\u00f6r larm \u00e4r det ofta b\u00e4ttre med bra larmlogik \u00e4n extremt t\u00e4ta m\u00e4tningar.","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/sensor-online.se\/lorawan-nivasisensor-brunn-placering-larm\/#faq-question-1769864184250","position":3,"url":"https:\/\/sensor-online.se\/lorawan-nivasisensor-brunn-placering-larm\/#faq-question-1769864184250","name":"Fungerar LoRaWAN i brunnar med metallock?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ibland, men det \u00e4r en utmaning. En u003cstrongu003eextern antenn upp till markniv\u00e5u003c\/strongu003e g\u00f6r ofta stor skillnad. Annars kan gatewayplacering eller extra gateway beh\u00f6vas.","inLanguage":"sv-SE"},"inLanguage":"sv-SE"},{"@type":"Question","@id":"https:\/\/sensor-online.se\/lorawan-nivasisensor-brunn-placering-larm\/#faq-question-1769864194968","position":4,"url":"https:\/\/sensor-online.se\/lorawan-nivasisensor-brunn-placering-larm\/#faq-question-1769864194968","name":"Hur bygger man larm som inte ger falsklarm?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Anv\u00e4nd u003cstrongu003ehysteresu003c\/strongu003e, u003cstrongu003ef\u00f6rdr\u00f6jningu003c\/strongu003e och g\u00e4rna u003cstrongu003etrend-larmu003c\/strongu003e (snabb niv\u00e5\u00f6kning) som kompletterar h\u00f6g niv\u00e5. 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