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Grid companies in Sweden has increased the number of decimals on energy (kWh), here is how to update your device.
Your device has become unresponsive for some reason. Is there some way to recover? Yes!
| Shipping to Norway: | Order date or next working day |
| Shipping outside Norway: | At minimum once per week |
  | NEW 29th August -24: Danish and Swedish customers can now order directly from this webshop. We are enrolled in the EU IOSS system, and authorized to charge VAT. The EU IOSS system provides simplified customs and VAT process for B2C (Business to Customer) sales with order values up to 150 EUR ex VAT: - For consumers, VAT will be charged when ordering, no customs fee will be charged on import. - For businesses, VAT will not be charged when ordering. PostNord will charge VAT + customs fee on import. | |
 | Suomalaiset asiakkaat voivat tilata Pow-P1:n tai Pow-K:n jakelijamme Nurkan takaa -verkkokaupasta (klikkaa tästä siirtyäksesi) | |
 | Ålänningar har två alternativ: - Förbeställa Pow-K från Nurkan takaa i Finland (klicka här), vilket ger lägsta fraktkostnad (skickas från Finland). - Beställa från Lectrons.com | |
| Customers from other countries: We invite you to order from our store on Lectronz.com Customs fees / VAT: Customers in EU countries will be handled as described above for Denmark and Sweden. | Click the button:  |
Latest posts
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Kamstrup Omnipower in Sweden: 10x kWh errorRead more -
Updating device over USB cable, simplified methodRead moreSome users experience difficulties using one of the Over-the-air (OTA) methods for firmware upgrade. We propose a...
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Kamstrup Omnipower HAN port not workingRead moreHow to cure the Kamstrup Omnipower meter hick-up (meter stops pushing data)
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Kamstrup Omnipower meters in Sweden: Which configuration should you choose?Read moreSwedish grid companies are moving from "HAN-NVE" configuration to "P1" configuration. Some grid companies allow their...
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L2 current not available!?Read moreSome users have noticed that the device is no longer reporting current on phase L2.
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Swedish customers and PostNord as "Tullombud"Read moreSwedish customers receiving our shipments via Postnord are mislead to think they have to pay customs fee and VAT....
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One-click upgrade is not workingRead moreOne-click firmware upgrade works just fine for most users - but what to do if it fails?
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I have a Kaifa/Nuri meter, and my new Pow-U does not work!?Read moreOK... so we made a (minor) bummer on a design update of Pow-U. The fix is maybe not elegant, but it is easy!
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"I ordered a device on Lectronz, and paid VAT. But now I received a customs + VAT claim!?"Read moreSome of our EU customers that buy on Lectronz receive customs claims. Here is why - and what to do....
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Posted in: "2022"
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Emergency factory resetRead more -
Where are our customers located?Read moreThis map shows the postal code position for amsleser.no registered customers.
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Pow-U: Can the external power be connected while Pow-U is connected to the meter?Read moreIn some use situations, the Pow-U will have difficulties maintaining its voltage level and will reset frequently (see user manual for tips and remedies). Can power be connected to the micro-USB port to avoid this?
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How can I read data from my Pow-K / Pow-U when I'm not at home?Read moreMany of us do not like the idea of sending our power consumption data to some cloud service where we do not really know who can access them. This is why our solution is on purpose not could based - with the added benefit of being a solution without any monthly subscription fee.
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Can Pow-U and Pow-K show energy produced from solar panels or wind turbines?Read moreEspecially solar panel installations are starting to become common, so we want to monitor power and energy from them!
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Home Assistant med Pow-KRead moreThe Danish YouTube-channel Kenneths Teknik made an instructive video that shows how to connect a Pow-K to Home Assistant.
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How do I fix a bricked device?Read moreIf you by a mistake uploaded over Wifi a wrong firmware (intended for an other microprocessor), the device will not work. All hope is not out! But you need to reprogram your device by cable. The procedure to follow depends on your device.