• Pow-K
  • Pow-K


Tax included

https://www.amsleser.no/content/9-downloadsHAN port reader for Kamstrup Omnipower smart power meters.

Order without 3D printed holder if you want to replace the original card in your HAN-Module (mainly relevant in Norway) or prefer to 3D print the holder yourself.

Enclosure: With

Technical specifications

Compatibility Kamstrup Omnipower
Connection Wi-Fi 2.4GHz b/g/n
Power Powered from the meter
Input voltage 4,15V
Operating power 0,3 W
Data encryption Supported
MQTT Yes, also SSL
Home Assistant autodiscovery Yes
Dimensions 70 x 73,5 x 22 mm
Weight (incl enclosure) 40 g
Operating conditions IP20 (not waterproof)
Temperature range -20°C to +70°C
Humidity Non-condensing


  • Embedded powerful ESP32 micro controller
  • Integrates with smart home systems via MQTT
  • Home Assistant auto-discovery
  • No cloud server, you control of your data
  • Optional user installable temperature sensor (DS18B20), see Pow-K User Manual.
  • CE marked, the EU declaration of conformity can be downloaded from here.

Delivered with latest version amsreader-firmware.

Connects to your local wifi, where it displays a web user interface page that can be opened from a device (PC, tablet, phone, ...) connected your internal Wi-Fi network.

If you have a meter with a Kamstrup HAN-NVE module, you can open it and replace the card with a Pow-K+ card, see instructions here.
Or you can buy or 3D-print a holder; STL file is available for download.


Specific References

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