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Kamstrup Omnipower in Sweden: 10x kWh error

Apparently due to a regulatory change in Sweden, Kamstrup Omnipower meters are now sending one extra decimal for energy (kWh). The payload does not contain information on where to place the decimal point, so we unfortunately do not see a way to compensate for that in the code.

The result of this is that the Pow-K device will display a 10x error for energy (ten times too much).

However, the fix is fairly easy to implement:

  • Open the configuration page
  • In the "Meter" section: Activate Multipliers
  • Change the kWh multiplier from 1 to 0.1 (effectively dividing the value by ten)
  • Press "Save" (bottom right corner)

The setting should look like this:

Posted in: Information, How to

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