Thomas (boggyb) wrote,
Thomas
boggyb

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This afternoon I picked up a smart electricity meter from my local library. Installation was reasonably easy - wiggle the meter cables until you can fit the current clamp on to the live one, plug in the display, work out how to enter the time and tariff (the destructions were missing), go play!

Discoveries so far:

  • The cooker hobs are genuinely variable-power (ranges from about 500W to 2kW or so). I didn't think any electric hobs did that - usually they pulse on and off.
  • Standby-only load is about 30W. That's 3 smoke alarms, 3 phone chargers (base station, handset, cellphone), a wireless router, the cooker clock, 2 electric heater clocks, the fridge idling, the TV on standby, and a handful of power supplies idling. I'll have to experiment and work out where it all goes.
  • The immersion heater draws 2.86kW when active, and is probably the heaviest energy consumer in the flat (the shower draws more, but for less total time).
  • The main panel heater draws 1.5kW on half power, or 2.8kW on full. The bedroom heater is 1kW/2kW. I thought they were both the same rating.

Tags: energy
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