To test i can switch of all breakers except for one which will not have any power used, with that circuit i'll plug in a 120v 1500w baseboard heater which i have but don't use, and read the meter for usage, it should not be over the rated wattage, the volt x amp = watt with no heat losses.
Testing my smart meter is only a part of my use for it, i want to see my whole house power usage in real time and basic facts like hot water tank heat times durations and just how much power my electric heaters are using and costing to operate at that moment. Just that benefit is reason enough but it is also as i stated the other half to the smart meter,the smart half
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I will be purchasing at some point a plug in the wall, watt meter for its higher resolution of individual items like fridge etc..
the wall watt meter would be the cheapest at this point..
