On Thu, Aug 5, 2010 at 9:17 AM, Casper Bang <[email protected]> wrote:
> Cool device. However, the problem with these cheap meters(which rely
> on induction and the hall effect) is that they are not accurate enough
> to be useful for for anything but fridges, ranges etc.

Errr..... Induction: yes. Hall effect: no.

You'd have to strip down the wires on your appliance to use the hall
effect, since this requires measuring a current across the wire.
Instead, they use a toroid around the wire to get the best inductive
coupling they can and measure the current there.

Paul

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