Re: Automatic power metering - existing products and new functions



On Tue, 07 Jun 2005 09:17:27 +0100, Tony Williams
<tonyw@xxxxxxxxxxxxxxxxxxx> wrote:

>In article <d82v1o01b52@xxxxxxxxxxxxxxx>,
> Winfield Hill <hill_a@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>> I miss the old ones. The new ones have an easy-to-read kWhr
>> scale, but they lack the old rotating disk, which allowed you to
>> determine the instantaneous current, the kW-hr consumption rate.
>
> We've just had our meter changed by the electricity co.
> Rotating disk types in both cases. The 'new' one was
> older than the old one. The man said that they were so
> reliable that our meter would go back for calibration
> and then be cycled back into service with someone else.


Disk meters are astonishing. It's difficult to design an electronic
meter that will match their performance, and even more difficult to
match their cost.

John

.


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