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Date: Tue, 15 Oct 2013 20:16:44 +0800
From: Erich Dollansky <erich@alogt.com>
To: Ralf Mardorf <ralf.mardorf@alice-dsl.net>
Subject: Re: UPS buying suggestion
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Hi,

On Tue, 15 Oct 2013 13:45:42 +0200
Ralf Mardorf <ralf.mardorf@alice-dsl.net> wrote:

> On Tue, 2013-10-15 at 16:34 +0800, Erich Dollansky wrote:
> > The power meter will show you the actual W consumed by the device
> > but not the VA that your UPS will have to deliver.
> 
> The shown kWh can be converted to average W, where VA more or less is
> equal to W.
> 
> http://www.rapidtables.com/convert/electric/wh-to-watt.htm
> http://askville.amazon.com/Watt-Volt-Amper/AnswerViewer.do?requestId=3916116

from your link:

'For what are known as "reactive loads" the answer is no. Reactive l'

A PC is a reactive load.

> 
> Anyway, you can't trust those power meters.

Do not think so bad. It is all a matter of price.

Erich