From owner-freebsd-questions@FreeBSD.ORG Tue Oct 15 11:52:38 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 85EAD638 for ; Tue, 15 Oct 2013 11:52:38 +0000 (UTC) (envelope-from ralf.mardorf@alice-dsl.net) Received: from mail37c50.megamailservers.eu (mail233c50.megamailservers.eu [91.136.10.243]) by mx1.freebsd.org (Postfix) with ESMTP id E50D329D4 for ; Tue, 15 Oct 2013 11:52:37 +0000 (UTC) X-Authenticated-User: ralf.mardorf.alice-dsl.net Received: from [85.182.20.69] (e182020069.adsl.alicedsl.de [85.182.20.69]) (authenticated bits=0) by mail37c50.megamailservers.eu (8.13.6/8.13.1) with ESMTP id r9FBjgfp005375 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 15 Oct 2013 11:45:45 +0000 Message-ID: <1381837542.757.45.camel@archlinux> Subject: Re: UPS buying suggestion From: Ralf Mardorf To: freebsd-questions@freebsd.org Date: Tue, 15 Oct 2013 13:45:42 +0200 In-Reply-To: <20131015163434.5834988c@X220.ovitrap.com> References: <20131015134826.528289be@X220.ovitrap.com> <20131015163434.5834988c@X220.ovitrap.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-CSC: 0 X-CHA: v=2.0 cv=dYI3Kwre c=1 sm=1 a=ztyVO8lz3lMybfiksaaZaw==:17 a=ALKwz0t7uJUA:10 a=IkcTkHD0fZMA:10 a=rsIYsMhsAAAA:8 a=8-3U5OmvWyEA:10 a=U18m_GNWAAAA:8 a=vggBfdFIAAAA:8 a=4P0nPQEM0Oec4RkkepAA:9 a=QEXdDO2ut3YA:10 a=crg0cOJYuC4A:10 a=TyoC9r8uM1wA:10 a=Z-Li_lWCzP4A:10 a=ztyVO8lz3lMybfiksaaZaw==:117 X-CTCH-RefID: str=0001.0A02020A.525D2AE9.0134, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CTCH-VOD: Unknown X-CTCH-Spam: Unknown X-CTCH-Score: 0.000 X-CTCH-Rules: X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Oct 2013 11:52:38 -0000 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 Anyway, you can't trust those power meters.