Date: Tue, 15 Oct 2013 14:12:37 +0200 From: Ralf Mardorf <ralf.mardorf@alice-dsl.net> To: freebsd-questions@freebsd.org Subject: Re: UPS buying suggestion Message-ID: <1381839157.757.55.camel@archlinux> In-Reply-To: <1381838368.757.50.camel@archlinux> References: <CACo--msUpY-6r7MkuEvrPDpSVdFZyBotSA-eS7aLGMFDeq_vDQ@mail.gmail.com> <20131015134826.528289be@X220.ovitrap.com> <1381838368.757.50.camel@archlinux>
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On Tue, 2013-10-15 at 13:59 +0200, Ralf Mardorf wrote: > On Tue, 2013-10-15 at 13:48 +0800, Erich Dollansky wrote: > > As you need the current anyway, I would use an ampere meter to > > determine the exact current drawn. I got already some surprises there. > > You can do a Ampere measurement, but that doesn't help you, you need to > measure the consumption over a longer period. > > Regarding to the hair dryer, it's an electromotor ;). PS: Please don't recommend to use multi meters, even if they would provide the wanted results. Using multi meters for the mains only should be done, when galvanic isolation by an isolating transformer is given.
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