Re: Software to show electricity consumption

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance

In article <eSwunT$VFHA.3532@xxxxxxxxxxxxxxxxxxxx>,
David <someone@xxxxxxxxxxxxx> wrote:
>Hello, andy!
>You wrote on Fri, 13 May 2005 20:36:57 +0100:
>
> as> peterlavington@xxxxxxxxxxx wrote:
>>> Anybody know of free software that will show me how much electricity
>>> (presumably in watts) I am using whilst my PC is on?
>
>
>as> I'm not an electrical engineer, but I would think that the amount of
>as> mains current consumed by your pc while it is on is governed by the=20
>as> wattage of your power supply.
>
>Not true!
>
>as> This takes the mains current and supplies it to the components. If
>as> the=20
>as> PC is running then the amount of current used is steady as the=20
>as> components don't change and therefore draw a consistent level of=20
>as> current. So a 500w power supply left on for an hour is going to draw
>as> 500w per hour or .5 kwhour per hour (in the UK electricity tends to
>as> be=20
>as> measured in kilowatt hours). Also in UK terms we tend to think in
>as> terms=20
>as> of electric fires, a one bar electric fire uses 1 kilowatt per hour
>as> so=20
>as> your computer with a 500w power supply would use half as much.
>
>The power consumption is not constant at all. The power supply rating =
>simply indicates how much it can supply rather than what is being used. =
>The CPU load, disk activity, and whether the machine is in standby all =
>affect the instantaneous power consumption. To answer the original =
>question, I know of no system that can actually measure the power =
>consumption. External devices are needed.
>
>David
>
>


You need something like this:


http://www.p3international.com/products/special/P4400/P4400-CE.html

About $30US
--
a d y k e s @ p a n i x . c o m

Don't blame me. I voted for Gore.
.

Relevant Pages

  • Re: amperes money matters
    ... > a neon/LED that flashes to show electricity consumption and also stated on ... > the meter what 1 rev or 1 flash means in terms of power consumption. ... and even more general the ones giving off the most heat are likely ...
    (sci.electronics.repair)
  • Re: amperes money matters
    ... >> Assuming your domestic power consumption meter either has a rotating dial ... >> a neon/LED that flashes to show electricity consumption and also stated ... >> the meter what 1 rev or 1 flash means in terms of power consumption. ... and even more general the ones giving off the most heat are likely ...
    (sci.electronics.repair)
  • Re: Software to show electricity consumption
    ... >> Anybody know of free software that will show me how much electricity ... So a 500w power supply left on for an hour is going to draw ... as> measured in kilowatt hours). ... as> of electric fires, a one bar electric fire uses 1 kilowatt per hour ...
    (microsoft.public.windowsxp.general)
  • Re: power consumption?
    ... "Ringmaster" wrote in message ... consume any electronic power or the power consumption can be ignored? ... electricity is electronic. ...
    (microsoft.public.windows.vista.general)
  • Re: Global Warming - A chance to help
    ... For only 1.5 cents more per kilowatt-hour of electricity usage, ... *only* $15 per month in addition to my normal bill. ... If you send the money to Tim, ... cost per kilowatt hour would be, given the average usage for a year. ...
    (rec.boats)