[OZAPRS] smart meters ?

[Richard Hoskin]

Hi Damien,

The power supply used is an older version of one of these.

http://www.mini-box.com/picoPSU-160-XT

Cheers
Richard



> -----Original Message-----
> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
> Behalf Of Damien Gardner Jnr
> Sent: Sunday, 12 December 2010 10:07 PM
> To: Australian APRS Users
> Subject: Re: [OZAPRS] smart meters ?
> 
> Out of interest, what PSU are you using to allow it to run off 13.8V?
> Quite a few of the boxes in the rack in the garage are EPIA uATX boards,
> would LOVE to be able to do away with the big 3KVA UPS before it's time
> to replace the SLA's in it in another 6 months time.. :)
> 
> Actually at the moment I'm trying to figure out the best way to get 12V
> for my external eSata caddies from my 13.8V supply, after one of the
> power supplies died leaving me 1.5TB down on the fileserver..  Astone
> were completely useless when I emailed them asking for the power supply
> specs of their enclosures.. got a reply saying 'the external power
> supply supplies 12V at 2A, so you should replace with a similar supply'..
> I replied reiterating my request for the enclosures' input suppply range
> tolerances, but I don't think they *know* :(
> 
> --DG
> 
> On 12/12/2010 9:32 PM, Richard Hoskin wrote:
> > I'm running the local Igate, (UI-View&  AGWPE) SAMail email system etc
> on a
> > VIA EPIA-M Mini-ATX PC. It's running on 12v using a SLA battery and PSU
> at
> > about 40W to 50W of power drain.
> >
> > After booting which takes a little longer than the average system it
> runs at
> > about 20% CPU just fine. The CPU is fan less and runs reasonably cool.
> The
> > PC seems to be very reliable.
> >
> > Cheers
> > Richard
> > VK3JFK
> >
> >
> >> -----Original Message-----
> >> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
> >> Behalf Of Jamie Campbell - VK2YCJ
> >> Sent: Sunday, 12 December 2010 12:15 PM
> >> To: Australian APRS Users
> >> Subject: Re: [OZAPRS] smart meters ?
> >>
> >> Shaun,
> >>
> >> Consider these options:
> >>
> >>
> >> 1. Asus EEEPC-701
> >>
> >>
> >> 2. Asus EEEBox B202
> >> http://event.asus.com/eeepc/microsites/eeebox/en/specifications.html
> >>
> >> 3. Mini-ITX motherboard
> >> http://www.gigabyte.com.au/products/product-page.aspx?pid=3549#ov
> >>
> >>
> >> We have used both EEEPC-701 and the EEEBOX B202 at work for small 24hr
> a
> >> day appliances and the power consumption is exceptionally low.
> >>
> >>
> >>
> >>
> >> Jamie Campbell
> >>
> >> vk2ycj at bravo.net.au
> >>
> >> I didn't have time to write a short letter, so I
> >> wrote a long one instead.  (Mark Twain, 1835-1910)
> >>
> >>
> >>
> >>
> >> On 12/12/2010 9:09 AM, Shaun wrote:
> >>> Hi Andrew,
> >>>
> >>> We started on power consumption for the computers used to run APRS,
> >> especially
> >>> iGates, and the associated costs.
> >>>
> >>> To the group:
> >>>
> >>> I am going to put a meter on my PC to see how much power the thing
> >> actually
> >>> uses.  Even though it has a 300 watt PS. I don't think it is actually
> >> using
> >>> that much.  Comparing it to my home brew box, which has a 60 watt
> globe
> >> to
> >>> heat the beer, I had assumed about 100 watts for the PC given how hot
> it
> >>> gets.
> >>>
> >>> So 0.100kw x 24h x 365d x $0.22 = $193.
> >>>
> >>> Some notebooks are running sub 10 watts, so $19.70 per year in running
> >> costs.
> >>> So in short, using a netbook, external monitor and keyboard, which I
> >> already
> >>> have, payback is less than 2 years or a bit over 2 years if you get
> the
> >>> bottom  end Dell 10.1 inch at $399.
> >>>
> >>> Shaun
> >>>
> >>>
> >>> On Sat, 11 Dec 2010 23:39:57 Andrew Rich wrote:
> >>>> Aprs ?
> >>>>
> >>>> Sent from my iPhone
> >>>> Andrew Rich
> >>>>
> >>> _______________________________________________
> >>> OZAPRS mailing list
> >>> OZAPRS at aprs.net.au
> >>> http://lists.aprs.net.au/mailman/listinfo/ozaprs
> >>>
> >>>
> >> _______________________________________________
> >> OZAPRS mailing list
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> > OZAPRS mailing list
> > OZAPRS at aprs.net.au
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> 
> 
> --
> 
> Damien Gardner Jnr
> VK2TDG. Dip EE. GradIEAust
> rendrag at rendrag.net -  http://www.rendrag.net/
> --
> We rode on the winds of the rising storm,
>   We ran to the sounds of thunder.
> We danced among the lightning bolts,
>   and tore the world asunder
> 
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