Remote Metering / Data - Logging [RE-wrenches]
Joe Felker
joe.felker at alumni.stevens-tech.edu
Thu Jul 10 05:23:07 PDT 2008
Check out Hobo dataloggers from Onset Computer:
http://www.onsetcomp.com/
Joe
wratterman at sunenergypower.com wrote:
>
>
> Hello all,
>
>
>
> I am interested in what current products you recommend for metering and
> data logging for remote projects.
>
>
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> Our projects are all in quite difficult places to get to, in developing
> world countries.
>
>
>
> Quite understandably, the biggest problems we encounter relate to the
> early demise of the battery banks. But, without good monitoring, it
> becomes a guessing game as to the core reason. Generally, the reasons,
> in order of likelihood are (a) facility using more load than agreed to,
> (b) generator not being run long enough on hybrid systems, or something
> broken on the generator that we donât find out about, and (c) faults
> in the PV / charge controller system.
>
>
>
> Our metering will need to allow us to differentiate between these
> causes.
>
>
>
> The typical Bogart meter does not really accomplish everything. On our
> Outback systems, we will be installing the new Flex Net, but as I have
> yet to work on one, I am not sure if this will do everything.
> (particularly â can we set it up to give us AC kwhr usage?)
>
>
>
> Most of our locations are NOT connected to the internet, but some are,
> and some have cell phone access. But, we would need decent data logging
> / dump to laptop capabilities since this will be the main default case.
>
>
>
> Thanks for any suggestions or leads.
>
>
>
> Walt
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>
>
> Walt Ratterman
>
> SunEnergy Power International
>
>
>
> 11 Laurel Lane South Washougal, WA 98671
>
> (360)-837-3680 ⪠fax (360)-837-1315 ⪠Skype Walt-Mobile
>
> <mailto:wratterman at SunEPI.org> wratterman at SunEPI.org âª
> <http://www.sunepi.org/> www.SunEPI.org
>
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> [Non-text portions of this message have been removed]
>
Joe Felker
Senior Electrical Engineer
Pfister Energy
NABCEP Certified Solar PV Installer
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