battery shoot-off [RE-wrenches]

[Darryl Thayer]

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HI all
the Hobo data logger can do what you want for $199
PLUS the cost of signal conditioners and transducers. 
The signal transducers cost about the same as the
HOBO.  The hobo runs on its own battery and can log
for about a year, has four chanels.  The hobo does the
data logging and you down load using a serial port
when you want to.  

There is a lower cost version that is $110 but has
less features and less memory, if you use shunts, you
must come up with an amplifier for the millivolts to
the 2.5 for the data logger.  I have used hobo's and
find them to be reliable and easy to use.  
Darryl

--- "John Blittersdorf, Cent. VT Solar & Wind"
<cvsolar at aol.com> wrote:

> wrmiller at slonet.org writes:
> 
> 
> > At 06:46 AM 1/5/2005, you wrote:
> > >  By
> > >the way,  I would like a 3 or 4 channel meter so
> I can record wind input,
> > >solar input, house consumption and net battery...
> all for about $300... any
> > >takers?
> > >
> > >John Blittersdorf
> > 
> > 
> > http://www.dataq.com/products/startkit/di158.htm
> > 
> > $199.00.  However, you add your own computer. 
> Doesn't require an expensive 
> > one, maybe one you've outgrown and is sitting on
> the shelf in the garage 
> > anyway.  Can run on a serial or USB port.  Write
> off-line if you need help 
> > interfacing.
> > 
> > William Miller 
> > 
> 
> William,
>      The computer solution looks good except for the
> 24 hour a day load a CPU 
> puts on the system.  I am assuming that the computer
> has to be on all the 
> time to log data.  If there were some low draw
> storage and the computer only 
> retrieves the information, I would be very
> interested.  
> 
> John Blittersdorf
> 


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