BP85s [RE-wrenches]

[Bill Brooks]

Jeff,

That's what I would do. Find two good days in succession and switch the
shunts to see if there is any difference in readings. This way if one set
has the lower output shunt, you will find out by switching them.

Bill.


> -----Original Message-----
> From: Jeffrey Wolfe, Global Resources [mailto:global at sover.net]
> Sent: Monday, April 09, 2001 3:44 PM
> To: 'RE-wrenches at topica.com'
> Subject: RE: BP85s [RE-wrenches]
>
>
> No transducers, everything is on the DC side with shunts to the
> Trace DVM's. Should we switch the DVM's occaisionally?
>
> Jeff
>
> ----------
> From: 	Bill Brooks[SMTP:billbrooks7 at earthlink.net]
> Reply To: 	RE-wrenches at topica.com
> Sent: 	Monday, April 09, 2001 3:05 PM
> To: 	RE-wrenches at topica.com
> Subject: 	RE: BP85s [RE-wrenches]
>
> Make sure you switch the transducers back and forth between the
> two modules
> types to alleviate calibration problems between the sensors. It will be
> interesting to see the results.
>
> Bill.
>
>
> > -----Original Message-----
> > From: Windy Dankoff, Dankoff Solar [mailto:windy at dankoffsolar.com]
> > Sent: Monday, April 09, 2001 6:43 AM
> > To: RE-wrenches at topica.com
> > Subject: RE: BP85s [RE-wrenches]
> >
> >
> > >I've finally gotten a "comparison" going between Astropower
> AP-120's and
> > >the BP-90's (the label data, but I understand 85W rating.)
> >
> > ......
> >
> > >Does anyone think that an old Bobier Omnimeter would do well as a data
> > >logger for this setup?
> > >
> > >Jeff
> > >
> > >Jeffery D. Wolfe, P.E.
> >
> >
> > Yes, Jeff. The Omnimeter Plus is superb for the purpose (if it's not
> > a Plus, it is older model that may have some inherent problems but
> > probably OK). It has 4 channels of data logging. You will be able to
> > read out overlapping graphs on any old PC, too.
> >
> > Windy
> >
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