Chris,

 Is the inside temp higher than the outside temp? If it is, is the console
light on? I found a 2-3 degree difference with console light on because it
generates heat inside the console.



Dave-KB1PVH


Sent from my Galaxy S7

On Mar 4, 2018 6:03 PM, <[email protected]> wrote:

> I sprung for Vantage Pro 2 with aspiration.  I have it hooked up to an RPi
> with the serial logger.  That part seems to work OK so far.
> My question is about which wind cups (large or small) is included in the
> standard kit these days?  The Davis site is woefully lacking
> in detail, and even the specs in the books are missing that one.  The
> other question is about calibration.  I have the console and ISS
> sitting in the same place, and the temp and humidity don't match (off a
> couple of degrees and few percent).  I found where to offset
> the values in the console, but not sure if either are correct.  Is this a
> matter of averaging the values of a bunch of thermometers
> and adjusting?  I found two more temp/hum units, and I've adjusted the
> console as needed, but does setting calibration change
> the values that the data-logger sees?  It doesn't seem like it, meaning I
> need to duplicate the offsets in the weewx.conf.
>
> Thx, Chris
>
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