[wxqc] Humidity/Dew Point

[Tim Crummel]

HI,
I have a Lacrosse 3610 as well as two old heathkit units which I calibrate
yearly with two 300$ reference Units. Surprisingly the 3610 seems to be
quite accurate however the 2310 does have a problem with humidity. But at
night my heathkit units do read higher then others due to my area being
surrounded by three lakes so do take the dew point readings with a grain of
salt see how you compare in the day around noon or when your readings are
around 50% to see.

-----Original Message-----
From: wxqc-bounces at lists.gladstonefamily.net
[mailto:wxqc-bounces at lists.gladstonefamily.net] On Behalf Of Steve Gunn
Sent: Sunday, May 07, 2006 2:47 PM
To: wxqc at lists.gladstonefamily.net
Subject: [wxqc] Humidity/Dew Point

You mentioned tha you had a LaCrosse Weather Station.
Well, I too have one and have difficulty with my
Humidity/Dew Point. Now I do agree with the fact that
accuracy is the main goal, but I do believe that
Lacrosse has a problem. If you go to Wunderground and
pick almost any area, go to the google map of PWS and
I bet you can pick out the Lacrosse Stations by just
looking at their readings. Lacrosse appears to read
high in high humidity conditions and extremely low in
lower humidity situations.
It would be easy to say it is a microclimate
situation, but with a Lacrosse Station, I would have
to say the LaCrosse is at fault.
I really like my Lacrosse 2310, except for the Dew
Point/Humidity Readings.
I have sent my thermo/Hydro unit back tyo Lacrosse and
received a replacement that acted exactly as the
previuos unit.
WhenI contact them again, their answer is to send the
unit back for testing at a cost of $35. Then they will
sell you another unit that does the same thing.
Steve



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