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[aprssig] Stand Alone WX

Richard Sharp, KQ4KX kq4kx at arrl.net
Tue Jun 23 00:13:58 UTC 2009

I've had several Peet stations (U2100) with the temp/humidity sensors setup
here in central Florida for about 5 years.  I've recently been swapping the
temp/humidity sensor at each site with my spare and sending it to Peet Bros.
in St. Cloud to be recalibrated.  It was brought to my attention last year
by a DOF Fire guy that one of my sensors didn't -seem- right (they
apparently monitor many APRS wx stations especially during the dry season).
I sent it in for calibration and it was indeed out of cal.  I decided to
send them all in since they were all the same age.  They (Peet Bros.) are
also replacing the vent screen material on the temp/hum housing to the
current version.  They have gotten away from the white looking material and
are now using a more open stainless steel mesh material.

I've always had very good service support from Peet Bros.



-----Original Message-----
From: Gerry Creager

capacitance based, and ceramic impedance humidity sensors tend to have a 
relatively long, but variable lifetime.  My experience has been similar 
to Steve's.  Lots of time on them.

For the uses APRS-Wx data are put to when they go into CWOP (please DO 
submit your data to CWOP!) both temperature and humidirt are valuable.

gerry n5jxs

Steve Dimse wrote:
> On Jun 21, 2009, at 11:35 AM, Kriss A. Kliegle wrote:
>> Just don't use/buy one w/a humidity sensor. They don't last but a few 
>> months, gave up replacing them.
> I've used Peet units with a external temp/humidity sensor for more than 
> a decade. In that time I've had three sensor units. The first lasted 
> more than five years before the humidity got flakey. The second was 
> replaced as part of a complete replacement after the anemometer unit was 
> destroyed by Hurricane Wilma, it was working fine until that point, and 
> I have the temp/humidity unit saved as a backup. The third has been 
> working great for 3.5 years. There are county-owned units in the Keys 
> that have been up for nearly a decade. My experience is a lot different 
> than yours.
> Steve

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