[CAUT] temp/humidity swing puzzler

[Wolfley, Eric (wolfleel)]

Hi John,

It makes me a little queezy just looking at that chart! 

Does the prof have a high intensity halogen light on the desk which
might be affecting the data logger? Of course the Relative Humidity goes
down when the temp goes up because warmer air can hold more moisture. 

We keep our data loggers underneath the piano on top of the rear leg
plate or on a brace so nobody will mess with them.

Eric

Eric Wolfley, RPT
Head Piano Technician
Cincinnati College-Conservatory of Music
University of Cincinnati

-----Original Message-----
From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of
John Minor
Sent: Monday, February 05, 2007 2:41 PM
To: caut
Subject: [CAUT] temp/humidity swing puzzler

Here's a chart from a DICKSON DATALOGGER on a Steinway B music desk in
one of our teaching assistant studios. Can anyone guess what's going on
with the wild swings in temp and humidity?

John Minor
University of Illinois