Zero percent humidity

[Jack Houweling]

Hello Chris

How much does it cost?

Jack Houweling

----- Original Message ----- 
From: "Chris Gregg" <cdgregg@telus.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Tuesday, January 06, 2004 9:19 PM
Subject: Zero percent humidity


>
>
> I have a fairly accurate hygrometer.  I bought it from a scientific
> instrument supply company.  I have been using it for the past year and
have
> been delighted with the performance. A description of it can be seen at
> http://www.hannacan.com/fiches_techniques/HI98601.pdf
> Up here in the far North we have just been going through a cold spell
with
> an mass of Arctic air over us.  I knew it was dry in some homes, have had
> the humidity down to 5 to 8% at times, however this is nothing compared to
> some public buildings that have music schools in them.  I was in one
> yesterday that recorded 2.7 percent in one room and this evening I was in
a
> building that actually took the gauge down to 0% for a few moments.  I did
> not know this was possible, however I guess it is.  It must be like
sitting
> right inside the furnace.  Some of the local piano salesmen tell me they
> sometimes hear things go crack on the showroom floor.  I wonder why?  We
> even have laminated boards that crack in this part of the world.  Keeps us
> busy though.  Install lots of Dampp Chasers around this time of year.
>
> Chris
>
>
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