Electrical question

[David Love]

It's a humidistat that has a dial control and the DC rods are plugged into
the humidistat.  So when the RH gets to whatever the humidistat is set at,
the DC rods are shut off.  

David Love
davidlovepianos at comcast.net 
www.davidlovepianos.com

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Ron Nossaman
Sent: Saturday, February 23, 2008 9:02 PM
To: Pianotech List
Subject: Re: Electrical question


> There is a dial 
> controlled humidistat that goes down to 10 or 15% RH (much lower than I 
> need). 

???? What does the dial control? The only controllable factor 
in the box is the heat.


> The other thing I wonder about is just how long should one expect it to 
> take, typically, for a panel  8mm thick that’s kept at shop conditions ( 
> 65 degrees and 50 – 55% RH) to dry down to an EMC of 6 – 6.5% when 
> exposed to a box whose temp is, say,  80 degrees with an RH of 30%, a 
> condition which should produce an EMC of 6.1%.  I’ve read reports that 
> suggest anywhere from 1 or 2 days to 3 months! 
> 
> David Love


With the 65° and 55%RH, count on a couple of days. If you get 
to something like 80° and 70%RH in the shop, you'll never get 
there unless you can get the temperature up to around 110°. 
The temperature differential between the shop and the box will 
determine the dry time.
Ron N