Hi Roger, I'd love to have the "numbers" for the wet and dry--my recollection is that dry is 36% and wet is 50%. Your mileage may vary.... At 12:50 PM 05/01/2005 -0500, you wrote: >Hi Sarah, > >We are currently selling humidistats with three calibrations, wet, normal >and dry. The wet humidistat has a higher set point and is designed for >pianos who have spent most of their lives in humid environments, e.g. Hawaii >and Florida. These work well with gray market pianos, too. Normal units >are designed for pianos that have seen dry winters and humid summers. Dry >units are designed for pianos that have been exposed to dry environments for >long period of time, e.g. New Mexico and Arizona. I do not have the exact >specifications in front of me, but can post them later if anyone is >interested. I have some other commitments the rest of the day and need to >get off the internet. > >Roger > >----- Original Message ----- >From: "Sarah Fox" <sarah@graphic-fusion.com> >To: "Pianotech" <pianotech@ptg.org> >Sent: Wednesday, January 05, 2005 11:54 AM >Subject: Re: humidistat > > >> ... and one wonders what is the magic of 42%? I know it's heresy, but >could >> it be that other setpoints may be more appropriate for certain >> pianos/environments? If a piano has been accustomed to a high humidity >> environment for the past several decades, is it really smart to dry it out >> to 42%? If a piano has been used to living in the desert, it is >necessarily >> smart to humidify it to 42%? In the end, shouldn't the goal be to find a >> humidity at which both the client and the piano are happy and to lock it >in? >> After all, is it not the *changes* in humidity that bring about damage and >> instability, rather than the humidity itself??? >> >> Perhaps instead of having an unadjustable unit or a unit with a knob on >the >> front for easy adjustment, you should make your units adjustable with a >> screwdriver. ;-) >> >> Peace, >> Sarah >> >> >> >> ----- Original Message ----- >> From: "David Love" <davidlovepianos@comcast.net> >> To: "'Pianotech'" <pianotech@ptg.org> >> Sent: Wednesday, January 05, 2005 11:36 AM >> Subject: RE: humidistat >> >> >> > Hello Roger: >> > >> > I use the DC products without any complaint or need to find a >> > substitute. I was thinking more for a wood conditioning cabinet than >> > for a piano. But now that you bring it up, it would be nice if DC made >> > a dial up unit compatible with their products for just such a purpose. >> > What's the possibility of that? >> > >> > David Love >> > davidlovepianos@comcast.net >> > >> > -----Original Message----- >> > From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On >> > Behalf Of Roger Wheelock >> > Sent: Wednesday, January 05, 2005 8:28 AM >> > To: Pianotech >> > Cc: Gayle Mair >> > Subject: Re: humidistat >> > >> > Hi David, >> > >> > I use this unit in one of our test rooms at the factory. (I need to >> > control >> > the test room at various extremes of relative humidity.) The dial >> > readings >> > are not particularly accurate so a good hygrometer is needed for >> > calibration. I think it would work fine in the shop but not for a >> > piano. >> > Years ago we decided not to build a dial-up unit. We think a piano >> > owner >> > might adjust the dial and then either over dry or over humidify the >> > piano. >> > Our fear is that the piano owner would then file a claim against us for >> > the >> > damage. Maybe we are a bit paranoid, but we pride ourselves on never >> > having >> > an insurable product liability claim in the 57-year history of the >> > company. >> > >> > Conversely, we have thought about selling our humidistat into the >> > greenhouse >> > market. If I remember correctly that Greenair product is kind of >> > expensive. >> > >> > Roger Wheelock >> > Dampp-Chaser Corp. >> > >> > >> > >> > ----- Original Message ----- >> > From: "David Love" <davidlovepianos@comcast.net> >> > To: "'Pianotech'" <pianotech@ptg.org> >> > Sent: Wednesday, January 05, 2005 10:31 AM >> > Subject: humidistat >> > >> > >> >> Found this product recently. It will support dampp-chaser products >> > and >> >> can be dialed to the desired humidity level. >> >> >> >> http://www.greenair.com/humidistat.htm >> >> >> >> David Love >> >> davidlovepianos@comcast.net >> >> >> >> >> >> >> >> _______________________________________________ >> >> pianotech list info: https://www.moypiano.com/resources/#archives >> >> >> >> >> > >> > >> > _______________________________________________ >> > pianotech list info: https://www.moypiano.com/resources/#archives >> > >> > >> > _______________________________________________ >> > pianotech list info: https://www.moypiano.com/resources/#archives >> > >> > >> >> >> _______________________________________________ >> pianotech list info: https://www.moypiano.com/resources/#archives >> > > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > > Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. 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