Coastal Dampp-chaser calibration

[Andrew and Rebeca Anderson]

Thanks Terry.

At 01:31 PM 8/8/2007, you wrote:
>"With a DC system the hygrometer controlled dehumidifier..."
>
>Hygrometer is an instrument one can use to measure relative humidity 
>in air. Humidistat is an electronic device that senses RH and can 
>regulate a dehumidifier and/or humidifier.
>
>Terry Farrell
>----- Original Message -----
>As Steinway generally puts is, controlling the whole room is best 
>but not always feasible and when that is the case a DC system is the 
>way to go.  If I understand you correctly, you have measured the 
>humidity and have not noticed any lows dipping into the forties 
>during the active season there.  If that is the case, a DC 
>dehumidifier only system with under/back covers would prove adequate 
>for the summer performance season.  The low winter temperature if 
>kept steady will probably keep a steady humidity profile for the 
>pianos.  With a DC system the hygrometer controlled dehumidifier 
>bars will shut off when they are not needed and you don't have to 
>worry about baking the piano.
>
>I doubt a full system with humidifier would be properly maintained 
>if the camp is shut down for the winter.  You mention they are in a 
>room kept to 50 degrees.  I don't know how cold that area gets but 
>it is possible that humidity levels are acceptably high-enough 
>during the winter.  Of-course putting a hygrometer in the room that 
>tracks high and low extremes would reveal any problems.  Since it is 
>a presumably small room it may be possible to plumb in a low 
>maintenance humidifier if that is needed for the winter.
>
>Good Luck,
>Andrew Anderson

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