Boston GP-178 grand. No bottom cover. Six rods totalling 195 watts. Top of humidistat is 2" below soundboard panel. No humidifier (room never gets below 40% RH. No light kind. Left probe on humidistat for 20 minutes or so - plenty of time for full equalization No, I am not aware of barometric pressure influence on RH. Checked RH this evening. Right at 58% RH. Rods stone cold. Terry Farrell ----- Original Message ----- From: "Don" <pianotuna@accesscomm.ca> To: "Pianotech" <pianotech@ptg.org> Sent: Monday, December 02, 2002 6:22 PM Subject: Re: Humidistat Accuracy > Hi Terry, > > Please give us a bit more information. I think you have a Boston Piano? > Grand? Upright? Bottom Cover (or back cover)? How many dehumidifier rods? > How far from soundboard is Humidistat? How far is hum from humidifier? How > far is hum from drier bar(s)? Three light kind? Smart Bar? How long did you > leave your probe on top of the humidistat? Did you chart against barometric > pressure for a true R.H. reading?
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