Pianotech

  • 1.  psychrometric chart

    Posted 03-06-2019 08:44
    Having trouble reading the psychrometric chart I have in my shop. Trying to find chart that gives me:  @ a given RH/temp F, change in temp results in what new RH   ​

    ------------------------------
    Jim Ialeggio
    grandpianosolutions.com
    Shirley, MA
    978 425-9026
    ------------------------------


  • 2.  RE: psychrometric chart

    Member
    Posted 03-06-2019 10:53
    just google temperature humidity charts and you will get a ton of possibles

    ------------------------------
    James Kelly
    Pawleys Island SC
    843-325-4357
    ------------------------------

    Original Message


  • 3.  RE: psychrometric chart

    Posted 03-06-2019 11:16
    JIm, the attached table should work.  The example shows current temp = 60°F at 26 %RH.  Move horizontally to the 75°F column and read the resulting humidity = 16%RH.  PM me and I'll send you the Excel spreadsheet which produced this table with the psychometric equations.



    ------------------------------
    John Rhodes
    Vancouver WA
    360-721-0728
    ------------------------------

    Original Message


  • 4.  RE: psychrometric chart

    Posted 03-06-2019 15:55
    That's it John, and in the realm I need for my hot box (which currently is cool and has damppchaser pads in it.  I'll PM

    ------------------------------
    Jim Ialeggio
    grandpianosolutions.com
    Shirley, MA
    978 425-9026
    ------------------------------

    Original Message


  • 5.  RE: psychrometric chart

    Registered Piano Technician
    Posted 03-07-2019 09:41
    Search "equilibrium moisture content chart" and you'll come up with several links.  Here are two, one to a calculator and chart and one pdf.



    https://www.finewoodworking.com/FWNPDFfree/equilibrium-moisture-content-chart.pdf
    Finewoodworking remove preview
    View this on Finewoodworking >


    Csgnetwork remove preview
    Wood Equilibrium Moisture Content Table And Calculator
    Wood Equilibrium Moisture Content Calculator, included is a table of data.
    View this on Csgnetwork >


    Here's

    ------------------------------
    David Love RPT
    www.davidlovepianos.com
    davidlovepianos@comcast.net
    415 407 8320
    ------------------------------

    Original Message