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Thread: sap hydrometer correction factor?

  1. #1
    Join Date
    Feb 2007
    Location
    Bradford, PA
    Posts
    244

    Default sap hydrometer correction factor?

    I have a sap hydrometer that is calibrated for 38 degrees. Does anyone know if there is a correction factor you can apply to your reading, say if your sap is 34 degrees or 44 degrees?
    Beth in Bradford, PA
    2x6 Lightning, new Smoky Lake syrup pan for 2017
    270 taps on tubing, 20+ on buckets
    2018 - son made me an automatic drawoff, yet to be tested
    2018 - hubby made me a 2-handed tubing tool, works great!!!!

  2. #2
    Join Date
    Feb 2006
    Location
    Catskill Mountains
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    Default

    Beth, I don't know of any calibration, I don't worry about myself, but... if you take a reading of water at the other temps and see how far off 0% it is, I think you would have your answer. Yes I did used to teach science.

  3. #3
    HanginAround Guest

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    Sap density changes very little with temp, so I don't think you have to worry about it at all. You're probably only talking a tenth of a Brix over many degrees.

  4. #4
    Maple Hill Sugarhouse Guest

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    post edited
    Last edited by Maple Hill Sugarhouse; 12-01-2008 at 03:40 PM. Reason: FLIM-FLAMED

  5. #5
    Join Date
    Feb 2007
    Location
    Bradford, PA
    Posts
    244

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    Thanks! I guess a few degrees doesn't make a huge difference, but I was hoping since my sugar percent has always been poor here. I got a reading of 1.5% a few days ago, on sap just 2 degrees higher than the calibrated temp, and was hoping that it was going to magically change to 3% somehow.
    Last edited by PA mapler; 03-04-2007 at 03:20 PM. Reason: typo
    Beth in Bradford, PA
    2x6 Lightning, new Smoky Lake syrup pan for 2017
    270 taps on tubing, 20+ on buckets
    2018 - son made me an automatic drawoff, yet to be tested
    2018 - hubby made me a 2-handed tubing tool, works great!!!!

  6. #6
    Join Date
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    BECKLEY, WV (SUGARHOUSE DAWSON, WV)
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    Talking

    Me too!!!!!!!
    Brandon

    CDL dealer for All of West Virginia & Virginia
    3x10 CDL Deluxe oil fired
    Kubota M7040 4x4 Tractor w/ 1153 Loader hauling sap
    2,400+ taps on 3/16 CDL natural vacuum on 9 properties
    24x56 sugarhouse
    CDL 1,000 2 post RO


    WEBSITE: http://danielsmaple.com

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