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Thread: Digi-Router

  1. #1
    Join Date
    Nov 2006
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    Albuquerque, New Mexico
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    1,099

    Digi-Router

    Anyone have the Digi-Router Retrofit on their JessEM MAST-R-LIFT?
    Do you like it? Their website says “Accurate to 0.010 inches (resolution to 0.001 inches, 0.01mm)” Can you accurately make .002 movements with it by using the digital display?
    I’m thinking about getting one for my Bench Dog lift but the “accurate to .010” has me a little confused….
    Last edited by Bruce Page; 02-02-2008 at 05:10 AM.
    "I am enclosing two tickets to the first night of my new play; bring a
    friend...if you have one."
    --George Bernard Shaw to Winston Churchill

    "Cannot possibly attend first night, will attend second..if there is
    one."
    --Winston Churchill, in response




  2. #2
    Join Date
    May 2007
    Location
    Orem, Utah
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    935
    It sounds like the "significant digit" stuff they taught us in Science class. We always had to drop the last measured digit, because it was read "between the lines" on the ruler or the graduated beaker or whatever.

    Gee, that was a long time ago....

    Anyway, sounds like the device is more "precise" than it is "accurate". It would be tempting to trust a reported delta of .002, but I can't say whether that's a sound move or not.

  3. #3
    Join Date
    Nov 2006
    Location
    Albuquerque, New Mexico
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    1,099
    I sent digi-kit.com an email asking the same question.
    "I am enclosing two tickets to the first night of my new play; bring a
    friend...if you have one."
    --George Bernard Shaw to Winston Churchill

    "Cannot possibly attend first night, will attend second..if there is
    one."
    --Winston Churchill, in response




  4. #4
    Join Date
    Sep 2007
    Location
    Shorewood, WI
    Posts
    97
    Accurate to 0.01" means that if you set it to a given setting, it should be within 0.01" of that distance. Resolution to 0.001" means that you can change the setting by that amount and see the difference. One is an absolute (accuracy) and the other is relative (resolution or precision) to where you happen to be.

    As a practical matter, it means that if you want to cut to 0.01" accuracy, you just set it digitally. If you need 0.001" accuracy, you make a test cut, measure how much it's off, and then change the setting digitally to get what you want.

    It sounds good to me.

  5. #5
    Join Date
    Nov 2006
    Location
    Albuquerque, New Mexico
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    1,099
    So Alan, you’re saying that if I zero out and then using the digital readout raise the cutter exactly 1.000 (1”) it could be anywhere from .990 to 1.010?
    "I am enclosing two tickets to the first night of my new play; bring a
    friend...if you have one."
    --George Bernard Shaw to Winston Churchill

    "Cannot possibly attend first night, will attend second..if there is
    one."
    --Winston Churchill, in response




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