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Digital Caliper Issue

Discussion in 'METROLOGY - MEASURE, SETUP & FIT' started by speedre9, Jun 22, 2016.

  1. speedre9

    speedre9 United States Active User Active Member

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    Got me a Mititoyo 6 " caliper way back when. I have changed out the battery several times without issue. This time when I changed the battery when I turn it on I get a negative measurement of -1.1280". If I zero it out and press the abs button it sets to zero. When I shut it off and restart it I get the same thing, oh and once in a while it will bounce around between -1.128 to 0.0050. What do you guys think, is it fried or what. I don't know.
     
  2. bill stupak

    bill stupak United States Active Member Active Member

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    I have a 6" Mitu that goes a little wonky about once a year. I usually take it apart and clean with denatured alcohol and it always fixes it. I did read somewhere that you could buy new internals for them though. Bill
     
  3. Groundhog

    Groundhog United States H-M Supporter - Premium Content H-M Supporter-Premium

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  4. Holescreek

    Holescreek Active User Active Member

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    Close the jaws and press the origin button.
     
  5. speedre9

    speedre9 United States Active User Active Member

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    According to the Mitutoyo site the reading unit is shot, not only shot but obsolete and no longer available.
    Luckily I bought a 12.00" digital Shars unit to replace it. I no longer need the super accuracy of the Mitutoyo brand

    Thanks for the comments guys
     
  6. ARKnack

    ARKnack United States Active Member Active Member

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    Myself, I never turn off my Mitutoio caliper. I've seen several articles that battery consumption does not change on or off. Which makes since because LCD displays draw negligible power and the electronics are always on to keep the absolute reading value.

    One other thing is to use Silver Oxide batteries. Not alkaline batteries. Much longer life. It's been several years since I've changed my battery.
     
  7. Wreck™Wreck

    Wreck™Wreck United States Active User H-M Supporter-Premium

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    I have 2 Digital Mits calipers, now I work in a coolant rich environment which plays hell with the non IP65 tools so use only dial calipers now.

    They work fine again after they dry out, as noted above the batteries last me a year or more and I use them every day just not inside the machine enclosures where the coolant drips from the top like rain (-:
     
  8. FOMOGO

    FOMOGO United States Active User H-M Supporter-Premium

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    Mine gets used a lot, and I've never had any issues (knock wood). Still waiting for the original battery to die after 15yrs or so. I clean it well 1-2 a year. Have a HF ir temp gun that has the orig. battery. I swear I've had that thing for 20yrs. Now flashlights, not so much. Mike
     
  9. Groundhog

    Groundhog United States H-M Supporter - Premium Content H-M Supporter-Premium

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    Update on the reset video above. I have a Mitutoyo SC-6" P caliper that would always start out at 0.001" until I reset zero, which was a tempory reset. It never seemed to matter how long I held the Zero button it always restarted at 0.001". Finally I read somewhere that you really need to use a paperclip to hold the "Zero" button down (after removing and reinserting the battery). There must be a second level for the Zero button that a paperclip reaches and your finger does not. My caliper has been reset to start out at 0.000" since I used the paper clip!
     
  10. Boswell

    Boswell United States Hobby Machinist since 2010 H-M Supporter-Premium

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    I have several Mitutoyo Calipers that are all Solar powered. They have been working perfectly and I never need to find a battery. I just with my other battery powered tools could incorporate solar panels
     
  11. EmilioG

    EmilioG United States Active User H-M Supporter-Premium

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    I had some issues with my 8"digital Mitutoyo until I demagnetized it. All is well now.
    Same battery for two years now. I will remove the battery for storage though.
     
  12. Uglydog

    Uglydog United States Active User H-M Supporter-Premium

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    Sorry,
    I like my verniers.
    Yep, sometimes I gotta squint.
    But, they always work.

    Daryl
    MN
     
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  13. Bamban

    Bamban United States Active User H-M Supporter-Premium

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    You probably still have your slide rule like I do... cheers.
     
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  14. Silverbullet

    Silverbullet Active Member Active Member

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    I USE an abacus and stone chisel.
     
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