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thermapen calibration

I just thought I would be funny and answer my sons homework question of what temp does water boil with my themapen.  problem is it read at 209 with rapidly boiling water.  Is it hard to recalibrate? I thought with these you would not ever have to.


  • Rusty RoosterRusty Rooster Posts: 1,239
    If it needs calibration, you will have to send it back to them.  Good news is I have always heard they do not charge to do it.
  • NanookNanook Posts: 846
    What altitude are you at?
  • SkiddymarkerSkiddymarker Posts: 8,166
    Also depends where you live and the weather. Lower pressure means a lower boiling point. If nasty weather is on the way and the barometer is dropping, water will boil at a lower temp. If you live above 1000ft above sea level, water will boil at a lower temp. 
    The real determining factor is pressure - either due to weather or altitude. Your Thermapen is probably OK. 
    Delta B.C. - Move over coffee, this is job for alcohol!
  • I am in Atlanta and no storms on horizon. Will try the cold way and see what happens.
  • posterposter Posts: 446
    ya your only talking 3 degrees. What your boiling isn't "pure" water either. lots of minerals and other good stuff in there
  • freddyjfreddyj Posts: 129
    What does it temp ice water?
    Kamado Joe Big Joe, Classic & Junior
  • MeTedMeTed Posts: 651
    Wow, great answer.
    Belleville, Michigan

    Just burnin lump in Sumpter
  • henapplehenapple Posts: 15,822
    @Skiddymarker‌ a six today for $4.58. The rest of your comment was so far over my head I felt like little Steven. Ugh.
    Green egg, dead animal and alcohol. The "Boro".. TN 
  • SkiddymarkerSkiddymarker Posts: 8,166
    edited August 2014
    henapple said:
    @Skiddymarker‌ a six today for $4.58. The rest of your comment was so far over my head I felt like little Steven. Ugh.
    Guess because we have a 10 cent per can deposit fee in BC, the actual cost was only $6.90CDN or around $6.25 in "real money". Nowhere near as good as your $4.58. 
    When I lived in Villa Park Il, used to get a 24 of PBR for <$5.00 .....those were the days. 
    Delta B.C. - Move over coffee, this is job for alcohol!
  • bcsnavebcsnave Posts: 1,010
    Well, because I had nothing else to do, except sit on the deck with my third PBR (they were on sale for $7.50CDN a six pack - that's about $6.80 USD - @henapple would be proud of me) the altitude of Atlanta is between 750 and 1100 feet (highest of major US cities east of the Mississippi (learn something every day) the current barometric pressure is 29.85" and yesterday it was 29.75" so that calculates to a boiling point of water of just over 210ºF. The accuracy of a Thermapen is +/- .7ºF, so if the Thermapen read 209ºF it could be well within its design criteria. 
    Are you really sayin PBR in Pabst Blue Ribbon?

    The Dude..a Mini and a Large Egg..a DigiQ DX (BGE Green)..some Cast Iron...a Thermapen.............and an Ol' Fashion


    Glenbeulah, WI

  • stemc33stemc33 Posts: 3,567
    @double_ds‌, the bad news is your Thermapen is broke. The goods news is I'll take it off your hands for $12.99 + shipping. :D
    Mini Max with Woo stone combo, LBGE, iGrill 2, Plate Setter, 
    two cotton pot holders to handle PS
    Banner, Wyoming
  • SkiddymarkerSkiddymarker Posts: 8,166
    @bcsnave - Yep, PBR - what you said...
    Delta B.C. - Move over coffee, this is job for alcohol!
  • Ice water was right at 32/33.   glad all is well since I use it almost every night.  By far the  most used tool in my arsenal.
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