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We didn't have a cooking thermometer..

Discussion in 'Off-Topic Members Lounge' started by Rixen, Mar 31, 2018.

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  1. Rixen

    Rixen

    98
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    Feb 16, 2016
    So, may I present...
    The Fluke meat thermometer with a PT1000! :D

    [​IMG]

    Easter dinner with my brothers. 1331.8 Ohm was the target, man, it turned out perfectly!
     
    (*steve*) and Ian like this.
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    11,522
    2,654
    Nov 17, 2011
    Step 2: wirelessly send the temperature to the PC, then evaluate the target temperature and use your home automation system to turn off the oven once the meat is done ;)

    Happy Easter.
     
    Rixen likes this.
  3. Rixen

    Rixen

    98
    23
    Feb 16, 2016
    Definitely the next step!:D
     
  4. dave9

    dave9

    1,092
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    Mar 5, 2017
    It's nice to use what one has on hand, but keep in mind that digital thermometers with a spear tip (much better for meat) are under $3 delivered on eBay. :D
     
  5. Harald Kapp

    Harald Kapp Moderator Moderator

    11,522
    2,654
    Nov 17, 2011
    However definitely not that precise. You wouldn't want to miss that final touch to the tenderness of the meat that only a precise instrument can give. Nor would you want to spend more energy on heating the oven than necessary.

    A loaf of meat has a specific heat of ~3 kJ/(kg * °C) (from here). The piece of meat in the op's picture looks about 2 kg in mass. Therefore we have an energy requirement of ~6 kJ/°C. Exceeding the target temperature by only 1 °C results in 6000 Ws of excess energy or 1.7 Wh.
    There are ~ 2 billion adherents to christianity in the world (wolfram alpha). Assuming an average of 4 persons per household (my estimate), we get ~500 million households. Let only 0.1 % of those households have a tender piece of meat for Easter, that makes 500000 pieces of meat. If each piece is on the average 2 kg, then the energy wasted worldwide by overheating the Easter roast by 1 °C is
    0.87 MWh

    Doesn't this justify the investment in a good instrument? ;)
     
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