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IR Thermometers

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Comments

  • nolaegghead
    nolaegghead Posts: 42,109
    HeavyG said:
    nolaegghead said:
    Pure nitrogen is dry nitrogen.  O2 degrades and leaks through the rubber faster than N2.  You get less pressure change with temp with N2 vs air.
    Consumer Reports did a test a while back and found that tires filled with air only lost about 1 psi more than the same tires filled with nitrogen over the course of one year. I don't find that to be significant but I'm sure there are some folks that would.

    The Ideal Gas Law would disagree about the differences in the change of pressure vis a vis temps between nitrogen and air.

    For 99.9% of car drivers nitrogen has no significant advantages in tires over air.

    Nitrogen does offer some small advantages and if you can get your tires filled for free (like I can at Costco and my dealer)  then why not. If one has to pay extra for it like a lot of places try to charge then...
    True.  1.3 PSI on average.  The main advantage with nitrogen is if you have a high performance car where the tire temp fluctuates greatly.  The nitrogen is inherently drier (almost zero moisture).  Any moisture in your tires makes the pressure spike when they get hot - like at the track, or if you drive like my brother.
    ______________________________________________
    I love lamp..
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  • Carolina Q
    Carolina Q Posts: 14,831
    I suspect the OP is scratching his head right about now thinking, "Man, I just wanna cook a burger!"

    I hate it when I go to the kitchen for food and all I find are ingredients!                                                                                                                                                                                                                           

    Michael 
    Central Connecticut 

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  • NPHuskerFL
    NPHuskerFL Posts: 17,629
    @Carolina Q :lol: ^^^ was just thinking the same thing. Now let's talk about the benefits of using helium in tires.... :wink: 
    LBGE 2013 & MM 2014
    Die Hard HUSKER & BRONCO FAN
    Flying Low & Slow in "Da Burg" FL
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  • HeavyG
    HeavyG Posts: 10,380
    Carolina Q said:
    I suspect the OP is scratching his head right about now thinking, "Man, I just wanna cook a burger!"
    Yeah, but does anybody really use an IR thermo to do that????
    “Reality is that which, when you stop believing in it, doesn't go away.” ― Philip K. Diçk




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  • bettysnephew
    bettysnephew Posts: 1,191
    Sorry to have started such a hubbub! I should have pointed out that the shiny copper boiler on my espresso machine reads WAY lower on the IR than the 253°F it is set at  (and verified with a contact thermometer). Just didn't want someone to be badly burned if they measured something shiny that didn't register properly and then touched that object.
    A poor widows son.
    See der Rabbits, Iowa
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  • Toxarch
    Toxarch Posts: 1,900
    Water boils at 212° +/-. Why set a copper boiler to 253°? Only way to get there is under high pressure or when it's empty.
    Aledo, Texas
    Large BGE
    KJ Jr.

    Exodus 12:9 KJV
    Eat not of it raw, nor sodden at all with water, but roast with fire; his head with his legs, and with the purtenance thereof.

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  • bettysnephew
    bettysnephew Posts: 1,191
    Sorry, I've been out of commission due to a computer crash. The temp is set at 253°F as it is a heat exchanger. The water for the espresso flows through a tube inside the boiler and is heated to 200° as it is pumped through the ground coffee. The boiler is kept under pressure to provide steam to froth the milk for lattes and cappuccinos.
    A poor widows son.
    See der Rabbits, Iowa
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