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Snow Thermometers

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  • Snow Thermometers

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    I’ve been tinkering again.

    I wanted some spirit thermometers for working in sub zero temperatures. They are useful for tracking the weather and snow conditions.

    I found some simple thermometers on a brewing site that spanned the range I needed +50°c to -42°c. They came in a simple plastic case which protected the glass in transit and even provided a hanging loop which is useful, but if I’m going to leave a couple of these hanging on tree branches, I wanted something a little more robust for when they are in use.

    So, sifting through some brass tube in my engineering chest, I found one just the right size and made sleeves for a couple.

    Handily, they still fit into the plastic sleeve for transport as well which is a bonus.

  • #2
    Brilliant! The clip on hiking ones available are junk. There just to small to read with any accuracy.


    • #3
      Be nice if they did a max-min version


      • #4
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        I carry a Kestrel 4000 weather meter to track temperature and other metrics.

        I just like having an analogue solution as well.
        Last edited by Wayland; 12-14-2021, 09:39 AM.


        • #5
          I like that Kestrel. Batteries are always an issue though- either you carry a lot of them and keep them warm, or you are carrying a lot of them, keeping them warm, and constantly recharging.

          Had an analog thermometer break on me that went to -40F. Since then I have kept an eye out for one with a ‘more crazy’ sub freezing rating.


          • #6
            I use Lithium cells and so far haven’t had them wimp out on me down to -30°c

            It reads quickly if I’m not tracking I carry it in my pocket and have used it down to -38°c that way.


            • #7
              I'll be on the hunt for an analog solution soon. My last one was way off. Good idea on the brass sleeve!


              • #8
                That's great. Usually, the snow thermometers are not very accurate. I have two of them and I cannot rely on them.


                • #9
                  Originally posted by shahmeer View Post
                  That's great. Usually, the snow thermometers are not very accurate. I have two of them and I cannot rely on them.
                  Have you compared them against a known example?

                  I bought eight, compared them against a certified lab thermometer and gave away the four least accurate ones. ( In fairness, they were all within one degree. )

                  End result is that I am confident that I can trust these now.