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Thread: JOBO COLOR THERMOMETER 3321; any experiences?

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    Ron (Netherlands)'s Avatar
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    JOBO COLOR THERMOMETER 3321; any experiences?

    Any experiences with this one? Btw I want to use it for B&W film development.

    thanks
    Ron
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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    I used it exclusively, though, be sure to get one which is NOT split, as not all of them are able to be righted without damage.
    When not split, they are some of the best alcohol/spirit units available.
    My 2c.

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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    Quote Originally Posted by Ron (Netherlands) View Post
    Any experiences with this one? Btw I want to use it for B&W film development.

    thanks
    Ron
    Not sure why you need the extra accuracy for B&W development. What kind of setup are you using?

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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    They are accurate thermometers. However, they break easily and the one I had contained mercury so cleaning it up off the basement floor was a huge and dangerous headache. More robust mercury thermometers like the Kodak models have a metal jacket that makes breaking them far harder.

    I've heard the newer ones do not contain mercury, but I would stay away from them unless you know for certain.

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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    Actually, I think, one of these copies of 3321 is mercury-free. I guess the one with the dark, big blue tip.



    If I was you I would look for a metal one and calibrate it using a fever thermometer. It would save you a few bucks.
    Last edited by onnect17; 5-May-2016 at 16:59.

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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    Thanks all for your replies. Indeed I'll have a look into the metal ones.

    Quote Originally Posted by onnect17 View Post
    Not sure why you need the extra accuracy for B&W development. What kind of setup are you using?
    No special set up....
    I just do not want to be limited by a thermometer with whole degrees and was curious about the Jobo
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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    Quote Originally Posted by Ron (Netherlands) View Post
    Thanks all for your replies. Indeed I'll have a look into the metal ones.


    No special set up....
    I just do not want to be limited by a thermometer with whole degrees and was curious about the Jobo
    You will always have more control if you use the room temperature, if possible.

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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    Quote Originally Posted by onnect17 View Post
    You will always have more control if you use the room temperature, if possible.
    Thanks for the advice!
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    Re: JOBO COLOR THERMOMETER 3321; any experiences?

    I keep the 2 that came with my CPA-2 together in the original packaging with the unit when not in use. Both thermometers have practically identical readings. I just checked and the F reads 68.5F and the C 22.4C (68.76F).

    Thomas

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