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  1. #21

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    Digital thermometers can be found that are also NIST-traceable, meaning their absolute, not only relative values are accurate. Cooper makes their NIST-traceable DPS300, -58deg to +302deg F, or in Centigrade if you like, for about $35. The Cooper DPS300 cannot be fully immersed, just the sensor stem which is about 5" long and made of stainless steel. It has some more rather neat features.
    [FONT="Arial"][/FONT]John Weinland

  2. #22
    ic-racer's Avatar
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    Quote Originally Posted by PKM-25 View Post
    I had a Kodak one up until about two weeks ago. I got done using it, went to put it back into the 1 liter graduate that I typically stored it in and it slipped out of my hand and fell about 4" inches into the graduate and cracked.

    I will never waste my money on one of those again, my cheaper dial ones all read the same as the fragile Kodak one anyway, just as fast and just as accurate...
    Your Kodak thermometer broke mounted in the metal support? I consider my Kodak thermometer to be my most durable because of the protective support.

  3. #23

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    This is a great product! I found some more information on this website: http://www.medicalexpo.com/medical-m...meter-207.html

  4. #24

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    I have this one http://www.ebay.co.uk/itm/1111902505...%3AMEBIDX%3AIT
    Yes it is china and cheap but works great, my film mentor is using the same and he is happy. Thermometer shows 0.1 degree and acts fast.

  5. #25
    mweintraub's Avatar
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    Quote Originally Posted by pdmk View Post
    I have this one http://www.ebay.co.uk/itm/1111902505...%3AMEBIDX%3AIT
    Yes it is china and cheap but works great, my film mentor is using the same and he is happy. Thermometer shows 0.1 degree and acts fast.
    For those who want to order from Amazon, I found the same on there: http://www.amazon.com/Signstek-6802-...e+Sensor+Probe

  6. #26

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    Quote Originally Posted by mweintraub View Post
    For those who want to order from Amazon, I found the same on there: http://www.amazon.com/Signstek-6802-...e+Sensor+Probe

    "Accuracy: ±0.1 °C ± 0.4 Operating"

    It is not an easy task to build a cheap and accurate digital thermometer....

  7. #27
    mweintraub's Avatar
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    Quote Originally Posted by JaZ99 View Post
    "Accuracy: ±0.1 °C ± 0.4 Operating"

    It is not an easy task to build a cheap and accurate digital thermometer....
    Yeah, you get what you pay for. I've also read that the "over the counter" home C-41 kits aren't as temp sensitive as the large machine ones.

  8. #28

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    You still get what you pay for. Do you believe everything you read? Or do you honestly think that a dirt cheap HVAC thermometer is going to be any good in a darkroom?

  9. #29

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    Quote Originally Posted by DREW WILEY View Post
    Or do you honestly think that a dirt cheap HVAC thermometer is going to be any good in a darkroom?
    What's a HVAC thermometer and is this a reference to one that has been referred to in the posts, if so which one?

    Thanks

    pentaxuser

  10. #30

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    HVAC is the kind of trade that fixes your wall heater or air conditioner. Ducting etc. Hot air, cold air. Different application, different temp ranges, and even in that trade any real pro spends several hundred dollars on a meter, not thirty bucks. Worthless in a darkroom, unless you
    are just trying to warm your butt.

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