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  1. 02-13-2013, 10:22 PM #1
    double bogey's Avatar
    double bogey
    double bogey is offline Professional Member*
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    AK900 Thermisters

    Are the AK900 thermisters compatible with the Testo 550? Not the connections, but do the thermisters share the same temp/ resistance curve. I have a couplr for the Testo that was stolen, thought I might change connectore and re-use them.
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  2. 02-13-2013, 11:44 PM #2
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    itsiceman
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    Quote Originally Posted by double bogey View Post
    Are the AK900 thermisters compatible with the Testo 550? Not the connections, but do the thermisters share the same temp/ resistance curve. I have a couplr for the Testo that was stolen, thought I might change connectore and re-use them.
    They are different.
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  3. 02-14-2013, 02:13 AM #3
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    mark beiser
    mark beiser is offline Professional Member*
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    Digi-Cool uses standard 10k @25ΊC NTC thermistors.
    Testo's NTC thermistors have a different resistance curve, no idea if they have the same specs as any commonly available thermistors.
    If more government is the answer, then it's a really stupid question.
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