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Thread: Differences between CPE-2 and CPE-2 Plus

  1. #1

    Join Date
    Dec 2009
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    Differences between CPE-2 and CPE-2 Plus

    Hello,

    I am on the point of buying a Jobo CPE-2/CPE-2 Plus processor and I'm wondering two things :
    1. What are the main differences between the Jobo CPE-2 (the classic one) and the Jobo CPE-2 Plus processors ?
    2. Is it a good idea, to make the water circulate to add a little pump like the ones for the aquariums ?


    Thank you in advance for your response.

    Jean-Romain.

  2. #2
    Greg Greg Blank's Avatar
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    Re: Differences between CPE-2 and CPE-2 Plus

    Of the two buy the CPE2+. The Cpe was discontinued some years back so the CPe2+ is newer. The motors and electronic components are not specifically compatible.

    Quote Originally Posted by jrpac View Post
    Hello,

    I am on the point of buying a Jobo CPE-2/CPE-2 Plus processor and I'm wondering two things :
    1. What are the main differences between the Jobo CPE-2 (the classic one) and the Jobo CPE-2 Plus processors ?
    2. Is it a good idea, to make the water circulate to add a little pump like the ones for the aquariums ?


    Thank you in advance for your response.

    Jean-Romain.

  3. #3

    Join Date
    Feb 2008
    Posts
    1,210

    Re: Differences between CPE-2 and CPE-2 Plus

    You already know the Expert drums don't fit any of the CPE series processors. Right?
    If you plan of using them get a CPA2 or CPP2.
    Last edited by dsphotog; 9-Apr-2010 at 19:59.
    Real cameras are measured in inches...
    Not pixels.

    www.photocollective.org

  4. #4

    Join Date
    Aug 2008
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    Germany
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    Re: Differences between CPE-2 and CPE-2 Plus

    A circulation pump is no good idea unless you operate the thing in a unusually hot or cold room - it has been designed so that the convective flow and thermostat hysteresis are balanced to get a reasonably stable temperature matching the scale value at the drum. Upset that balance and you will get more temperature drift.

  5. #5

    Join Date
    Dec 2009
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    4

    Re: Differences between CPE-2 and CPE-2 Plus

    Hello,

    Thank you for your response.

    About the differences between the two products, I had an answer from JOBO Support.

    The "old" CPE-2 processor was designed with a motor which manufacturer doesn't exist anymore. The CPE-2 Plus has so a motor from another company and some of the electronics - including PC board - was changed too.

    Sevo : thank you for the advise !

    JR.

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