ATL 1500 temperature calibration

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Adrijan

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Joined
Mar 23, 2007
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4
Format
35mm
My ATL 1500 seems to have a misaligned water temperature.
BW with this machine should be developed at 24 deg Celsius. However, my ATL heats up the water bath to 25.5 deg Celsius repeatedly and constantly.
Is it possible to adjust the temperature to 24 deg?
I could adjust my development times to 25.5 deg. Is it good practice to develop with such a high temperature?

Berend
 

Chan Tran

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May 10, 2006
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I think you should check the manual. I think they are available at jobo website. I think that the higher temp is intentional so because the chemical in bottle tend to be a little lower than that of the water bath.
 
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Adrijan

Member
Joined
Mar 23, 2007
Messages
4
Format
35mm
Manual

My manual mentions C41 and E6 processes regarding a temperature offset, but not the SW process. The former processes should heat up the bath to 41 deg initially and let it cool down to 38.5 deg for the development.
My SW process actually heats up the water bath to 26.6 and it cools down to 25.5.
 
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