Tank And Drum Capacities - JOBO 3012 Manual

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Tank and Drum Capacities

Introduction
This information is the most current as of its posting. Please use this information, if there is a conflict with previously
published materials.
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Important
There are many things to consider when determining the volume requirements for processing.
The 'Minimum Volume' stated in the charts below is just the amount of solution that is required to physically cover the film
or paper with a level of solution. Never run a process with less than this volume of solutions. Partially unprocessed film or
prints will result when using too low a volume.
These volumes are for rotary processing only.
If these tanks or drums are used in any other fashion, such as inversion (hand) techniques, or any procedure that does
not have constant agitation, more volume will be required.
These minimums require accuracy.
Accurately measure your volumes. The tank or drum has to be completely level. If the tank or drum end facing away from
the magnet or lift coupling is floating above the rollers, the higher end will not be sufficiently covered in solutions. Adjust
the level of the water bath until the end no longer floats.
Place a level on the tank or drum. Adjust the leveling of the processor, if necessary.
The 'Minimum Volume' is not necessarily the volume you need to use for processing.
Consider the requirements of your specific chemicals, in combination with the specific film or paper being processed. Note
extended dilution (if used). Be sure that the volume required for the square footage (or meters) is sufficient to properly
process the amount of film or paper in your tank or drum.
If you are unsure of these requirements, check with the chemical or film manufacturer for their specifications. In all cases,
if this volume required for the amount of film or paper is higher than the 'Minimum Volume', use the chemical
manufacturer's requirements as your "minimum".
Always compare these two figures and use the higher one as your "minimum."