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Helpful Hints
Helpful Hints
1.
There are three core variables to the Ultra 2400 dispensing workstation: time, pressure and
vacuum. Adjust just one of these at a time, in small increments, to achieve the correct deposit.
2.
Another variable is tip size. Choose the right tip for the deposit type. Remember, smaller tips
require more pressure and more time. Try different tips without changing the time or pressure
settings and observe the results.
3.
Tapered tips reduce the amount of air pressure needed to dispense thick materials. They also
help prevent drooling at the end of a dispense cycle.
4.
To ensure smooth fluid flow and to make consistent deposits, keep the dispense tip at a 45°
angle to the work surface.
5.
Use EFD SmoothFlow pistons to make barrel loading, dispensing and handling cleaner, safer and
more accurate. Caution: If you dispense watery fluids and choose not to use EFD pistons, do not
increase vacuum pressure rapidly and do not tip the barrel. Vacuum may pull fluid into the
adapter hose; or if the syringe barrel is tipped, fluid may flow back into the dispenser.
6.
Always use new EFD syringe barrels and tips. Carefully dispose of after use. This procedure
ensures maximum cleanliness, prevents contamination and provides proper safety.
7.
Do not completely fill the syringe barrel. For most fluids, optimum fill is a maximum 2/3 of the
barrel capacity. For cyanoacrylates or watery fluids, optimum fill is 1/2 of the barrel capacity.
Suggestions on Settings
1.
To reduce air pressure, turn the knob counterclockwise until the display reads at a lower-than-
needed pressure setting. Then turn clockwise to increase pressure until you reach the correct
setting.
2.
Avoid high pressure settings with very short time settings (example: 80 psi; 5.5 bar at less than
0.01 seconds). The ideal setup matches air pressure and tip size to create a “workable” flow
rate – no splashing, but not too slow either – with a time setting that is not extremely low.
3.
With any fluid, always give the air pressure time to do its job. Moderate time and pressure
provides the best results since dispensing pressure remains at its peak for a longer period of
time.
4.
Longer dispense time settings generally provide the highest accuracy. However, in the interest of
cost-effective production, do not use excessively long dispense time settings. Experiment to find
what works best for your application.
