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4.4.  Tip Sealing and Electronic Tip  
 Ejection
The  pipette tips are recommended for use with  
eLINE® pipettes. The eLINE® multichannel pipettes are 
provided with a spring loaded OPTILOAD tip cones for 
optimal tip sealing.
For easy and effortless tip ejection all eLINE® 
electronic pipettes are equipped with the electronic 
tip ejection feature. There are two tip ejection buttons 
conveniently placed on the either side of the start 
button to ensure easy reach for both right and left 
handed users.
Tip ejection: When the pipetting cycle is completed, 
either of the buttons can be depressed to eject the tip.
NOTE: The tip ejection function is frozen during the 
pipetting cycle and can only be activated after the 
tip is emptied. If needed the pipetting cycle can be 
interrupted by pressing the enter button. The display 
will show E (E=empty) and the tip is then emptied by 
pressing the start button.
4.5.   Safe-Cone Filters
The tip cone design of the eLINE® pipettes (>10 µl) 
allows the use of  Safe-Cone Filters in the tip cones. 
These removable filters prevent liquids and liquid 
vapours from entering the pipette and thus protects 
the pipette from cross contamination and damage.
The Safe-Cone Filters are available as Standard or 
Plus versions. It is recommended to use the Standard 
Filter for general applications and the Plus Filter for 
more demanding applications. The filters need to be 
changed regularly. The interval for filter changing is 
application dependant but the recommendation is 
to change the filter daily (after 50 – 250 pipetting 
cycles) and always in case of over-aspiration. The  
filter forceps should be used to avoid touching the 
soiled filters by hand. (See Chapter 2.1. for ordering 
information.)