HEKA's pipette holder are made of extremely low-noise polycarbonate, offers two major improvements that virtually eliminate pipette movement and air leakage by elongation of the holder's cap and addition of a third O-ring.
The longer cap allows for the insertion of a small polycarbonate cylinder, keeping the first O-ring firmly in place, even after removal of the cap for cleaning purposes.
keyword : electrophysiology, electrodes, holder, heka