Patent ID: 8128892
Filing Date: 2012-03-06
Classification: B01L

Abstract:
1. A hand-held, electronic multi-channel pipettor comprising: an upper handle portion adapted to be held in the hand of the user; a user interface display located on the pipettor; a lower portion having multiple aspiration cylinders and a plurality of repositionable pipette tip fitting assemblies, each comprising a pipette tip mounting shaft; a motor for moving the repositionable tip fitting assemblies to adjust the center line spacing between the tip mounting shafts; one or more microprocessors that control the motor; and software that programs the one or more microprocessors to operate the motor to position and reposition the repositionable tip fitting assemblies; wherein the software includes a tip spacing programming screen displayable on the user interface display that allows the user to select tip spacings for at least two desired settings.