Series 2000 Pipettes provide unmatched ease of operation and safety. The volume adjustment with locking button allows easy, one-handed changes, and locks the setting in place. Fully autoclavable at 121°C, UV and chemical resistant. Digital display window clearly shows volume setting while pipetting. Eight adjustable models from 0.1µl to 2.5 mL, and 28 fixed volume models from 1µL to 2.5mL. Individual calibration certificate, and three year warranty.