Digital Variable Volume MicroPipette Single Channel Automatic Adjustable Volume Micro Pipette All pipettes have been quality tested according to ISO8655-2:2002 with calibration certificate. The quality control involves gravimetric testing of each pipette with distilled water at 22°C. Features: 1.Lightweight, comfortable, ergonomic, low force design 2.Digital display of volume setting 3.Volume range from 0.1μl to 5000μl 4.Easy to calibrate and maintain with tools supplied 5.Design helps avoid repetitive strain injuries