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Using a Micropipettor

Author(s): Sonia Rahmati Clayton, PhD

Micropipettor: Introduction

A Micropipettor, referred to as a pipetman® in many labs, is a tool used to precisely measure liquids in microliters. Some micropipettors measure volumes up to 5 milliliters, but generally micropipettors are used to measure and dispense volumes smaller than one milliliter. Each micropipettor has an upper and lower volume dispensing limit. The lower limit is usually 10% of the upper limit. Most micropipettors have the volume ranges stated on the top of the plunger. The examples above show some of the typical volume dispensing ranges. Disposable tips, color coded by size, are used with micopipettors to hold the liquid being transferred.