The PB600-1 dispenser has virtually unlimited applications when there is a need to deliver liquid volumes of 0.2 to 50 μL repeatedly up to 50 times before refilling. Some typical uses of the PB600-1 include preparing standard solutions, filling microliter trays, feeding cell cultures, spotting TLC plates, dispensing VDRL antigen, human leukocyte locus-A (HLA) tissue typing, and dosing small animals. Industrial applications include lubricating small bearings or parts, applying liquid solder, and dispensing mercury.