18 Positive displacement principle
Biomaster ® 4830
Contamination free pipetting in
combination with Mastertips, the
syringe-style, positive displacement
tip, for guaranteed accurate pipetting
of viscous solutions or liquids with
high-vapor pressure.
Varispenser ® 2/2x
Varispenser 2/2x are ideal for dispensing aliquots
of liquid from supply bottles. Available in 6 sizes for
0.2–100 mL and fully autoclavable. Varispenser 2x has
a recirculation valve which prevents reagent loss while
ventilating.
Varipette ® 4720
The Varipette is a continuously
adjustable pipette that works according
to the positive displacement principle.
Thus the pipette is especially designed
for precise pipetting of liquids with
high vapor pressure or viscosity. The
Varitip ® P and S system are tailored to
different vessels.
Eppendorf Top Buret ™
The Eppendorf Top Buret sets standards for manual
titration. Its pulse-free dispensing technique allows
continuous dispensing of liquid with precision values
within required limits.