Liquid switching times in milliseconds without moving sewer pipes.

Perfusion Pencil® Multi-Barrel Manifold Tip

Rapid solution change with micro-liter dead volume
No piezo or stepper motor translation. No clumsy rotating valves.

Single-cell and patch delivery
For mounting on any micromanipulator.

Vacuum cross-contamination prevention
Use one tube to vacuum the tip volume clear between solution changes.

Solid construction
Easy to connect and clean.

Manipulator Pencil
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Pencil Tip Cross Section

Pencil Tip Cross

4 to 16 micro-bore tubes into 1 outflow

100 Micron Removable Tip

Pencil 100

Flow rates (+/- 0.05):
Gravity =  0
2 psi  = 0.07 ml/min
8 psi  = 0.25 ml/min

250 Micron Removable Tip

Pencil 250

Flow rates (+/- 0.05):
Gravity  = 0.35 ml/min
2 psi  = 1.66 ml/min
8 psi  = 5.16 ml/min

360 Micron Removable Tip

Flow rates (+/- 0.05):
Gravity = 1.15 ml/min
2 psi = 3.98 ml/min
8 psi = 10.66 ml/min

100, 250 and 360 micron removable delivery tips available.

References – Perfusion Pencil