World Precision Instruments

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Researcher UCL, Institute of Ophthalmology

I am really impressed by your very high level of customer service. I got a problem of our pump recently and contacted the service. Julian Williams replied me immediately and tried to resolve the issue with good suggestions. Meanwhile, she loaned me a pump which enabled me to carry out my experime...
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Perfusion Pencils

Perfusion Pencils

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.

 

Pencil Tip Cross Section

 
Options for 4, 8 or 16 micro-bore tubes into 1 outflow

 

Removable Tip

Select either 100, 250 or a 360 micron removable delivery tip. Higher flow rates or small 100 micron tip may require pressurized delivery.


100 Micron Removable Tip

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


250 Micron Removable Tip

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



Choose Quantity
04-16-100

04-16-100

Perfusion Pencil® + 100µm Removable Tip [16 chan. manifold], with luer lock inflow fittings


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04-16-250

04-16-250

Perfusion Pencil® + 250µm Removable Tip [16 channel], with luer lock inflow fittings


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04-16-360

04-16-360

Perfusion Pencil® + 360µm Removable Tip [16 chan. manifold], with luer lock inflow fittings


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04-04-100

04-04-100

Perfusion Pencil® + 100µm Removable Tip [4 chan. manifold], with luer lock inflow fittings


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04-04-250

04-04-250

Perfusion Pencil® + 250µm Removable Tip [4 chan. manifold], with luer lock inflow fittings


Choose Quantity
04-04-360

04-04-360

Perfusion Pencil® + 360µm Removable Tip [4 chan. manifold], with luer lock inflow fittings


Choose Quantity
04-08-100

04-08-100

Perfusion Pencil® + 100µm Removable Tip [8 chan. manifold], with luer lock inflow fittings


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04-08-250

04-08-250

Perfusion Pencil® + 250µm Removable Tip [8 chan. manifold], with luer lock inflow fittings


Choose Quantity
04-08-360

04-08-360

Perfusion Pencil® + 360µm Removable Tip [8 chan. manifold], with luer lock inflow fittings


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04-04-zdv

04-04-zdv

Perfusion Pencil 4 channel manifold - Zero Dead Volume, with protective 1/8" tubing


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04-08-zdv

04-08-zdv

Perfusion Pencil 8 channel manifold - Zero Dead Volume, with protective 1/8" tubing


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04-100

04-100

100µm Removable Tip for Perfusion Pencil®


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04-250

04-250

250µm Removable Tip for Perfusion Pencil®


Choose Quantity
04-360

04-360

360µm Removable Tip for Perfusion Pencil®

Our Clients Include:

GlaxoSmithKline
University College London
Novartis
Imperial College
University of Cambridge
University of Oxford

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