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Miniature osmosis pump system

under development

Miniature osmotic pump system

Description

The Electro-Osmotic Pump (EO pump), which employs electroendosmosis, generates no pulsation. It is ideal for pulsation-sensitive microfluidic systems, but only de-ionised water, methanol, or ethanol can be directly pumped. To overcome this limitation, this pumping unit utilises an internal diaphragm that isolates the ethanol etc. from the liquid to be delivered. This indirect pumping mechanism enables you to pump various liquids.

Internal structure

Internal structure osmotic pump unit

Pulsation-free performance - comparison

 Pulsation-free performance - comparison

Flow Characteristics

Osmotic pump flow characteristics

Dimensions

Osmotic pump dimensions

Specifications

Working fluid Ethanol
Flow rate 0 - 100μl/min
Pressure (max.) 3000 mbar
Pump capacity 250μl
Wetted materials PC and FPM