TFS Takasago Fluidic Systems

  • Electro-osmotic Pump EBP series
  • Electro-osmotic Pump EBP series

Electro-osmotic Pump EBP series

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FEATURES / CHARACTERISTICS

EOP flow Generation Principle

The Electro-osmotic Pump (EO pump) is an extremely small pump that uses electroendosmosis (See the flow generation principle below). No pulsation nor operating noise is generated during its use as it has no mechanically moving parts. Furthermore, its features include a high output pressure, optional battery operation, and an adjustable flow proportional to the applied voltage. It can be integrated to a microfluidic chip for delivering liquids into the chip. Indirect drive types, which utilise a diaphragm to deliver various liquids, are also available.

Flow Generation Principle

  1. The solid surface has a negative charge.
  2. The cations in the liquid are attracted to the negatively charged solid surface.
  3. The thin liquid layer close to the surface is charged positively.
  4. The charged liquid layer is dragged by electric field.
  5. Flow is generated → Electro-osmotic flow.

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SPECIFICATIONS

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Model Number EBP-RF1R
Outer Dimensions φ12 × H17.6 mm
Pumped volume adjustable range 60 μL/min at 150VDC, 10 μL/min at 24VDC (Back pressure 0kPa, deionised water)
Maximum pump pressure 1 MPa (150VDC, deionised water)
Remarks Directly Deliverable Liquids: Deionized water, methanol, ethanol (Other liquids can be delivered by indirect pumping)

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