KDS 120 Push/Pull Syringe Pump

KD Scientific KDS 120 Push/Pull Pumps
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This pump provides simultaneous infusion and withdrawal at the same rate with opposing syringes on the same drive screw for one cycle. This is useful as a perfusion chamber pump or for cell culture studies.

KDS Legato 270P Push/Pull Syringe Pump - Programmable

Programmable Legato 270P push/pull pump with user defined program configurations of up to 800 steps. Up to 40 programs of 20 steps each can be stored in memory.


  • Holds one + one syringes, 10 µl to 10 mL each
  • Simple menu-driven setup:
    • select syringe size from displayed table
    • set dispense volume
    • set dispense flow rate
  • Easy to read bright, backlight display
  • Dispense volume displayed and has automatic shutoff at completion
  • Volume and flow rate units (µl/hr or mL/hr) are selected automatically based on syringe size
  • Last settings stored in permanent memory
  • Button release of drive nut for easy syringe installation
  • Choice of run / stop after a power interruption


Pump Type Push/Pull
Max No. of Syringes One + One
Syringe Size 10 µl to 10 mL
Dimensions 9" x 6" x 5" (23 cm x 15 cm x 14 cm)
Weight 4.5 lbs. (2 kg)
Linear Force 20 lbs. (9 kg)/min.
Advance per Microstep 0.529 micron (1/2 step)
Maximum Step Rate (1/2 Step) 400 steps/sec
Minimum Step Rate (1/2 Step) 1 step/30 sec.
Accuracy +/- <1%
Reproducibility +/- 0.1%
Audible Alarm (Optional)

Part No. Description Price
780120 KDS 120 Push Pull Pump, KDS 120, 110V $2585.00