Multi-Syringe Infusion/Withdrawl Pump

Order code

 Syringe pumps for high me­ter­ing precision at low, pulse-free rates

  • Sturdy and reliable
  • Ex­treme­ly sim­ple to set up and use
  • Sur­pris­ing­ly af­ford­able
  • Accepts syringe sizes: 10uL - 10mL (ten); 10 uL to 60 mL (six); 10 uL to 140 mL (four)
  • Minimum Flow Rate: 0.001 uL/hr (10 uL syringe)
  • Maximum Flow Rate: 21 mL/min (10 mL syringe)


Order code Line Voltage
SP230iw 95-135V, 50Hz
SP230iwZ 220-240V, 60Hz


  • Automatic dispensing of small volumes
  • Very precise flow rate control
  • Hands-free operation with foot pedal
  • Better flow performance with accuracy ±0.35%


  • Drug administration
  • Chemical applications with slow incorporation of fixed volumes of fluids

The SP230iw offers you more advanced features than any other infusion/withdrawal pump in its price range - including five operating modes plus independent rate and volume settings for both infusion and withdrawal. This feature-laden two-syringe infusion pump combines a broad speed range and holds a wide range of syringe sizes to meet the requirements of virtually any laboratory application.

  • Backlit LCD display
  • Knob locks/unlocks drive block for effortless, drag-free adjustment
  • Simple menu-driven setup: syringe diameter (selected from displayed table), Dispense volume, Dispense flow rate, continuous dispense volume display
  • Preset volume control and automatic shutoff
  • Settings can be reviewed or changed during operation
  • Optical encoder stall detection
  • Choice of unit selection
  • Last settings stored in permanent memory
  • Built-in RS-232C interface for computer linking or "daisy chaining" up to 100 pumps
  • TTL interface for foot switch, timer, relay control
  • Outputs for run indicator, valve control, independent rate and volume settings for infusion and withdrawal
  • Multiple mode selection: infusion, withdrawal, infusion then withdrawal, withdrawal then infusion, or continuous cycle
Mode Infusion/Withdrawal
Syringe Size 10µL to 10 mL (ten), 10µL to 60 mL (six), 10µL to 140 mL (four)*
Maximum Flow Rate 21 mL/min (10 mL syringe)
Minimum Flow Rate 0.001 µL/hr (10 µL Syringe )
Linear Force 40 lb. (18 kg)
Advance Per Microstep 0.165 micron
Maximum Step Rate 1600 steps/sec (1/2-step)
Minimum Step Rate 1 step/100 sec
Accuracy < 1% error
Reproducibility ± 0.1%
Dimensions 11 x 12 x 5.5 in., 28 x 30 x 14 cm
Shipping Weight 12.5 lb. (5.7 kg)
Notes: Available 95-135 V or 220-240 V, 50/60 Hz
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