Four-Syringe Nanoliter Infusion 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 (four) syringes may be different sizes
  • Minimum Flow Rate: 0.001 uL/hr
  • Maximum Flow Rate: 20.91 mL/min (10 mL syringe)


Order code Line Voltage
SP250i 95-135V, 50Hz
SP250iZ 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

Up to four syringes of different sizes can be accommodated on this pump.

Mode Infusion
Syringe Size 10 µL-10 mL (four), (syringes may be different sizes)
Maximum Flow Rate (10 mL syringe) 20.91 mL/min
Minimum Flow Rate 0.001µL/hr
Linear Force 40 lb. (18 kg)
Advance Per Microstep 0.165 micron
Maximum Step Rate 1600 steps/sec
Minimum Step Rate 1 step/100 sec
Accuracy < 1% error
Reproducibility ± 0.1%
Dimensions 11 x 9 x 6 in. , 28 x 23 x 15 cm
Shipping Weight 12 lb. (5.4 kg)‚
Notes: Available 95-135 V or 220-240 V, 50/60 Hz

S. Massberg, G. Enders, R. Leiderer, S. Eisenmenger, D. Vestweber, F. Krombach, K. Messmer "Platelet-Endothelial Cell Interactions During Ischemia/Reperfusion: The Role of P-Selectin" Blood 92. 1998: 507-515

©Copyright 2020. World Precision Instruments. All rights reserved.

Apply for Tax Exempt Status
WPI collects tax in AL, AZ, CA, CO, CT, DC, FL, GA, IL, IN, MA, ME, MD, MI, MN, MO, NC, NV, NJ, NY, OH, OK, PA, SC, TN, TX, VA, VT, WA and WI