Model R99-EJM

The Model R99 series has many uses in Research and Industry. Specifically designed to introduce fluid at precise reproducible flow rates from readily available syringes.

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  • A built in flow chart calibrated for Multifit brand syringes in both plastic and glass. (To determine flow rates with other syringes, a calibration sheet is included with every pump.)
  • Easy to set infusion rates on a 4 digit counter.
  • A built in stop switch disconnects power when the plunger reaches the end of the syringe.
  • Repeatability within 2%
  • On/off lighted rocker switch
  • Stainless steel used for all critical parts

Infusion Rate

  • 0.145 to 430cc/hr with a 50cc syringe
  • 0.095 to 282cc/hr with a 30cc syringe
  • 0.071 to 210cc/hr with a 20cc syringe
  • 0.040 to 117cc/hr with a 10cc syringe
  • 0.025 to 75cc/hr with a 5cc syringe

Pressure Limits
Accurate flow up to:

  • 5 psi or 259 mm/hg with a 50–60cc syringe
  • 7 psi or 362 mm/hg with a 30–35cc syringe
  • 10 psi or 517 mm/hg with a 20cc syringe
  • 20 psi or 1034 mm/hg with a 10cc syringe


  • 3 wire grounded plug
  • 30 watts @ 115V 60Hz
  • 30 watts @ 230V 50Hz
  • Less than 25 microamperes current leakage


  • Weight: 7.5 pounds
  • Size: 6” high x 6” wide x 10” long