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Watson-Marlow Sci-Q 300 Series Peristaltic Pumps

For metering or transfer of fluids at flowrates up to 2000mL/min.

Manufacturer:  Watson-Marlow 030.3124.3DA

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Catalog No. 14-284-120

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Requires : Tubing (sold separately; search for “Watson-Marlow Pump Tubing”)



Available in four models to meet any laboratory pumping application.

  • State-of-the-art brushless DC motor technology for precise speed regulation and quiet operation
  • Ergonomic controls and large LCD display for pump speed in rpm, direction of rotation, and run status

323S/D Standard Pump (14-284-118)

  • General-duty pump for precise metering or transfer duties
  • Flow range: 0.1-2000mL/min.
  • Speed range: 3 to 400rpm (adjustable in 1rpm increments)
323E/D Economy Laboratory Pump (14-284-120)
  • For general metering or transferring
  • Flow range: 0.45-2000mL/min.
  • Speed range: 15 to 400rpm (adjustable in 5rpm increments)
323S/MC4 Multichannel Tubing Pump (14-284-227) and 32S3/MC8 Multichannel Pump (14-284-228)
  • Five-channel pump for metering and transferring
  • Flow range: 0.001-53mL/min. (323S/MC4), 0.001-36mL/min. (323S/MC8)
  • Speed range: 3 to 400rpm
323Dz/D Dosing/Dispensing Pump (14-284-228)
  • Programmable dosing/dispensing pump
  • Repeated dosing of volumes from 1mL to 1L
  • Dose accuracy of ±1.0%
  • Simple calibration; anti-drip, anti-splash functions
  • Accessories make it a complete dispensing solution

Order Info

For extending pump up to 6 channels use 14-283-106 (313X flip top). Dimensions: 9L x 9W x 5 in.H (23 x 23 x 13cm); for 110-120/220-240V 50/60Hz, single phase



Brushless DC
9.9 lb.
40 to 158°F
CE, IEC335-1, EN60529
110/120 and 220/240V 50/60Hz
110/120 and 220/240V
9 in.
0.45 to 2000mL/min.
15 to 400rpm
-40 to 70°C
5 in.
9.05 in.
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