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Watson-Marlow Sci-Q 300 Series Peristaltic Pumps

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

$2,709.40 - $4,000.22


Display LCD
Enclosure Rating (Nema / IP) IP31
Electrical Requirements 110/120 and 220/240V 50/60Hz
Height (English) 5 in.
Height (Metric) 13cm
View More Specs

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

Products ${productFamilyLength}
Catalog Number Mfr. No. Certifications/Compliance Model Speed Flow Rate Price Quantity  
Catalog Number Mfr. No. Certifications/Compliance Model Speed Flow Rate Price Quantity  
14-284-120 Watson-Marlow
CE, IEC335-1, EN60529 323E/D 15 to 400rpm 0.45 to 2000mL/min. Each for $2,709.40
14-284-118 Watson-Marlow
CE, IEC335-1, EN60529 323S/D 3 to 400rpm 0.1 to 2000mL/min. Each for $3,775.97
14-283-227 Watson-Marlow Canada In
Each for $4,000.22


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 × 9W × 5 in.H (23 × 23 × 13cm); for 110-120/220-240V 50/60Hz, single phase

Description & Specifications


110/120 and 220/240V 50/60Hz
-40 to 70°C
5 to 40°C
9.05 in.
5 in.
9 in.
Brushless DC
40 to 158°F
41 to 104°F
110/120 and 220/240V