300 Series Laboratory Pumps

Watson Marlow Pumps
Industrial equipment

The 300 Series laboratory pumps are a benchtop solution for pumping liquids with manual, remote, analogue or RS232 control capabilities. The 323 Series pumps feature a chemically resistant ABS top and IP31 protection, a membrane keypad for pump control, and a digital LCD to display speed.

Four models with increasing functionality are available:
  323Du High-flow pumps with enhanced RS232/auto/manual control
  323U and 323U pumps with analogue auto and enhanced manual control
  323S High-flow manual control pumps
  323E Manual control pumps

Pump head options available as standard (others available on request):
  • 313D and 313D2 three-roller pump heads for continuous tubing

  • 314D and 314D2 four-roller pump heads for continuous tubing

  • 314MC four-roller five-channel microcassette pump heads

  • 318MC eight-roller five-channel microcassette pump heads

  • 501RL and 501RL2 pump heads for continuous tubing
Features and Benefits
300 Series Laboratory Pumps
Enhanced digital manual speed control up to 133:1
MemoDose function for accurate single dosing
Two-year warranty
Instant reverse
Digital TTL inputs for run/stop and direction
Keypad lock prevents unauthorized access or accidental changes to settings
Manual or remote 4 mA to 20 mA or 0 V to 10 V analogue auto-control or RS232 control commands
Specifications
300 Series Laboratory Pumps
Ambient Temperature Range
5 °C to 40 °C
Speed Control Ratio
133:1, 147:1, 200:1, 27:1, 300:1
Compatible Tube DIA (mm)
0.13, 0.19, 0.25, 0.38, 0.5, 0.63, 0.76, 0.8, 0.88, 1.02, 1.14, 1.29, 1.42, 1.52, 1.6, 1.65, 1.85, 2.05, 2.29, 2.54, 2.79, 3.2, 4.8, 6.4, 8
Drive Power Supply
1 Phase, 100 V to 120 V, 220 V to 240 V 50/60 Hz, 100 VA
Standards
CE, cETLus
Drive Ingress Protection
IP31
Maximum Flow Rate
300 ml/min
Minimum Flow Rate
0.002 ml/min
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