Liquid Handling Pumps from Watson Marlow Pumps Group

400 Series -- Model 403U/R1

400 Series -- Model 403U/R1 -- View Larger Image
400 Series -- Model 403U/R1-Image

403U/R1: single channel flows from 0.06 to 150 ml/

  • Digital speed control via top panel mounted keypad
  • Reversible motor for easy fluid recovery
  • Max high speed priming functionmin The 403U/R1, 403U/L and 403U/L2 are precision manual/auto-control pumps which use 1.6mm wall tubing. All have spring-loaded tracks to maximise tube life and flow precision against pressures up to 2 bar.403 low-flow models provide speeds up to 50rpm, 405 high-flow models up to 200rpm. All pumpheads have transparent polyester resin (PET) guards.20:1 speed control. R1 single channel four-roller pumphead accepts up to 6.4mm bore tubing. L2 dual channel or "L" low pulsing Y element option up to 4.8mm bore with twin, precision offset aluminium rotors with four stainless steel rollers. All pumps accept 4-20mA or 0-10V analogue signals and remote TTL (PLC compatible) start/stop and CCW/CW switching. Two-year comprehensive warranty.

Product Category
Liquid Handling Pumps
Pump Type
Dosing Pump; Injection Pump; Metering Pump; Peristaltic Pump; Positive Displacement Pump; Self-Priming Pump; Sanitary Pump
Liquid Flow
0.022 GPM (0.08 L/min)
Power Source
AC; 115 VAC

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Pump Housing Material
Industry Served