• 403U/R1: single channel flows from 0.06 to 150 ml/min
• 403U/L: low-pulsing single-channel, from 0.11 to 180 ml/min
• 403U/L2: dual channel flows up to 92 ml/min per channel
• Digital speed control via top panel mounted keypad
• Reversible motor for easy fluid recovery
• Max high speed priming function

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.