• 147:1 enhanced manual speed control
• 501RL uses standard (1.6mm) wall tubing
• 510RL2 uses thicker (2.4mm) wall tubing
• Twin sprung-roller pumphead gives longest tube life
• Single-channel flow rates up to 2200ml/min
• MemoDose facility for accurate single shot dosing
• Two-year warranty

323S/RL and 323S/RL2 speed adjusts in 220 steps from 1.5rpm to 220rpm. Instantly reversible. Rapid-loading pumphead accepts seven tube sizes without adjustment. Keypad lock prevents tampering or accidental changes. Auto restart provides mains failure recovery options, Switchable between 100-120V and 220-240V 50/60Hz. Two-year full warranty.

MemoDose function memorises any dose or sample size and accurately repeats it on command, displaying a progress countdown.

Thick (2.4mm) wall tubing provides stable flow performance with viscous fluids, or against higher delivery pressures (up to 2 bar) or more demanding suction conditions.

If more than one channel is required, choose from the 323S/D range.