• Manual control or 4-20mA/0-10V analog or RS232 control
• Digital TTL inputs for run/stop and direction
• 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

Speed adjusts in 220 steps from 1.5rpm to 220rpm giving 150:1 speed control ratio. Instantly reversible. Rear panel 25D socket accepts 4-20mA or 0-10V analog auto-control signals. 9D socket accepts RS232 control commands. MemoDose facility for accurate single shot dosing. Keypad lock prevents tampering or accidental changes. Auto restart provides mains failure recovery options. Switchable between 100-120V and 220-240V. MemoDose facility for accurate single shot dosing. Two-year full warranty.

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 the 323U/D or 323U/4D fitted with the 313D or 314D pumpheads.