• Require less than one minute to change
• Accuracy to ± 1 percent or better
• Dispenses 100ml in less than 2.8 seconds
• Maximum flow rates 4.8 litre/minute
• Non-drip function eliminates drips at dose end
• RS232 control via serial communications
• Store up to 50 dispensing programs
• A Watson-Marlow Value for life pump with five year warranty.

The new 520Di/REL pump combines extraordinary levels of functionality with an on-screen menu, easy-to-use tactile membrane keypad and an alphanumeric display. Brushless DC motor with 3,500:1 speed control. IP31 pump has full RS232 control via serial communications. A simple security protection code protects set functions and a comprehensive security protection can be incorporated to protect dispensing parameters and calibration values.

Fitted as standard with the NEW 520REL LoadSure element pumphead which features a large swept volume with sprung stainless steel rollers for high accuracy. Low rotational speeds greatly increase tube life and system reliability. LoadSure elements fit into position for simple, error-free tube loading: optimum performance every time. Using the patented LoadSure D-connectors and easy-grip clutched rotor, the element can be changed in under one minute: simplicity itself, no special skills required.

The revolutionary 520REL LoadSure pumphead, taking Watson-Marlow benefits to thousands more industrial and sanitary applications.

For IP66 washdown protection, please select the 520DiN/REL model.

For help in selecting a suitable pump for your application, please call 01326 370363 and speak to our application specialists.

If outside the United Kingdom, find your nearest representative under international contacts.