Model 520 Dual Head Pumps
The Model 520 has been designed to convert the Model 521 from an isocratic pump to a gradient HPLC system.
Full operation and gradient control programming is achieved through the keypad on the front panel of the Model 20.
The Model 520 includes a high pressure integral static mixer, connecting tubing, and all the accessories necessary to quickly convert the Model 521 to gradient operation. UHPLC (Maximum pressure: 15,000 PSI) is available for Analytical flow.