dda 17 7 fcm pp e c f 31i002fg 98954061DDA 17 7 FCM PP E C WITH ACCES The SMART Digital DDA is a compact positive displacement, diaphragm dosing pump with variable speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high viscosity or degassing liquids. The duration of each discharge stroke varies according to the capacity set,