opusĀ® dispenser, 20 ml, with reagent recirculation-system, conformity certified, serial or USB interface, complete with thread A 45 mm, 3 adapters (A 32, A 38 and S 40), 1 screw coupled suction tube, 1 dispensing discharge unit and 1 power supply, Data Power Cable 0,75 m, instruction manual, individual certificate of performance, valve spanner. With touch screen module ''dispenser''.