The pneumatic stroke counter, installed in the air supply line of the pump, allows the indirect measurement of the amount of product pumped by pneumatic pumps to on / off cycle (both automatic and with external control panel). It has a six-digit totalizer display. In the standard configuration it is supplied with fittings for pipes of 8 mm , but you can request the installation of fittings for 10mm. In addition the devices can be equipped with reed contact output for connection to a PLC or external control system.