DEVICE AND METHOD FOR PREVENTION OF MISFILLING

摘要

The invention relates to a device (10) and a method for prevention of misfilling which includes: a valve means (50) operable in a closed position to prevent liquid flowing through the locking means (20) and in an opened position to allow liquid flowing through the locking means (20) and a sensor means (30) being attached to the locking means, wherein the sensor means are capable of sensing the specific weight and/or colour of the liquid so as to activate the locking means from the normally closed position into the open position for the prescribed liquid.