Rinsing, sterilization or washing machine, in particular cleaning and disinfection unit

The invention relates to a dishwasher, sterilization or washing machine, in particular a cleaning and disinfecting apparatus for medical instruments, providing end with a treatment chamber (3) rinsing, sterilization or washing tank (2) fluid-tightly a means of a door (6) closable charging opening (5), and with a detection system (8) for the automatic detection of the treatment chamber (3) befindlichem be treated (4), wherein the detection system (8) can be arranged one in the treatment chamber (3), contact-readable electronic identifier (9) and having a reading unit (10), wherein the reading unit (10) is arranged movable relative to the treatment chamber (3).