Software DEDICATED ISO 17025 CALIBRATION SERVICE LABORATORY Model NumberDescription 9500Additel 9500 Additel/Land Task management Software9502Additel 9502 Additel/Log II real time logging and graphical software for ADT681 and ADT6729510Additel 9510 Additel/Cal task management software for ADT221A, ADT222A, ADT223A and ADT761