Device for rapid exchange of ion sources and ion transmission devices

Apparatus comprising:

• a vacuum chamber;
• a housing located within the vacuum chamber and having a guide mechanism;
• and
• a first ion optic assembly which is slidable or translatable in cooperation with the guide mechanism thereby enabling the first ion optic assembly to be inserted and aligned within the vacuum chamber;
• wherein the first ion optic assembly comprises a first electrical connector and the housing further comprises a second electrical connector, wherein in use insertion of the first ion optic assembly into the vacuum chamber causes the first electrical connector to connect with the second electrical connector.