The invention relates to an atomiser (1) for a fluid and a container (3) which can be inserted into the atomiser with the fluid. In order to improve safety during use, the atomiser comprises a first coding means (24), and a second coding means (25) is associated with the container, such that the container can only be used with a suitable code in the atomiser or can be used therewith. Preferably, the code associated with the container comprises a specific identification for the fluid disposed in the container.
