Body scanning equipment will be rolled out to all Australian international airports from November, despite lingering concerns about their effectiveness.

The security machines, costing $230,000 each, produce a generic outline of the human body and reveal metal and non-metal items under clothing. They have already been trialled in Melbourne and Sydney.

After new laws were passed by federal parliament today, Transport Minister Anthony Albanese reassured airline passengers worried about privacy issues that images won’t be copied or stored.