The AIA-CL2400 automated immunoassay analyzer utilizes the CL-AIA Pack twin cup format and has a throughput of up to 240 results per hour, with the first result being available within 15 minutes for most assays. Other features include full traceability, positive identification of samples and reagents, on-board refrigeration, ready to use reagents, including adjusters and diluting reagents, and continuous loading of samples.