The CLIA-Sta 4000, as a member of the NodFord CLIA-Sta family of analyzers, utilizes advanced direct chemiluminescence immunoassay (CLIA) principles. It is designed for maximum laboratory efficiency with a high throughput of up to 200 tests per hour and a fast time to first result (≤ 15 minutes). Its highly integrated, patented design combines incubation, washing, and detection into an all-in-one system, ensuring a low instrument failure rate and walk-away capacity of 3 hours. It supports batch, random, and STAT modes for flexible workflow management.