A leading antigen monitoring company in the defense and food safety markets uses proprietary sample collection and detection technology to offer a complete, stand-alone solution for antigen detection and identification. The device consists of a durable instrument and disposable cartridges which monitor for antigens within buildings and in certain field deployments. Key Tech developed concepts for automating the loading of reagent cartridges for extended standalone use in the field. The design was also improved for cost reduction, reliability, and automation of aspects of the manufacturing process.