Microprocessor-controlled multichannel STAT analyser

The design of a multichannel discrete STAT analyser is described. The machine design incorporates a event-driven multitasking microprocessor with the capability of concurrent control of eight analytical modules. The microprocessor controller introduces flexibility and versatility to the system by replacing electro-mechanical and/or discrete logic components, and hence simplifies system modification and future expansion. As an added advantage, other machine functions, such as sequential control, signal acquisition and processing and data management, are performed by the microprocessor.