microQuark is the PC-based spirometer designed by COSMED for lung function screening. It can be used with any PC, either desktop or laptop, by simply installing the application software and connecting the USB cable to the USB port of the computer. Performing spirometry tests is extremely easy and intuitive with microQuark and OMNIA, the new generation software developed by COSMED, which is included in the standard package. Fast, simple and cost effective spirometry screening is now available to all users.