Pulsoximeter OXY-TEST 2000M is a measuring module operated by any PC, designed for continuous monitoring of SpO2 signal and pulse frequency changes with the plethysmographic wave visualization in real time. Pulsoximeter consists a precise measurement unit with a sensor and software implemented in any version of Microsoft Windows based system. The device allows for input and output of the measured quantities stored up to 24 hours as well as their evaluation with a possibility of work periods presentation with the set SpO2 threshold. Pulsoximeter software makes possible to print complete examination report.