Pulsoximeter OXY-TEST 2000 is designed for continuous monitoring of SpO2 signal and pulse frequency changes with the lethysmographic wave visualization in real time. The device allows for input and output of stored parameters and their initial evaluation with displaying, for example trends of chosen quantities. Saved examination results can be printed with a thermal printer or transferred to any PC . Optionally Pulsoximeter OXY-TEST 2000 can be equipped with software for on line transmission to any PC computer and examination results evaluation as well as print-out.