Features include display, which shows the heart rate, battery life and signal quality, superior sound and interchangeable probes for both obstetrical and vascular applications. Each unit comes with your choice of one probe: waterproof, 2 or 3 MHz for OB , and 4, 5, or 8 MHz for vascular.

spirette™ which acts only as a hygienic shield and is transparent to the ultrasonic pulses traveling between the measurement transducers. Since the disposable spirette™ has no sensor elements, it does not perform a measurement function and does not require calibration. The EasyOne™ stores up to

700 test sessions and EasyWare PC Software is available. EasyOneT meets ATS recommendation for diagnostic spirometry.