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Nonin Medical�s Onyx� Vantage 9590 finger pulse oximeter is ideal for clinical settings and provides highly accurate results. It is sometimes referred to as the gold standard and benchmark for all fingertip pulse oximeters. Nonin's PureSAT pulse oximetry captures and reports worsening patient conditions better than other FDA cleared oximeter brands. In a recent independent study, only the Nonin Medical oximeters were able to accurately track desaturation events as compared to a hospital tabletop control device.
The PureSAT technology quickly and accurately capture SpO2 and pulse rate measurements, even on patients where low perfusion, (limited) motion and labored breathing are concerns. It provides proven accuracy in the widest range of patients and settings. This oximeter provides up to 6,000 spot checks or 36 hours of continual operation on two AAA batteries. Nonin Onyx Vantage 9590 Finger Pulse Oximeter includes:- 2 AAA alkaline batteries- Instructions on CD- Lanyard.
SpO2 and pulse rate can be read from any angle, in all lighting conditions, day or night. 3 color pulse quality indicator LED: Green, yellow or red light provides a quick assessment of patient pulse quality. Automatically adjusts to each patient from pediatric to adult quickly and accurately. Accommodates a wide range of finger size depth: 8mm to 25.4mm (0.3" to 1.0").
The durable design protects against dropping and water spills, allows for thousands of uses in the most demanding environments. Proven tough enough to withstand a minimum of 50 drops. Automatic turn on and off. Lead and latex free.
Great service 
very cheap quality, poor customer service 