Curaplex Nonin Onyx® Vantage 9590 Finger Pulse Oximeter


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Curaplex Nonin Onyx® Vantage 9590 offers fast, accurate oxygen saturation and pulse rate spot check readings. The Onyx accommodates both pediatric and adult patients, and most toe/finger/thumb thicknesses. It provides quality results for various skin tones and perfusion levels. Insert digit for quick spot checks with the automatic turn-on/turn-off feature. The three-color LED screen displays green, yellow or red for a quick assessment of patient pulse quality. The device’s long-lasting battery life can endure 36 hours of continual operation, or up to 6,000 spot checks.


  • Clinician-facing design allows results to be read from any angle, and in most light conditions
  • Includes a three-color pulse quality indicator LED
  • Provides accuracy for various skin tones and perfusion levels
  • Suitable for pediatric and adult patients
  • Made with lead-free and latex-free construction
  • Withstands a minimum of 50 drops, and rugged enough to endure tough treatment
  • Exceeds IP32 water ingress testing
  • Offers automatic turn-on/turn-off
  • Made in the U.S.A.


  • Finger/thumb/toe thickness: 8mm to 25.4mm (0.3" to 1.0")
  • Oxygen saturation range: 0% to 100%
  • Pulse rate range: 18 to 300 pulses/min
  • Weight: 2oz
  • Battery life: 6,000 spot checks, or 36 hours of continual operation 


  • Oximeter device
  • Lanyard
  • CD instructions
  • 2 AAA batteries

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  • Nonin Onyx Oximeters