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Nonin Onyx Vantage 9590 Finger Pulse Oximeter (ships same day; no color choices due to COVID-19)

Was: $229.00
Now: $209.00
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The Nonin Onyx Vantage: A self-contained Digital Pulse Oximeter that is ideal for spot-checking or short term monitoring of patients.

The Onyx is the only finger pulse oximeter with scientifically proven accuracy and is tested for use on fingers, thumbs and toes.


  • Scientifically proven accuracy in the most challenging cases, including patients with low perfusion or dark skin tones
  • Protects against dropping and water spills; allows for thousands of uses in the most demanding environments
  • Efficient - Up to 6,000 spot checks or 36 hours of continual operation on two AAA batteries
  • Versatile - One unit works on the widest range of patients from pediatric to larger adult patients
  • Clinician-facing, easy-to-read, bright LED - SpO2 and pulse rate can be read from any angle, in all lighting conditions, day or night
  • Lead free, latex free

Purchase Includes:

  • 1 Nonin Onyx Vantage 9590 Pulse Oximeter
  • lanyard
  • instructions on CD
  • two AAA batteries
4 Year Warranty

Have Questions?

866-463-3522 or fill out the form below

1 Review Hide Reviews Show Reviews

  • 5
    Nonin 9590 Pulse/Oxygen

    Posted by Robert W on 25th Oct 2017

    I've had a Nonin 9500 for a number of years and it hasn't failed me yet. I needed a second one, so I purchased the 9590 model, and it is just as comfortable and accurate as my 9500. I highly recommend this pulse/ox as it is the best for your money.