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Nonin 9550 Onyx II Finger Pulse Oximeter

Nonin 9550 Onyx II Finger Pulse Oximeter

Regular price $999.99 NZD
Regular price Sale price $999.99 NZD
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  • SKU: NON9550


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Nonin Onyx® II 9550 Finger Pulse Oximeter

Military Tested & Certified

The Nonin Onyx® II finger pulse oximeter has been tested under the most rigorous circumstances. Clinically proven oxygen saturation and pulse rate readings, the Onyx® II has received the US Army and US Military Airworthiness Certifications, allowing it to be used in helicopters.


  • Quick Spot-Checks: The Onyx® II turns on and off quickly for easy spot-checks
  • Proven Accuracy: Clinically proven accuracy in the widest range of patients and settings, including patients with dark skin color and low perfusion
  • Efficient: Allows for 2500 spot-checks or 21 hours of continuous use
  • Large Bright LED Display: SpO2 and pulse rate can be read from any angle, day or night
  • Wide Range of Finger Sizes: Accommodates a wide range of finger thicknesses, from 0.3 - 1.0 inch (8 mm to 26 mm)
  • Durable and Reliable: The Onyx® II 9550 has the US Army and US Air Force aeromedical certification for use in helicopters


  • Self-Contained: No sensors or cables to tangle or lose
  • Power Source: 2 x AAA batteries