Nonin 9550 Onyx II Finger Pulse Oximeter with Justice Mark II

The Onyx® II 9550 fingertip pulse oximeter delivers rapid, clinically validated SpO2 and pulse rate measurements across a broad spectrum of patients and environments, ensuring actionable accuracy. Built to withstand challenging conditions, the Onyx II 9550 holds certifications from the US Army and U.S. Military for airworthiness in helicopter use.

• Convenient - Automatically activates and deactivates for quick, effortless spot-checks
• Verified Precision - Demonstrates clinical precision across diverse patient groups and settings, including those with darker skin tones and low perfusion
• High Efficiency - Supports 2500 spot-checks or 21 hours of continuous operation
• Bright LED Display - SpO2 and pulse rate are visible from any angle, day or night
• Versatile Finger Size Compatibility - Fits a variety of finger sizes, ranging from 0.3 to 1.0 inch (8 mm to 26 mm)
• Sturdy and Dependable - The Onyx II 9550 is certified by the US Army and US Air Force for aeromedical use in helicopters
• Includes a durable carry case and lanyard