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Easy To Use Nonin 9550 Onyx Ii Finger Pulse Oximeter With Justice Mark Ii Series [qCc5nNpL]

$49.99 $159.99 -69%

Nonin 9550 Onyx II: Advanced Pulse Oximeter The Easy To Use Nonin 9550 Onyx Ii Finger Pulse Oximeter With Justice Mark Ii Series [qCc5nNpL] is a state-of-the-art device designed for rapid, accurate, and reliable SpO2 and pulse rate measurements. Engineered to withstand challengin

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Nonin 9550 Onyx II: Advanced Pulse Oximeter

The Easy To Use Nonin 9550 Onyx Ii Finger Pulse Oximeter With Justice Mark Ii Series [qCc5nNpL] is a state-of-the-art device designed for rapid, accurate, and reliable SpO2 and pulse rate measurements. Engineered to withstand challenging conditions, this versatile tool is ideal for a wide range of patients and environments. With its user-friendly design and robust performance, the Onyx II 9550 sets a new standard in portable pulse oximetry.
  • Convenient Operation: Automatically activates and deactivates for quick, effortless spot-checks.
  • Accurate Readings: Demonstrates clinical precision across diverse patient groups and settings.

Key Features and Specifications

The Onyx II 9550 is built to deliver exceptional performance with its high-efficiency capabilities. It supports up to 2500 spot-checks or 21 hours of continuous operation, making it a reliable choice for extended use. The bright LED display ensures that SpO2 and pulse rate readings are visible from any angle, day or night. This device is also compatible with a variety of finger sizes, ranging from 0.3 to 1.0 inch (8 mm to 26 mm), ensuring a comfortable fit for all users.
  • High Efficiency: Supports 2500 spot-checks or 21 hours of continuous operation.
  • Bright Display: SpO2 and pulse rate are visible from any angle, day or night.

Practical Applications and Benefits

The Nonin 9550 Onyx II is an invaluable tool for healthcare professionals, athletes, and anyone in need of reliable pulse oximetry. Its sturdy and dependable construction, certified by the US Army and US Air Force for aeromedical use in helicopters, ensures that you can trust this device in the most demanding situations. The included durable carry case and lanyard make it easy to transport and store, ensuring that you have this essential tool at your fingertips whenever you need it.
  • Sturdy and Dependable: Certified by the US Army and US Air Force for aeromedical use in helicopters.
  • Convenient Storage: Includes a durable carry case and lanyard for easy transport.

What Our Customers Say

January 14, 2026

Absolutely no complaints!

A brilliant product with truly great features.

- Lila A..

January 14, 2026

Absolutely no complaints!

A great item. And very, very well made.

- Shanna H..

January 14, 2026

Absolutely no complaints!

This is a very good and a very powerful tool.

- Livia E..

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