Nonin 9550 Finger Pulse Oximeter
Vital Signs Within Reach™

All-In-One Fingertip Pulse Oximeter

Nonin Medical, the inventor and world leader in fingertip oximetry, has designed years of clinical experience into the Onyx^® II 9550. The electronics and sensor are incorporated into the world's smallest fingertip oximeter, providing a proven and cost-effective solution for spot-checks and short-term monitoring.

Onyx II 9550 — not just a new look. Superior performance and unparalleled reliability put vital signs within reach anywhere, anytime.  Nonin now offers an industry-leading 4 YEAR warranty on the Onyx^® II 9550

A free carrying case and lanyard is included.

Product Highlights:

• Simple — Automatically turns on for fast, easy spot-checks
• Superior Accuracy — Trusted by clinicians worldwide
• Efficient — Allows for 2500 spot-checks or 21 hours of continuous use
• Versatile — Accommodates finger sizes from pediatric to adult
• Enhanced Design - How the 9550 is different from the Original Onyx 9500
  • Smaller design
  • Gets about 2400 spot checks compared to 1600 with the original Onyx
  • The spring on the 9550 has been moved to the inside thus eliminating the chance it could get caught on something and damaged
  • The viewing angle of the 9550 is wider making it easier to read
  • The 9550 has an improved battery case cover making access to the batteries easier and no tools are required

Vital Signs Within Reach

The Onyx II 9550 is ideal for use in any situation where a fast and accurate reading of blood oxygen saturation and pulse rate is needed. Never search for a pulse oximeter or sensor again. The portability and functionality of the Onyx II 9550 makes it a valuable tool in any situation where a fast and accurate reading of blood oxygen saturation and pulse rate is needed.

Proven Performance:

• Small & Lightweight — Take the Onyx II 9550 anywhere: on a lanyard, in a carrying case or in your pocket/purse. It weighs less than 2 oz.
• Large Bright LED Display — SpO₂ and Pulse Rate can be read from any angle, day or night.
• Pulse Quality Indicator — Brilliant, easy-to-see LED provides a quick and accurate assessment of patient readings.
• Pediatric to Adult Finger Sizes — Accommodates a wide range of finger thicknesses,
  0.3 - 1.0 inch (8 mm to 26 mm).
• Automatic On/Off
• Energy Efficient — A new turn-off mechanism allows two AAA batteries to provide approximately 2500 spot-checks or 21 hours of continuous operation.
• Durable & Reliable — Rugged enough to be used in the most demanding situations. The Onyx II 9550 has the US Army and US Air Force aeromedical certification for use in helicopters. 
• NSN 6515-01-557-1136