The Nonin Onyx Vantage 9590 pulse oximeter is the only fingertip pulse oximeter whose accuracy and performance characteristics have been demonstrated by scientific articles and published clinical studies. This device has been tested for use on all five fingers of the hand or toes, ensuring unmatched versatility.

Key Features of the Nonin Onyx Vantage 9590 Pulse Oximeter

Accuracy and Reliability

The Nonin Onyx Vantage 9590 offers scientifically proven performance across the widest range of situations. Its accuracy has been confirmed by numerous clinical studies, making it a trusted device for monitoring oxygen saturation (SpO2) and heart rate.

Durability and Resistance

Designed to withstand the toughest conditions, the pulse oximeter has been tested to endure up to 50 accidental drops. In addition, it meets and exceeds IP32 water ingress test requirements, ensuring its functionality even in the most challenging environments.

Energy Efficiency

With two AAA batteries, the Nonin Onyx Vantage 9590 can perform up to 6,000 spot checks or operate continuously for 36 hours, offering exceptional energy efficiency.

Safety and Quality

Made in the United States, this pulse oximeter is lead-free and latex-free, ensuring maximum safety for users. It is suitable for a wide range of patients, from children to large adults, with finger thickness ranging from 8 to 25.4 mm.

Versatility of Use

The Nonin Onyx Vantage 9590 can be used on different types of patients, from pediatrics to adults, making it a versatile and indispensable device in various clinical settings.

Warranty and Value

This pulse oximeter comes with a 4-year warranty, ensuring a long-term investment. Proven accuracy, quality, and long service life make the Onyx Vantage an extremely worthwhile purchase.

Technical Specifications

• Heart rate range: 18 - 321 bpm ±3 digits (20 - 250 bpm)


• SpO2 range: 0 - 100% ±2 digits (70 - 100%)


• SpO2 range with low perfusion: 70 -100% ±2 digits


• Heart rate with low perfusion: 40 - 240 bpm ±3 digits

Included Accessories

The Nonin Onyx Vantage 9590 pulse oximeter comes with a multilingual CD-ROM manual that includes the following languages: GB, FR, IT, DE, ES, PT, GR, NL, PL, NO, FI, DK, SE.

Advanced LED Display

The large LED display allows SpO2 and heart rate to be read from any angle, both day and night, ensuring optimal visibility in any lighting condition.

Discover the original all-in-one digital fingertip pulse oximeter, the Nonin Onyx Vantage 9590, and make sure you have a reliable, accurate, and durable device for health monitoring.