The Nonin Onyx Vantage 9590 is one of the most trusted fingertip pulse oximeters in clinical care, delivering accurate SpO₂ and pulse‑rate readings across a full range of patients and conditions. Engineered with Nonin’s proven PureSAT® technology, the 9590 provides fast, reliable measurements even in low‑perfusion or motion‑challenged environments—making it a top choice for hospitals, surgery centers, EMS teams, and home‑care providers.

Built for durability, the 9590 features a rugged, drop‑resistant housing and an all‑patient design that accommodates fingers from pediatric to adult sizes. Its bright, easy‑to‑read LED display ensures clear visibility in any setting.

Mohawk Medical Mall offers the 9590 in Black and Red, the two most popular clinical colors.

Key Features

• Clinically validated SpO₂ and pulse‑rate accuracy

• PureSAT® signal processing for reliable readings in challenging conditions

• Works on pediatric to adult patients (8+ years)

• Rugged, drop‑resistant construction for long‑term clinical use

• Bright LED display for quick, clear results

• Auto‑on/auto‑off for extended battery life

• Available in Black and Red

• Latex‑free design

Nonin Onyx Vantage 9590 — Q&A

Q1: What is the Nonin Onyx Vantage 9590 used for?

The Nonin 9590 is a medical‑grade fingertip pulse oximeter used to measure SpO₂ (oxygen saturation) and pulse rate quickly and accurately. It’s trusted in hospitals, clinics, EMS, and home‑care environments.

Q2: What colors are available?

Mohawk Medical Mall offers the 9590 in Black and Red only, the two most popular clinical colors.

Q3: Is the Nonin 9590 accurate?

Yes. The 9590 uses Nonin’s PureSAT® signal processing, which provides clinically validated accuracy even in low perfusion, motion, or challenging patient conditions. It’s widely used in professional medical settings because of its reliability.

Q4: What patient sizes does the 9590 work with?

The 9590 is an all‑patient oximeter, designed to fit:

• Pediatric fingers (typically 8+ years)

• Adult fingers

• Larger adult fingers

Its wide range makes it ideal for facilities that need one device for multiple patient types.

Q5: Is the Nonin 9590 durable?

Yes. The 9590 is known for its rugged, drop‑resistant construction and long service life. It’s built for daily clinical use, EMS environments, and high‑volume workflows.

Q6: Does the 9590 require calibration?

No. The device is factory‑calibrated and does not require user calibration.

Q7: How is the display visibility?

The 9590 features a bright LED display that is easy to read in low‑light, bright‑light, and fast‑paced clinical environments.

Q8: What batteries does it use, and how long do they last?

The 9590 runs on two AAA batteries and offers extended battery life thanks to its auto‑on/auto‑off function.

Q9: Is the Nonin 9590 latex‑free?

Yes. The device is not made with natural rubber latex, making it safe for sensitive patients and clinical environments.

Q10: Is this oximeter approved for clinical use?

Yes. The Nonin 9590 is FDA‑cleared and widely used in hospitals, surgery centers, urgent care, and EMS.

Q11: What makes the 9590 different from cheaper fingertip oximeters?

Key advantages include:

• Clinically validated accuracy

• Superior performance in low perfusion

• Rugged, long‑lasting construction

• All‑patient sizing

• Trusted by hospitals and EMS