The NONIN Onyx Vantage 9590 is a compact, professional-grade pulse oximeter designed to measure arterial oxygen saturation (SpO₂) and pulse rate with high precision. Featuring PureSAT® technology, it ensures accurate readings—even under challenging conditions such as low perfusion, patient movement, or darker skin pigmentation. Lightweight and durable, it’s ideal for both adults and children and can be used on fingers, thumbs, or toes.

Key Features

• PureSAT® SpO₂ technology: Accurate results even during motion or low blood flow

• Universal fit: Works on fingers, thumbs, or toes (0.8 to 2.5 cm thick)

• Automatic on/off: Activates when finger is inserted, shuts off after 10 seconds

• Long battery life: Up to 36 hours continuous use or 6,000 spot checks

• Color-coded signal quality indicator (green, yellow, red)

• Bright LED display: Easy to read in daylight or darkness

• Pediatric and adult use: Suitable for hospitals, clinics, EMS, and home care

•  Colour: black

Technical Specifications

• SpO₂ range: 0–100 % (±2 % accuracy)

• Pulse rate range: 18–321 bpm (±3 bpm accuracy)

• Weight: Approx. 60 g (including batteries)

• Dimensions: Approx. 5.6 x 3.3 x 3.4 cm

• Power supply: 2 x AAA batteries (included)

• Battery life: 36 hours continuous or ~6,000 checks

• Latex-free

The NONIN Onyx Vantage 9590 is a versatile, clinically validated pulse oximeter designed to perform under pressure. Its rugged build, high-contrast display, and auto-sensing features make it the go-to solution for healthcare professionals in all settings—from medical practices to emergency response. Portable, durable, and incredibly accurate, it ensures confidence in every reading.