The Onyx Vantage 9590 Pulse Oximeter by Nonin is a professional-grade fingertip oximeter designed to deliver fast, accurate oxygen saturation (SpO₂) and pulse rate measurements across all patient types. Built for clinical reliability, the 9590 is tested for accuracy in motion and low perfusion conditions, making it a trusted choice for hospitals, EMS, and home health providers.
Its durable construction and automatic power-on/off function ensure ease of use and long battery life. The bright LED display is easy to read in any lighting condition, and its universal finger fit accommodates a wide range of patients—from pediatric to adult—without the need for calibration or additional sensors.