In 1995 Nonin Medical revolutionized pulse oximetry with the Onyx. Hundreds of thousands of people trust Onyx, the first self-contained digital fingertip pulse oximeter.

Some COVID-19 patients have experienced silent hypoxia, a condition causing low oxygen levels (without obvious symptoms). This condition can be fatal.

The small and lightweight H100N Handheld Pulse Oximeter is tailored for continuous monitoring or spot checks in physician offices or clinics, EMS/transport or in acute care setting.