At a glance: 1 Best overall: Zacurate Pro Series 500DL Fingertip Pulse Oximeter 2 Best budget: CONTEC LED CMS50M Pulse Oximeter 3 Best wearable: Wellue O2Ring Oxygen Tracker 4 Most advanced: Innovo Deluxe Fingertip Pulse Oximeter 5 Best for families: AccuMed CMS-50D Fingertip Pulse Oximeter 6 Best battery life: SantaMedical Generation 2What is a pulsometer scale?
The pulsometer scale (called the pulsograph here) is placed along the edges of the dial and is graduated to 30 pulsations. The watch is powered by the manufacturemonopusher chronograph caliber MB M13.21 visible through the caseback.What does the Pulsometer on a watch measure?
Based on a vintage Longines wristwatch from 1963, it could measure not only time but also a patient’s heart rate (pulsometer) and respiration (asthmometer). The two scales — red for pulsometer and blue for asthmometer — are printed along the edge of the silvered dial.How accurate is the zacurate Pro Series 500dl pulse oximeter?
The response time is very quick too, letting you get a reading within just 8 seconds. The display isn't very bright during daylight hours. The Zacurate Pro Series 500DL pulse oximeter is accurate, fast, and user-friendly.