{"product_id":"oled-fingertip-oxymeter-spo2-pr-monitor-blood-oxygen-pulse-oximeter-cms50na","title":"Contec CMS50NA OLED Fingertip Pulse Oximeter SpO2 Blood Oxygen Monitor","description":"\u003cdiv\u003e\n\u003ch1\u003eContec CMS50NA OLED Fingertip Pulse Oximeter – SpO2 \u0026amp; Pulse Rate Monitor\u003c\/h1\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0036\/4665\/2534\/files\/warnning.png?v=1741921032\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Contec CMS50NA OLED Fingertip Pulse Oximeter is a compact, reliable tool for quick, on-the-go assessment of blood oxygen saturation (SpO2) and pulse rate. Its bright, easy-to-read OLED display shows SpO2, pulse rate, a live waveform, and a bar graph, making it simple to spot trends at a glance whether you’re at home, in the clinic, or on your next adventure.\u003c\/p\u003e \u003ch2\u003eWhat makes the CMS50NA stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eClear OLED display with adjustable brightness\u003c\/strong\u003e – Read measurements accurately in varying lighting conditions, from bright daylight to dim evenings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpO2 and Pulse Rate plus waveform and bar graph\u003c\/strong\u003e – Visualize your readings in real time, not just numbers, helping you interpret short-term changes quickly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBattery awareness\u003c\/strong\u003e – Built-in battery voltage indicator keeps you informed before readings drop, reducing surprises when you need it most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlexible display modes\u003c\/strong\u003e – Switch between display options to suit your preference for data presentation during workouts, travel, or rest.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, travel-friendly design\u003c\/strong\u003e – Dimensions of 60mm x 34mm x 33mm and low power draw (≤30mA) make it easy to carry in a bag or pocket.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable performance across conditions\u003c\/strong\u003e – SpO2 measurement range 0–100% with ±2% accuracy between 70–100%; PR range 30–250 bpm with ±2 bpm (or ±2%), whichever is greater; proven tolerance to ambient light with deviations within ±1% under different lighting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDeeply practical in daily use\u003c\/strong\u003e – Measurement remains stable even when finger pressure varies; performance under weak filling conditions shows SpO2 error around ±4% and PR error around ±2 bpm or ±2%, whichever is greater.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety-focused design\u003c\/strong\u003e – BF applied part construction provides a thoughtful approach to user safety in everyday monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy you’ll trust this oximeter\u003c\/h2\u003e\n\u003cp\u003ePulse oximeters provide an estimate of oxygen saturation and heart rate. While helpful for monitoring trends, it’s important to establish a personal baseline when you’re healthy and at rest and to consult a licensed healthcare professional for interpretation that accounts for individual factors such as skin tone and physiology. The CMS50NA is designed to deliver dependable readings for routine wellness checks, light physical activity, travel, and home monitoring, helping you detect potential hypoxia early and seek care if needed.\u003c\/p\u003e \u003ch2\u003eWho should consider the CMS50NA\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eActive individuals and athletes who want a quick SpO2 and pulse-rate snapshot during training or high-altitude outings.\u003c\/li\u003e \u003cli\u003eTravelers seeking a compact monitor to complement routine wellness checks on the go.\u003c\/li\u003e \u003cli\u003eHome caregivers and patients who need a simple way to track oxygen saturation and heart rate between medical visits.\u003c\/li\u003e \u003cli\u003ePeople who appreciate a visible waveform and bar graph for intuitive understanding of readings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003col\u003e \u003cli\u003eInsert two AAA batteries into the device (as indicated by its power specifications).\u003c\/li\u003e \u003cli\u003eRemove the finger from the device, then place a fingertip into the sensor clip with the nail facing upward.\u003c\/li\u003e \u003cli\u003eStay still for a few seconds while the CMS50NA captures SpO2 and pulse rate; view the results on the OLED screen along with the waveform and bar graph.\u003c\/li\u003e \u003cli\u003eIf you notice a low battery indicator, replace the batteries to maintain accurate readings.\u003c\/li\u003e \u003cli\u003eSwitch display modes or adjust brightness as needed for readability in different environments.\u003c\/li\u003e\n\u003c\/ol\u003e \u003ch2\u003eCare, maintenance, and tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eWipe the sensor with a clean cloth between uses; avoid submerging the unit in water.\u003c\/li\u003e \u003cli\u003eAvoid exposing the device to extreme temperatures or moisture to preserve sensor accuracy and longevity.\u003c\/li\u003e \u003cli\u003eTo get meaningful trends, use the oximeter over time and note your baseline readings during rest.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat’s included and how it compares to alternatives\u003c\/h2\u003e\n\u003cp\u003eThe CMS50NA emphasizes a straightforward, reliable experience: an OLED display, waveform visualization, adjustable brightness, and low-power design in a compact form. It provides essential SpO2 and pulse-rate data with practical readouts (bar graph and waveform) that help you interpret trends without clutter. When considering alternatives, look for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDisplay clarity and brightness options that suit your typical lighting conditions.\u003c\/li\u003e \u003cli\u003eMeasurement stability across common real-world scenarios, including varying finger pressure and ambient light.\u003c\/li\u003e \u003cli\u003eBattery life and ease of replacement, especially for travel or continuous monitoring needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eImportant safety and interpretation notes\u003c\/h2\u003e\n\u003cp\u003eOximeter readings are estimates and can be influenced by factors such as skin pigmentation, perfusion, and physiological variability. Always establish a healthy baseline while resting and consult a licensed healthcare professional to interpret readings that may be affected by individual traits. If you notice persistent abnormalities or symptoms, seek medical guidance promptly.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMeasurement: SpO2 and Pulse Rate\u003c\/li\u003e \u003cli\u003eDisplay: OLED with adjustable brightness; waveform and bar graph\u003c\/li\u003e \u003cli\u003eSpO2 range: 0–100%; Accuracy: 70–100% ±2%; 0–69% unspecified\u003c\/li\u003e \u003cli\u003ePR range: 30–250 bpm; Accuracy: ±2 bpm or ±2%, whichever is greater\u003c\/li\u003e \u003cli\u003ePerformance in low perfusion: SpO2 error ±4%; PR error ±2 bpm or ±2%\u003c\/li\u003e \u003cli\u003eLight resistance: ≤±1% deviation under various lighting\u003c\/li\u003e \u003cli\u003ePower: two AAA batteries\u003c\/li\u003e \u003cli\u003eWorking current: ≤30 mA\u003c\/li\u003e \u003cli\u003eSafety: BF applied part\u003c\/li\u003e \u003cli\u003eDimensions: 60 mm (L) × 34 mm (W) × 33 mm (H)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEmpower your health monitoring with the Contec CMS50NA OLED Fingertip Pulse Oximeter—the practical, portable way to capture SpO2 and pulse rate readings with confidence wherever you go.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CONTEC","offers":[{"title":"Black","offer_id":43761277796388,"sku":"3.01.056.05.007","price":54.14,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":43761277829156,"sku":"3.01.056.04.002","price":54.14,"currency_code":"USD","in_stock":true},{"title":"Gray","offer_id":43761277861924,"sku":"3.01.056.05.008","price":54.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2281\/7497\/files\/50N.jpg?v=1772951678","url":"https:\/\/www.treselite.com\/ko\/products\/oled-fingertip-oxymeter-spo2-pr-monitor-blood-oxygen-pulse-oximeter-cms50na","provider":"Très Elite","version":"1.0","type":"link"}