CMS50M Pulse Oximeter: Fingertip SpO2/PR Monitor

The CMS50M Pulse Oximeter is a pocket-sized, non-invasive device that quickly estimates your blood oxygen saturation (SpO2) and pulse rate (PR) from your fingertip. Built for portability and accuracy in real-world settings, it’s a practical companion for home health, fitness sessions, travel at altitude, and clinical environments alike. Because readings can be influenced by individual traits, it’s advised to establish a healthy baseline value at rest and consult a licensed healthcare professional to interpret results in the context of personal characteristics.

Key features that matter in everyday use

• Dual-measurement at a glance: SpO2 and Pulse Rate are displayed simultaneously with a clear bar graph for quick interpretation.
• Compact, portable design: 60 mm (L) × 34 mm (W) × 33 mm (H) fits a pocket or bag for on-demand checks anywhere.
• Ambient-light robust: Less than ±1% deviation when exposed to indoor or natural light, helping readings stay stable in most environments.
• Low battery indicator: Lets you know when power is running low so you’re never caught off-guard.
• Power and safety: Powered by two AAA batteries with a BF-rated applied part for safe fingertip use.
• Reliable at a range of activity levels: Performs with a weak pulse filling ratio (0.4%), providing readings even when blood flow is not strong.

Technical specifications at a glance

• 0%–100%
• 70%–100%: ±2%; 0%–69%: unspecified
• 30 bpm–250 bpm
• ±2 bpm or ±2%, whichever is greater
• Measurement performance (weak filling): SpO2 error ±4%, PR error ±2 bpm or ±2%
• Display: SpO2, PR, and bar graph
• Power: ≤25 mA current draw; two AAA batteries
• Safety: Type BF applied part
• Dimensions: 60 mm (L) × 34 mm (W) × 33 mm (H)

Who benefits most from the CMS50M

Ideal for:

• Home health supporters tracking resting and post-exercise oxygen levels
• Fitness enthusiasts who want quick SpO2/PR feedback during or after workouts
• Travelers and hikers at high altitude who need a convenient wellness check
• Clinics, community health programs, and family care settings needing portable monitoring

Use cases and practical scenarios

• Pre- and post-exercise checks to gauge recovery and cardiovascular response
• Altitude acclimatization monitoring during mountain trips or high-altitude work
• Home care for loved ones requiring non-invasive oxygen saturation monitoring
• Operator-friendly check-ins in fitness centers or physical therapy rooms

Why this CMS50M stands out

What sets the CMS50M apart is its blend of compact design, dependable performance, and thoughtful safeguards for real-world use. The device provides clear, actionable readouts without overwhelming you with jargon. Its resilience to ambient light helps prevent inconsistent readings in everyday environments, while the 0.4% weaker pulse filling tolerance ensures you still get meaningful numbers during moments of light blood flow. The combination of a straightforward display, long-standing battery life, and the BF class safe design makes it a reliable choice for both home and professional settings.

Tips for accurate readings

• Use on a warm, clean fingertip; remove nail polish or artificial nails if possible.
• Take multiple readings over a few minutes and note the baseline SpO2 when at rest for comparison.
• Interpret values in context: readings can vary with skin tone or physiology, so consult a healthcare professional for personalized guidance.
• Keep fresh batteries on hand and replace when the low-battery indicator appears.

What’s included

• A hanging rope for convenient storage or display
• User manual for quick setup and operation

Ready to monitor your oxygen saturation and heart rate with a compact, dependable fingertip oximeter? The CMS50M delivers clear readings, practical feedback, and portable reliability for everyday wellness and active lifestyles.