Finger On Pulse
CMS50QB Paediatric Pulse Oximeter
CMS50QB Paediatric Pulse Oximeter
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Reliable Oxygen Monitoring at Your Fingertips
The CMS50QB Pulse Oximeter is designed to accurately measure pulse oxygen saturation (SpO₂) and pulse rate of children through the fingertip. Whether for home users or medical professionals, it provides quick and reliable readings in a user-friendly format.
Key Features
- SpO₂ and pulse rate measurement with high accuracy
- Bar graph and pulse waveform display for easy interpretation
- Adjustable display mode and automatic screen rotation
- Low-battery indicator to prevent unexpected shutdowns
- PR sound indication with alerts for over-limit values and low battery
- Rechargeable battery with charging function
- Automatic standby mode for power saving
Designed for Convenience and Versatility
The CMS50QB Pulse Oximeter is ideal for paediatric use. Its compact and lightweight design makes it easy to carry and use anytime, anywhere.
Why Choose the CMS50QB Pulse Oximeter?
With its precise readings, intuitive interface, and reliable performance, the CMS50QB is a must-have device for anyone who needs consistent oxygen level monitoring.
User-Friendly and Convenient
The Contec CMS50QB Paediatric Pulse Oximeter is designed for effortless use, featuring four display modes for optimal readability. Its “upside-down mode” ensures clear data visibility, even when placed on your child's fingertip.
For accurate measurements, the device should only be used while at rest, as the manufacturer does not recommend use during sporting activities. The oximeter is rechargeable, eliminating the need for battery replacements. It comes with a dedicated charger that connects easily to a USB port (laptop, computer) or a wall socket using the included USB plug adapter (DC).
Energy efficiency is a key feature—the device automatically powers off after 5 seconds of inactivity. Compact and lightweight, the CMS50QB is easy to carry with the included neck cord. When it’s time for a reading, simply detach the oximeter from the lanyard using the quick-connect clip, and you're ready to measure.


