Contec Finger Pulse Oximeter – CMS50DL for SPO2 and BPM Monitoring



The fingertip pulse oximeter is battery-operated, accurate, convenient and easy to use allowing you to monitor blood oxygen levels quickly, discretely and painlessly wherever you are, whenever you wish.


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SKU: CMS50DL_Blue Category:


  • Accurate, reliable & dependable measurement of blood oxygen & heart pulse rate
  • Brand new, boxed, CE marked
  • Lightweight < 50g with batteries in
  • Small size 55mm (L) x 33mm (W) x 32mm (H)
  • Low power consumption / 30 hours continuous operation
  • One-button-operation
  • Full instruction booklet included
  • Carry case included
  • Automatic switch-off after 5 seconds inactivity to save power
  • Carry case, and instruction manual included
  • Brand new, boxed and CE marked
  • 2 x AAA Duracell batteries included free
  • Fast, free UK delivery
  • 100% no quibble satisfaction guarantee

 If you’re looking for an easy-to-use, accurate, lightweight, pocket-sized solution to monitor your blood oxygen levels and heart pulse rate anywhere and at any time then this is the device for you…

A simple to use solution that thousands of asthmatics, paramedics and other healthcare professionals, sports and fitness enthusiasts and mountain climbers worldwide are already using.

Working on the principle that oxygenated blood is a different colour from de-oxygenated blood, the oximeter uses red and infrared light to compare the ratio of oxygenated to de-oxygenated blood giving a highly accurate measure of the oxygen saturation percentage of the blood.

Hospitals and healthcare clinics have used oximetry machines to monitor respiratory and other conditions for many years, but these machines were very large and cumbersome with large screens for display. The finger pulse oximeter is 5.5 cm long, 3 cm wide and weighs less than 50g with the batteries in. 

With one-button-operation the universal finger clip for all adult finger sizes fits on your finger and immediately registers your blood oxygen saturation percentage, heart rate and SpO2 levels clearly on the LED display. Running off 2 x AAA batteries, which are included meaning your oximeter is ready to go when you receive it, with an automatic switch-off after 5 seconds of inactivity to save power, and a running life of 30 hours of continuous operation this device could not be more long-lived and reliable. The battery low indicator means you have plenty of warning to replace the batteries.

Note that this model is not suitable for continuous monitoring.

Please consult your doctor before using any devices for diagnostic purposes.


free fast uk delivery

All the products on our website come with free UK First Class delivery. There are no hidden costs. The prices on the website are for the product delivered direct to your door.

overseas delivery

EU and European orders : £5.50 for the first item and £3.50 for each additional item

US and worldwide order: £ 10.00 per item

100% refund guarantee

We offer a 100% no quibble refund guarantee if you are not completely satisfied with the product. Simply let us know within 30 days of your purchase, return your items and we will refund you in full.

If you have any problems, don’t hesitate to get in touch.


Bodybuilder working out

Weight0.135 kg
Dimensions10.7 × 8.5 × 4.5 cm

2 x AAA batteries


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