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Contec CMS50D1 pulse oximeter

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The advantages of the Contec CMS50D1 pulse oximeter:

  • In addition to SpO2 (oxygen saturation), the clear OLED display also shows the heart rate
  • Screen can rotate for easy reading
  • adjustable display brightness
  • Small and lightweight design (weighs only 57 grams incl. batteries)
  • Also shows heart rate with live graph
  • Automatically switches off (after ± 5 seconds)
  • Low battery indicator
  • Measurement range of saturation: 0 – 100%
  • Saturation Accuracy: 70 – 100% ± 2% (below 70% indeterminate)
  • Heart rate measuring range: 30 – 250 bpm (accuracy ± 2 bpm)
  • Suitable for children from four years old and adults (15kg – 110kg)
  • Low energy consumption
  • 1 year warranty

  • Trustworthy & accurate assortment
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  • More than 50.000 satisfied customers
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  • Extensive customer service Mon. to Fri. from 9:00 am to 17:00 pm
  • Also order by phone on 0182 - 23 93 93
  • Orders placed before 16:59 on working days shipped today
  • World wide shipping from 50 euros, otherwise 5,95
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  • Need today? Pick up possible
  • 30 days cooling-off period. Return without giving a reason
  • Pay as you want: in advance or afterwards
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The Contec CMS50D1 is a good and accurate one oximeter, which measures the heart rate in addition to the oxygen content in the blood. The measurement is extremely simple and completely painless. All you have to do is clip the oximeter on a fingertip, switch it on and it starts measuring right away.

The pulse oximeter is small and compact and has an easy-to-read screen that displays SpO2 and heart rate. The screen also shows a live graph of the heart rate. In addition, the Contec CMS50D1 has multiple display options and the brightness of the screen can be adjusted. This way you can easily measure your SpO2 (oxygen saturation) and measure heart rate.

The Contec CMS50D1 is particularly suitable for people with asthma, COPD, Covid-19, Lung Covid, heart failure, chronic obstructive pulmonary disease and other respiratory diseases, but can also be used for other purposes such as sports and mountain hiking.

Need personal and expert advice?

icon advice Personal en expert advice

icon box Ordered before 16:59, shipped today!*

icon lock  Safety pay, also afterwards

icon return period  30 days cooling-off period **

Plus & minuses

  • Very easy to use, quick and reliable measurement.
  • Multiple display modes and brightness levels for easy-to-read measurements.
  • OLED screen shows SpO2 and heart rate.
  • Shows heartbeats with live graph.
  • Turns itself off (after 5 seconds).
  • No bluetooth.

Frequently asked questions about this product

There are currently no questions about this product

Package contents

The Contec CMS50D1 pulse oximeter is delivered to you complete. In the box you will find everything to start measuring right away. The box contains:

  • Contec CMS50D1 pulse oximeter
  • English manual
  • 2x AAA batteries
  • Carrying strap

Useful documents and links

Useful documents belonging to the Contec CMS50D1 pulse oximeter:

  • English manual Contec CMS50D1 pulse oximeter

Additional information
Weight 0,057 kg
Dimensions 6,1x3,6x3,2 cm
EAN number




Warranty period

1 years

Repair type





Deviation +/- 2%


Saturation (SpO2 %), Heart Rate (pulse)

Power supply (power supply)

AAA batteries

Target audience


Computer connection


Smartphone connection