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Item specifics
  • Item Type: Blood Pressure
  • Brand Name: YongNuo
  • Material: Plastic
  • Application: Finger
  • Size: Finger Size
  • Model Number: CMS-50D
  • Commodity Quality Certification: CE
  • is_customized: Yes
Product Description


Digital CONTEC CMS50D OLED Fingertip Blood Oxygen Monitor Fingertip Pulse Oximeter SPO2 oximetro de pulso oximetro de dedo
Indication for Use
The Fingertip Pulse Oximeter is a non-invasive device intended for the spot-check of oxygen saturation of arterial hemoglobin(SpO2) and the pulse rate of adult and pediatric patients in home and hospital environments (including clinical use in internist/surgery, anesthesia, intensive care etc.). This device is  not intended for continuous monitoring.

Major Features

Operation of the product is simple and convenient
The product is small in volume, light in weight and convenient in carrying
Power consumption of the product is low and two originally equipped AAA batteries can be operated continuously for 20 hours.
The product will automatically be powered off when no signal is in the product with 5 seconds.
4 directions display mode without waveform
Waveform display mode as line drawing or filling manner
Major Applications and Scope of Application
The Pulse Oximeter can be used to measure human Hemoglobin Saturation and pulse rate through finger, and indicate the pulse intensity by the bar-display. The product is suitable for use in family,hospital (Ordinary sickroom), Oxygen Bar, social medical organizations and also the measure of saturation oxygen and pulse rate.
Technical Specifications
1. Display format: OLED Display
SpO2 Measuring Range: 0%-100%
Pulse Rate Measuring Range: 30bpm-250bpm
Pulse Wave Display: columniation display and the waveform display
2. Power requirements:2*1.5V AAA alkaline battery
Adaptable Range:2.6V-3.6V
3. Power Consumption: Smaller than 30MA
4. Resolution:1% for Spo2 and 1 bpm for Pulse Rate
5. Measurement Accuracy: ±2% in stage of 70%-100% SpO2,and meaningless when stage being smaller than 70%.±2bpm during the pulse rate range of 30-99bpm and ±2% during the pulse rate range of 100-250 bpm.
6. Measurement Performance in Weak Filling Condition:SpO2 and Pulse rate can be shown correctly when pulse-filling ratio is 0.4%.SpO2 error is ±4%,pulse rate error is ±2bpm during the pulse rate range of 30-99 bpm and ±2% during the pulse rate range of 100-250bpm.
7. Resistance to surrounding light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of darkroom is less than ±1%.
8. It is equipped with a function switch. The Oximeter can be powered off in case no finger in the Oximeter within 5 seconds.

Standard configuration

 Finger Pulse Oximeter

Model : CMS 50D
We have 6 colours: white, black, yellow, pink,
                                   dark blue and light blue. 
If you have color demands,please leave message to us.
If we don\'t receive your requirements for color, we will deliver in random color. Thanks for your understanding!







A. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer\'s responsibility. 
B. Please check with your country\'s customs office to determine what these additional costs will be prior to bidding/buying. 
C. We only ship to confirmed order address,your order address Must Match your recipient address.



1: We accepte Alipay on Aliexpress.

2: You can pay using Visa, Mastercard, Western Union, Qiwi and Bank Transfer

3: All the payment are accepted through security payment processor ESCROW.

4: Payment must be made within 3 days after place order.

Delivery Details:

1: Woldwide Shipping.(Except some countries and APO/FPO address)

2: The orders processed timely after payment verification.

3: We only ship to confirmed order address, your order address Must Match your recipient address.

4: Service Transit Time is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.

5: If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!

Returns & Refunds:

1: 12 months Manufacturer\'s Warranty. Buy with confidence! Accessories come with a 3-month warranty.

2: If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back. Please contact me before you return it.

3: Defective items MUST BE reported and returned to us within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number.

4: Return shipping cost be paid by the Buyer.


About Us:

1: We are not responsibility for any important duties, taxes and charges. Please check with your country\'s customs office to determine what these additional costs will be prior to bidding/buying.

2: All emails will be answered whith 1 business day. If you do not receive our reply, please kindly resent your email and we will reply to you as soon as possible.

3: Serious buyer only! Please place order only if you agree with all the terms.


1: We will leave POSITIVE FEEDBACK after receiving the payment.

2: We maintain high standards of excellence and strive for 100% customer satisfaction!

3: Please contact us if you are not satisfied with the item after receive it, We will give you a satisfactory solution before leave Neutral or Negative Feedback.








Packaging Details
  • Unit Type: piece
  • Package Weight: 0.05kg (0.11lb.)
  • Package Size: 10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.05kg (0.11lb.)
  • Package Size: 10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)
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