Upon agree with the client at a small fee
Professional Manual Sphygmomanometer: Accurate measurement adopts double scale display, which can clearly read and accurately understand your blood pressure data
[Mercury Column Sphygmomanometer Key Structure]: The mercury valve is a part that many people are used to ignoring. Remember to change this valve at the beginning and end of the blood pressure measurement. Safer and more precise use
Working principle: inflate the cuff to compress the measurement site to block the blood flow, and then discharge the gas in the cuff to make the blood flow again. The blood pressure measurement is based on the sound of blood flow or the vibration changes of the arm when the blood flows again.
Detailed design: add mercury blocking paper on the top of the test tube to prevent leakage from improper use of mercury, safe use
[Simple and easy to use]: Everyone can use it and take care of the health of the family, easy-to-read blood pressure measuring instrument without liquid barometer, displays large and easy-to-read numbers, perfect for people with poor eyesight.
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