Ycdmgxg Manual Sphygmomanometer Mercury-Free Sphygmomanometer Kit Arm Manual Sphygmomanometer with Double Tube Double Head Stethoscope Upgrade

★ Aneroid sphygmomanometer + single head stethoscope for an optimal control of blood pressure and heart rate. Regular measurement of blood pressure is an important part of the prevention and treatment of high blood pressure. This requires to have a tensiometer with precise measurerments.
★ Working principle: The arm belt is inflated to compress the measuring part to block the current, and then the gas in the arm band is discharged to make the blood flow again. The blood pressure measurement is judged based on the blood flow sound or the vibration of the blood vessel arm when the blood flows again.
★ Long life, precise measurements: ideal for professional or private use, hospital, retirement home, clinic, emergency doctor or first aid. Measurement values are easily readable and accurate. Scale marking up to 300mmHg.
★ Manual pressure measurement at the arm: the velcro cuff is universal. You can adapt it to all arm sizes. The chromed valves of the rubber bulb allows a precise control of deflation. The stethoscope offers a good acoustic, resonance and comfort.
★ Convenient to use: It has the characteristics of small size, light weight and the same effect as the mercury sphygmomanometer. It is designed with anhydrous mercury and is safe and reliable. It is widely used in home users.