What is the difference between a mercury sphygmomanometer and an electronic sphygmomanometer?
A mercury sphygmomanometer is really just a mercury manometer. Only a doctor (or someone trained) can measure blood pressure with a stethoscope.Usually users cannot measure their own blood pressure with a mercury sphygmomanometer.
Mercury, as a substance of great environmental pollution, is banned in most countries in the world.
The electronic sphygmomanometer, a combination of sensor technology and microcomputer technology, is designed to perform three basic tasks:
1. Blood pressure induction
2. Distinguish high and low pressure
3. Display the measurement results on the screen.
Feel blood pressure from sensors, home electronic sphygmomanometer in the application of the pressure sensor must be of high performance low cost, higher sensitivity, don't need a large measuring range. For healthy people are suitable for household electronic sphygmomanometer from measured there are two main ways, one is the arm, the second is the wrist, 3 it is watch sphygmomanometer.