yuwell Blood pressure meter mercury sphygmomanometer desktop medical blood pressure meter listening device auscultate fetal heart

Mercury sphygmomanometer, accurate measurement.
Numbers are clear and easy to observe.
Desktop sphygmomanometer.

Dear buyer,
After long-distance international transport, inside the glass tube in the sphygmomanometer, if there are multi-segment mercury column, how to do?

first step,
First open the sphygmomanometer at a 90 degree angle and then turn the mercury switch on.

The second step,
Holding the upper end of the blood pressure monitor,The other hand to beat the bottom of the sphygmomanometer in the mercury below the mercury position, so that the mercury column flow down, the mercury surface to restore the scale 0.

third step,
Close the mercury switch and close the sphygmomanometer.