Traditional Culture Encyclopedia - Traditional culture - Calibration of mercury sphygmomanometer
Calibration of mercury sphygmomanometer
Yes Let out all the gas. See if the mercury is on the zero line. Not too high or too low. If it's on that line. You must add mercury. Just add it to the line level, which is generally not high, if it is high. You have to let go of one to be flush with the line. This mercury sphygmomanometer can only be calibrated online.
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