Aneroid sphygmomanometer consists of a stethoscope and cuff which is connected to manometer with gas ball by rubber hoses.
Device features:
Measurement range: 0-40 [kPa] (0-300 [mmHg])
Minimum value on the scale: 0.5 [kPa] (3.75 [mmHg])
Measurement accuracy: +/- 0.5 [kPa] (3.75 [mmHg])