Using the correct size cuff is important for an accurate reading. Measure the circumference of your upper arm at the midpoint between the shoulder and elbow. Select the proper cuff size from the chart below.
Small - arm size 6.3" - 9.4" (16-24 cm)
Medium - arm size 9" - 14.6" (23-37 cm)
Large - arm size 12.2" 17.6" (31-45 cm)
This blood pressure monitor was clinically validated by an independent organization. Blood pressure measurements determined with this device are equivalent to those obtained by a trained observer using the cuff/stethoscope auscultation method within the limits prescribed by the American National Standards Institute for electronic sphygmomanometers.