Wear the arm cuff
Make the nozzle of the arm cuff point to your forearm, the arm cuff is 1-2cm higher than the elbow joint. The red-marked area on the arm cuff point to your mid-finger, please keep the nozzle upwards.
Posture of measurement
Place your forearm on the table, keep your palm up, sit up straight, keep the central area of the arm cuff the same height as your heart.
1. Keep back straight, relax
2. Expose your upper arm or wear thin clothe only
3. Relax, make your arm upwards
4. Keep the central area of the arm cuff the same height as your heart