Hot sale digital Upper arm electronic sphygmomanometer blood pressure monitor arm for home use KP-7690
The operation steps of KP-7690
1. Put the armband on the upper arm to be tested (the elasticity should be one finger width is the most suitable), and make the armband air nozzle point to the small arm.
2. Make sure that the lower edge of the armband is at least 2-3 cm from the elbow joint, and the air nozzle is inside the arm.
3. Sit still for about 5 minutes, then place your lower arms flat on the table, palms up, and sit up straight. The center of the armband is at the same height as the heart. Please note that the air tube on the armband is not twisted or discounted.
4. Press the start button to measure. It is not suitable to measure after a meal, after exercise, or under emotional agitation.