The cuff should be about below the palm line.
CK-102S Wrist Blood Pressure Monitor is a compact, oscillometric device designed for non-invasive arterial blood pressure and pulse rate measurement. It features intelligent automatic pressurization and a memory capacity for 60 sets of data divided into two user zones. U.S. Food and Drug Administration (.gov) Quick Start Guide wrist electronic sphygmomanometer ck-102s manual
A: Yes, but be aware readings may differ slightly (usually 5–10 mmHg). Use the same wrist consistently for comparisons. The cuff should be about below the palm line