The handy surface potential meter works as a portable digital display instrument, and it accurately measures the surface potential of charged objects without any contact. As a result, users can perform fast and reliable measurements while avoiding damage to sensitive surfaces. Moreover, the clear digital display improves readability, which supports quick decision making during inspections. In addition, the compact and lightweight design allows easy daily use in various environments. Therefore, this meter supports efficient, day-to-day static electricity management across production, maintenance, and quality control tasks.