A pen-type vibration tester is a compact, handheld device used to measure and
        monitor vibration levels in machinery, tools, and equipment. It is commonly used
        in maintenance, troubleshooting, and quality control processes to detect issues
        such as imbalances, misalignments, or wear in rotating or moving parts.
A pen-type vibration tester is an essential tool for maintenance
        professionals to quickly assess and monitor the health of machinery, helping to
        prevent costly downtime and prolong equipment life.