Compact handheld digital tachometer with a large LCD display and low battery reminder. - Size: 10.8 x 6 x 3.2 cm (4.25 x 2.36 x 1.26 in); easy to hold and read in tight spaces. - Display and indicators: large LCD screen with a low battery reminder for quick status checks. - Data memory and detection: records up to 50 data sets and includes automatic detection to streamline measurement tasks in production settings. - Non-contact measurement: non-contact speed measurement provides high accuracy, fast readings, reliability, and stability while keeping users safe. - Performance: speed range 2.5 RPM to 99999 RPM; resolution 0.1 RPM; accuracy ± (0.05% + 1). - Applications and compatibility: suitable for a wide range of rotating equipment in manufacturing, quality control, and maintenance. Used for motors, fans, drills, conveyors, and other rotating parts to verify process control and equipment performance. Use scenarios: - In an assembly line, measure motor shaft RPM to ensure correct conveyor timing and synchronization. - For cooling fans or blowers, verify RPM to maintain proper airflow and system balance. - During maintenance or setup of drills or CNC equipment, check tool RPM to confirm correct operating speeds.