1. PRECISIONS MEASUREMENT CAPABILITIES: This noncontact digital tachometer accurately measures rotation speeds from 2.5 to 99999 RPM with exceptional resolution 0.1 RPM for lower speeds (2.5 999.9 RPM) and 1 RPM for higher speeds (1000 99999 RPM), delivering professionalgrade readings with ±0.02% accuracy for industrial and automotive applications. 2. ADVANCED LCD DISPLAY WITH DATA RECORDING: Equipped with a large LCD screen featuring white backlight for clear visibility in various lighting conditions, this photoelectric tachometer stores up to 60 measurement groups and displays last, minimum, and maximum readings, allowing for comprehensive analysis and comparison of rotation speeds over time. 3. VERSATILE INDUSTRIAL APPLICATIONS: Specially designed for measuring speed of engines, wheels, lathes, fans, papermaking machines, fibers, washing machines, and equipment in plastic and automotive manufacturing industries, this lasers tachometer becomes an essential tool for maintenance technicians, engineers, and quality control professionals. 4. CONVENIENT OPERATION AND MEASUREMENT DISTANCES: Capture accurate RPM readings from a safe distances of 50 500mm (2 20 inches) with rapid 0.5 second response time (above 120 RPM), offering both automatic and manual measurement modes.