General description The Digital Tachometer is a professional-grade device designed for precise measurement of rotational speed. It features an automatic zero adjustment function, allowing users to easily read stored data along with minimum and maximum values at any time. The tachometer utilizes a high-intensity Class II laser to measure speeds ranging from 2.5 to 99999 RPM, displayed on a 5-digit widescreen LCD for clear visibility. Technical specifications Measurement range: 2.5 to 99999 RPM Display: 5-digit widescreen LCD Accuracy: +/- 0.05% Power source: 6F22 9V battery (not included) Housing material: Robust ABS plastic Usage The Digital Tachometer is widely used in various fields including motors, electric fans, paper making, automotive applications, plastics industry, chemical fibers, and washing machines. Other information Automatic zero adjustment feature High-performance electronic components Maintenance-free for years