1. Offers a wide measurement range of 60 to 99,999 RPM/FPM with a measurement accuracy of 0.001%, providing reliable non-contact rotational speed testing for high-speed machinery and equipment. 2. Equipped with a 16-LED high-output illumination array delivering up to 1500 LUX illuminance, enabling visual observation of moving components under various ambient lighting conditions. 3. Powered by an integrated 7.4V / 2200mAh rechargeable lithium battery with ultra-low working power consumption (less than or equal to 0.2W), supporting uninterrupted workflow during field inspections. 4. Features an LCD display screen for immediate readings, paired with a quick-adjust rotary dial and functional buttons for seamless frequency tuning and operation. 5. Built with a compact, handheld ergonomic housing weighing only 320g. Suited for non-contact speed diagnostics of motors, fans, belt systems, and automated factory equipment. 6. Dimensions: 210 x 90 x 57mm
