1. Non-contact speed: 99,999 RPM 2. Contact speed: 20,000 RPM 3. Contact line speed: 99,999 inches/min 4. Contact line speed: 99,999 feet/min 5. Contact line travel speed: 99,999 meters/min 6. Power supply: 1200 mAh lithium battery 7. This dual-purpose device features a removable contact probe shaft holder for easy operation, allowing for both contact and non-contact measurement, providing greater flexibility. 8. The shaft holder utilizes a dual-bearing design for more stable rotation and more accurate measurement results. 9. Utilizing photodiode and laser tube sensors, the device offers high sensitivity and strong anti-interference capabilities. 10. Equipped with photoelectric speed measurement mode, contact speed mode, contact line mode, and maximum, minimum, and average measurement modes. 11. This product utilizes a two-shot injection molded, non-slip soft packaging process to effectively reduce hand fatigue after prolonged use. 12. Real-time data communication and processing with a computer via USB cable. Displays real-time data tables and graphs. 13. USB port for real-time data communication and processing with a computer. 14. Weight: approximately 140g 15. Dimensions: 184x60x33mm
