Enhance your speed and velocity measurements with this advanced Contact Digital Tachometer, designed for precise and efficient contact measurement using MCU and electrooptical technology. This versatile device offers a wide measuring range and high resolution, making it ideal for accurately detecting rotational speed, linear velocity, or frequency in various applications including motors, fans, washing machines, automobiles, and aviation industries. Key Features: · Advanced MCU and Electrooptical Technology: Provides efficient and accurate contact measurements for reliable data acquisition. · Wide Measuring Range and High Resolution: Measures rotational speeds from 0.5 to 19,999 RPM, linear velocities from 0.05 to 1,999.9 m/min or 0.2 to 6,560 ft/min, with precise resolution tailored to the measurement range. · Clear LCD Backlight Display: Ensures easy reading of measured values with clear indication even in low light environments. · Multi-Value Measurement Function: Records Max, Min, and Last values to track and analyze performance variations effectively. · Equipped with Linear Channel Rate Sensor: Simplifies measuring the linear speed of wires, cables, and other materials. · Convertible Accessories: Includes multiple attachments to accommodate different types of measurements, enhancing versatility. · User-Friendly Features: Automatic power off to conserve battery life and low battery indication for timely replacement. · Portable and Protective: Comes with a durable protective bag for secure storage and easy transportation. · Robust ABS Material: Lightweight yet durable construction with compact dimensions of approximately 17 x 5.6 x 3.5 cm (6.7 x 2.2 x 1.4 in) and a weight of about 125g (4.4oz). Specifications: · Measuring Range: 0.5 ~ 19,999 RPM; 0.05 ~ 1,999.9 m/min; 0.2 ~ 6,560 ft/min · Resolution: 0.1 RPM (0.5 ~ 999.9 RPM) / 1 RPM (above 1000 RPM) 0.01 m/min (0.05 ~ 99.9 m/min) / 0.1 m/min (above 100 m/min) 0.1 ft/min (0.1 ~ 999.9 ft/min) / 1 ft/min (above 1000 ft/min) · Accuracy: ±(0.05%+1 digit) · Sampling Time: 0.8 seconds (for speeds over 60 RPM) · Power Supply: 3 x 1.5V AAA batteries (not included) · Power Consumption: Approximately 30mA · Operating Temperature: 0~50°C (32~122°F) · Storage Temperature: -10~60°C (–14~140°F) Package Includes: · 1 x Digital Tachometer · 5 x Rubber Tips for contact measurement · 1 x Protective Bag for secure storage · 1 x User Manual (English) This Contact Digital Tachometer is the perfect tool for professionals and hobbyists seeking accurate and reliable speed measurement. Its efficient technology, versatile functions, and convenient portability make it a valuable addition to any toolkit, ensuring precise monitoring and maintenance of rotating or linear equipment.