Experience precise and versatile speed measurement with our advanced Digital Tachometer, model DT2236E, designed using cutting-edge microcomputer (CPU) technology combined with photoelectric, anti-interference, and junction laser technologies. This tachometer offers both non-contact and contact speed measurement capabilities, providing accurate RPM and surface speed (m/min) readings suitable for a wide range of industrial and professional applications. Key Features: · Advanced Multi-Technology Design: Incorporates microcomputer CPU, photoelectric sensors, anti-interference mechanisms, and laser junction technology to ensure highly accurate and reliable speed measurements. · Dual Measurement Modes: Easily switch between contact and non-contact measuring modes with included accessories, enabling versatile use for different objects and surfaces. · Specialized Speed Sensor: Equipped with a grooved speed sensor to conveniently measure the speed or length of wires, cables, and ropes with precision. · Extensive Data Storage: Automatically saves maximum, minimum, and last recorded values, with the capacity to store up to 96 consecutive data sets for efficient tracking and analysis. · User-Friendly Interface: Features a large LCD display with white backlight for clear visibility in any lighting condition, high resolution, and wide measurement range to accommodate diverse applications. Low battery indicator ensures you are always informed of power status. · Durable and Ergonomic Design: Crafted with a smooth ABS plastic shell for comfortable grip and long-lasting durability. The lightweight yet sturdy construction makes it ideal for both field and workshop use. Specifications: · Item Type: Digital Tachometer · Model: DT2236E · Material: ABS Plastic · Battery: 3 x 1.5V AA batteries (not included) · Measurement Range:  - Non-contact speed: 2.5 to 99,999 RPM  - Contact speed: 0.5 to 19,999 RPM  - Contact surface speed: 0.05 to 1999.9 m/min Package Includes: · 1 x Digital Tachometer (DT2236E) This Digital Tachometer combines precision, versatility, and durability, making it an essential instrument for measuring rotational and surface speeds in various industrial, automotive, and maintenance environments. Its multifunctional design and comprehensive data storage capabilities ensure efficient and accurate speed monitoring every time.