The Extech 461995 Tachometer is a versatile and reliable tool designed to provide both contact and non-contact RPM measurement functions for a wide range of applications. With this tachometer, you can accurately measure RPM in various scenarios with ease.The Extech 461995 offers both contact and non-contact measurement options, allowing you to choose the most suitable method for your specific needs. For non-contact measurements, the tachometer utilizes a laser guide, enabling you to take RPM readings from a safe distance of up to 6.5 ft. (2 meters). This feature ensures added safety and convenience during your measurements.For contact measurements, the tachometer comes with wheels that allow you to measure linear surface speed in units of feet per minute or meters per minute. This enables you to determine RPM based on the linear speed of rotating objects, providing accurate results for a variety of applications.With a wide RPM measurement range of 0.5 to 19,999 RPM for contact measurements and 10 to 99,999 RPM for non-contact measurements, the Extech 461995 is suitable for virtually all RPM measurement tasks. Whether you need to measure the speed of rotating machinery, engines, motors, or other equipment, this tachometer can handle the job effectively.The Extech 461995 is designed with user-friendliness in mind. It features a clear and easy-to-read LCD display that provides accurate RPM readings. The meter is compact and lightweight, making it portable and convenient for on-the-go measurements.Whether you are working in maintenance, quality control, or any other field that requires RPM measurements, the Extech 461995 Tachometer is a reliable and versatile tool to have in your toolkit. Its combination of contact and non-contact measurement capabilities, along with its user-friendly design, ensures accurate and efficient RPM measurements for a variety of applications.