This Digital Tachometer is a high-performance tool designed for swift and precise measurements of rotating objects, making it ideal for assessing the RPM of engines and motors. With an accuracy of 0.05%, this tachometer ensures reliable and consistent results. The inclusion of an easy-to-read LCD screen enhances user convenience, providing instant access to crucial data. Versatility is a key feature, as the device accommodates both contact and non-contact RPM measurements, catering to various measurement needs. Whether you're in automotive, industrial, or research settings, the Oxford Precision Digital Tachometer stands as a dependable solution for accurate and efficient RPM assessments. Features and Benefits Takes both non-contact RPM and surface speed measurements of rotating objects Uses the CPU technique, photo-electrical technique, and junction laser technique for one instrument combined PHOTO TACH (RPM and REV) Two test modes; rotate speed mode (unit: RPM) and count mode (uni