IntroductionCongratulations on your purchase of our Contact/NonContact Tachometer model MTP AT8.Careful use of this meter will provide years of reliable service.1. Features The digital tachometer provides fast and accurate contact and noncontact RPM andsurface speed measurements of rotating objects Measurement types : Rotation Speed (RPM/rpm) Total Revolutions (REV) Frequency(Hz) Surface Speed (m/min in/min ft/min yd/min and Length (m in ft yd) Offers a wide measurement range and high resolution Large easy to read LCD display with backlight 40 readings memory: 10 selectable MAX measurements 10 selectable MINmeasurement 10 selectable AVG measurements 10 selectable DATA measurement