This tachometer utilizes advanced microcomputer technology for non-contact measurements, providing accurate readings of rotational speed, linear velocity, and frequency for enhanced convenience. It boasts a broad measurement range and high resolution, complemented by an automatic measurement memory function that ensures critical data is preserved, making it user-friendly. The device features a built-in automatic shutdown mechanism that conserves power, prolongs its operational lifespan, and is for extended use. This versatile tachometer is suitable for a variety of manufacturing sectors such as motors, automobiles, papermaking, and chemical fibers, effectively addressing diverse measurement needs. Service: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.