Optical Tachometer
It is a must have tool for any pilot, and can measure RPM of any rotating object, such as all kinds of helicopters, fixed-wing airplanes with propellers and multi-copters. With high accuracy, fast response, compact size, ergonomic design and easy operation, this Optical Tachometer makes pilots have more fun!
5 Presets RPM
The RPM range that the Optical Tachometer could test is from 700RPM to 4500RPM. In order to make it convenient for you to enter close RPM and find out the exact RPM in a short time, 5 presets of RPM can be saved in this unit and you could enter any preset by pressing "F" key. Each preset RPM value can be set according to your different helicopters and airplanes, and also the last RPM value before shutting off will be saved as preset.
