No-Contact handheld digital photo tachometer with stable performance.
Wide measuring range(2.5RPM to 99999 RPM) & high resolution(0.1RPM or 1RPM).
Automatically record the MAX. value, Min. value and Last value with low battery indication.
Capable of measuring at a distance from 2-20in(50-500mm) with large LCD display.
0.8 Second sampling time and 5-digit 18mm LCD display with non-contact RPM measurement. Wide usage: usually can be used in the field of motor, wheels, lathe for metal or wood cutting work, electrical fan, paper making, plastic industry, chemical fiber, washing machines, car making etc.