Digital Panel Tachometer

Range 5 to 9,9990 RPM
Resolution 0.1 RPM ( 5 to 999 RPM ).
1 RPM ( 1000 to 9,999 RPM ).
10 RPM ( over 10,000 RPM ).
Accuracy ± (0.05% + 1 d).Digital Panel Tachometer
Power supply AC 110V,220V, 50/60 Hz ( or 230V
internal adjustment ).