Musical Instrument Tuner

Musical Instrument Tuner is a chromatic tuner for tuning all types of musical instrument, for example pianos and guitars. Put the tuner near the instrument, play a note, and see what it is. The tuner shows the note (eg F#), the frequency (eg 362. 4Hz) the octave (A in octave 4 is 440Hz) and the tuning error in percent.