If your looking for a stand alone tuner at a great price then check out this Ashton CT150...
Auto & Manual tuning modes
Tuning range: A0 - C8
Pitch range: 433 - 447Hz
Input: Input Jack / Condesner Microphone
The Ashton MT300 metronome tuner is designed for use with guitars, basses, violins and ukueles.
Tunning mode: MIC / Input Jack
Tunning range: A0 (27.5Hz) - C8 (4186Hz)
A4: 430 Hz - 450 Hz
Guitar / Bass Mode
Tempo: 30 - 2..
An ultra-lightweight, thin rack-mount tuner with the highest visibility of any“3D” tuning meter
Since producing the world's first rackmounted tuner, the DT-1pro which appeared in 1987, Korg has continued to produce classic models that define the era, including the DTR-1/..