Lutron VB-8220 Vibration Meter

VIBRATION METER, Acc., Velocity, Disp.
Model : VB-8220
* Separate professional vibration sensor.
* Acceleration : 200 m/s².
* Velocity : 200 mm/s.
* Displacement ( p-p ) : 2 mm.
* RMS, Peak value.
* RS-232/USB computer interface.
* Hard carrying case is included.
* DC 9V battery ( 006P ).