Lutron PVB-820 Pen Vibration Meter

PEN VIBRATION METER
Model : PVB-820
* Functions : Acceleration, Velocity.
* Acceleration : 200 m/s², 20.00 G.
* Velocity : 200 mm/s, 20.00 cm/s.
* Frequency : 10 Hz to 1 KHz.
* Data hold.
* Meet ISO2954.
* DC 1.5 V battery ( UM-4/AAA ) x 4 PCs.
* Pen type easy carryout.