VIBRATION METER Acc., Vel., Displacement, data logger Model : VB-8203 * Acceleration : 200 m/s2. Velocity : 200 mm/s. Displacement ( p-p ) : 2 mm. * Max hold, peak value, data hold. * Memory ( Max., Min. ). * LCD display with bar graph. * RS232 interface, data logger. * Hard carrying case is included. * Size : 200 x 68 x 30 mm, Power : 9V battery.