LUTRON VB-8210 is a professional vibration meter with a vibration sensor and magnetic base. * Frequency range 10 Hz - 1 kHz, sensitivity relative meet ISO 2954 * Velocity measuring range 200 mm/s, 7.87 inch/sec. * Acceleration measuring range 200 m/s2 , 656 ft/s2 * RMS and Peak measurement * Metric and Imperial display unit * Super large LCD display * Data hold to freeze the reading * Memory function to record maximum and minimum reading with recall * High-performance microcomputer circuit * Low-battery indicator * Auto power-off (to save battery) * Separable vibration probe, easy operating * RS 232 computer interface