Frequency range 10 Hz – 1 kHz, sensitivity relative meet ISO 2954. Professional vibration meter supply with vibration sensor and magnetic base, full set. Velocity measuring range: 200 mm/s. Acceleration measuring range: 200 m/s2. Displacement measuring range: 2 mm (p-p) RMS and Peak measurement. Wide frequency range. Data hold button to freeze the desired reading. Memory function to record maximum and minimum reading with recall. Separate vibration probe, easy operation. RS 232 computer interface. Super large LCD display. Micro computer circuit, high performance. Auto shut off saves battery life. Built-in low battery indicator. Heavy duty and compact housing case. Complete set with the hard carrying case.