Features :Super large LCD display Metric & Imperial display unit.Pen type digital vibration meter. vibration sensor is built in, all in one. Easy read out. Built-in low battery indicator. Compact size, light weight. Soft carrying case is the optional accessory. Measurement - Velocity, Acceleration, RMS value. Applications for industrial vibration monitoring: All industrial machinery vibrates. The level of vibration a useful guide to machine condition. Poor balance, misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that themaintenance is needed.