Features: Vibration meter(also called vibration severity) uses Piezoelectric Acceleration Transducer transfer the vibration signal into electrical signal, analyze the input signals, and show the Acceleration, speed, shift of the vibration. It is widely used in the lines of Power, petrochemical, machinery manufacturing, metallurgy, vehicles, etc. Vibration Pickup Piezoelectric Ceramic Accelerometer is shear-type Simple to use, the structure is compact, portable Digital LCD display is intuitive and clear Spec: Acceleration: 0.1~199.9m/s² Velocity: 0.1~199.9m/s Displacement: 0.001~1.999mm Acceleration Frequency Range: 10HZ~1KHZ(LO) 1KHZ~15KHZ(HI) Velocity Frequency Range: 10HZ~1KHZ Displacement Frequency Range: 10HZ~1KHZ Accuracy: ±5%H±2digits Maximum Locking * Temperature Measurement * CF Selection * Power: 9V battery(not included) Size:170 * 66 * 33mm Weight: 785 g / 27.7 oz(approx.) Package list: 1 x Vibration meter (battery not included) 1 x instructions 3 x probe 1 x Split probe 1 x Plastic case