Applications: Used for measuring periodic motion, to check the imbalance and deflecting of moving machinery. Specifically designed for present measuring various mechanical vibration. So as to provide the data for the quality control, run time and equipment upkeep. Specification: Sensor:Piezoelectric Accelerometer Measuring Range Acceleration:0.1~200 m/s² Equivalent Peak Velocity:0.01~200 mm/s True RMS Displacement:0.001~2.0 mm Equivalent Peak-peak Frequency Range Acceleration:10 Hz ~ 1k Hz 10 Hz ~ 10k Hz Velocity:10 Hz ~ 1k Hz Displacement:10 Hz ~ 1k Hz Accuracy:<5 % Analogue Output:AC Output 0~2.0 V Peak Full Scale (Load Resistance:Above 10k) Max. Value Hold Power Off:Manual Power Off or Auto Power Off Battery Indicator:Low Battery Indicator Operating Conditions Temperature:0~50 °C Humidity:<90 %RH Power Supply:4 x 1.5V AA size (UM-3) Battery(Not Including Batteries) Dimensions:160 x 68 x 32 mm Weight:181g