Model VC 20 & 21 -Vibration Calibrators

Quick and simple calibration and fault detection of  sensors and measuring chains for acceleration, velocity and displacement .  Load independent vibration magnitude. Vibration magnitude of 10 m/s² (VC20) or selectable in 5 steps from 1 to 20 m/s² (VC21). Quartz stabilized vibration frequency of 159.2 Hz (VC20) or selectable in 7 steps from 15.92 Hz to 1280 Hz (VC21). Suitable for the calibration of whole-body human vibration meters to ISO 8041 and building vibration meters to DIN 4150-3. Battery operated for mobile use. Traceable to PTB reference standard. Rugged design.