PCE-VC21 is a portable shaker vibration calibrator used to calibrate vibration sensors, meters, analyzers and testers. Suitable for calibrating equipment weighing up to 600 g (1.32 lb), this rechargeable-battery-powered vibration calibrator generates mechanical vibrations with adjustable quartz-stabilized vibration frequencies between 15.92 and 1280 Hz and adjustable vibration amplitudes between 1 m/s² and 20 m/s².

- Load-independent vibration magnitude
- 7 adjustable vibration frequencies
- 5 adjustable vibration amplitudes