将激振器改制为压电加速度计校准器

The piezoelectricl accelerometer calibration remanufacturing with type PR9270 vibration exciter

阐述了激振器的工作原理和特点 ,说明如何将其改制成校准压电加速度计的小型振动台。利用这种振动台能够可靠地校准压电加速度计 ,其准确度优于4 %。

The operation principle and characteristics of type PR9270 vibration exciter are described ,It explains how to remanufacture the type PR9270 vibrator exciter to piezoelectrical accelerometer calibrator.Using the little vibration shaker,the user can reliably calibrate the piezoelectrical accelerometers andits accuracy can be better than 4%.