Table 1.

Specifications of data acquisition devices.

Device	Specifications
Accelerometer (622b01)	Frequency	0.40–10 kHz
	Sensitivity	100 mV/g (10.2 mV/(m/s2)) ± 5%
DAQ (NI9234)	Frequency	0–13.1 MHz
	Generator	4 analog input channels and 24 bits ADC resolution