The use method of the sticker for measuring vibration frequency is as follows:

1. Place the vibrometer near the vibration source and attach the sensor to the measured object.

2. Turn on the vibrometer, feel the vibration on the measured object by hand, and pay attention to the vibration frequency of the measured object.

3. Adjust the frequency of the vibrometer properly to measure the real frequency of the vibration of the measured object.