Super High Resolution Ultrasonic Measurement System - http://www.hedc.co.jp/
5-micro-meter resolution measurement by non contact system in the air; RS-232 interface; Thickness, Deviation, Distance, Level of any kind of material. |
Ultrasonics - http://www.xdcr.com/ut.html
Dedicated to the art and science of ultrasonic nondestructive testing and allied fields. |
Vibrationdata.com Tutorials - http://www.vibrationdata.com/tutorials.htm
The tutorials and course materials require a username and password which can be obtained with an annual subscription fee. |