The use of ultrasound as a predictive tool has been with us for over 35 years. Yet, despite its vintage, the use – and, indeed the understanding – of this technology is still not widespread. This article explains how, just by changing from an airborne sensor to a contact probe, we can use ultrasonic inspection in a myriad of mechanical applications.

Thomas J Murphy, C. Eng.

Uptime Magazine

October 1, 2009