Johnson Matthey Public Limited Company

Dave Doyle Ferguson, Jnr

Emanuele Ronchi

Carl Robert Tipton

An apparatus () for determining thickness of refractory material () lining a metal vessel () is disclosed. The apparatus includes a radiation source () for emitting radiation through a metal wall of the vessel and into the refractory material, wherein some of the radiation is scattered by the refractory material, and a radiation detector () for detecting radiation scattered by the refractory material through the wall of the vessel. A converter provides an output signal dependent on the quantity of radiation scattered by the refractory material through the wall of the vessel and detected by the radiation detector.

Growing community of inventors

Cleveland, United Kingdom

Dave Doyle Ferguson, Jnr