defectoscope

plural defectoscopes

1. Any of various devices for testing materials for defects or irregularities that are not visible to the naked eye.

   We employed a UDL-02M laser-ultrasonic defectoscope operating in a pulse-echo mode.

   2016, Anton S. Bychkov, Elena B. Cherepetskaya, Adam Konvalinka, Alexander A. Karabutov, Alexander Kravcov, V.A. Makarov, Elena A. Mironova, Nikolay A. Morozov, “Study of the Internal Structure of Isotropic Pyrolytic Graphite by Broadband Ultrasonic Spectroscopy”, in Alexander Kravcov, Elena B. Cherepetskaya, Vaclav Pospichal, editor, Durability of Critical Infrastructure, Monitoring and Testing, page 3

   2 more examples

   The gamma defectoscope must have a sign indicating the type and intesnsity of the gamma source, and there must be a lock and key so that the source can be locked up, the aim being that the radioisotope should not be handled by irresponsible persons;

   1962, P. Bojovic, “The Application of Radioisotopes in Industry”, in Ivan Draganić, editor, Radiochemical Procedures: Work with Radioactive Isotopes, page 409

   Traffic safety is very important, so ropes are routinely controlled by a suitable type of defectoscope.

   2018, Jaromír Pištora, Michal Lesňák, Jan Valíček, Marta Harničárová, Vladimír Vrabko, “Magnetic Field Distribution Around Magnetized Steel Ropes and Its Modulation by Rope Defects”, in Andreas Öchsner, Holm Altenbach, editor, Engineering Design Applications, page 212