introscope

noun

1. An optical device similar to an endoscope, used in various industrial settings such as checking jet engines for cracks, observing nuclear reactors for cracks, or measuring the fat layer on a meat carcass.

   “The useful life of the introscope could be limited by several factors: acquired radioactivity, failure of the lamp, and loss of transparency in the lenses caused by their darkening under gamma-radiation .”

   “The photograph shows the examination of the internal surface of a tube with a moving mirror, two-power magnification introscope.”

   “The picture shows the introscope mounted on a valve over one of the charging holes of the fast reactor.”

   “The results show that, of the conductivity probe and the introscope, the latter instrument indicated a higher level of accuracy;”

   “These measurement were examined for their ability to predict the corresponding carcass introscope measurements.”