Device
Magnetic fault sensor
Legends
Legends. This article is part of Legends: the expanded-universe stories that Lucasfilm set apart from canon in 2014.
Magnetic fault sensors were a type of sensor. They could be used to detect flaws and weaknesses in an atmosphere containment field. The Galactic Empire used R4 astromech droids rigged with magnetic fault sensors to find any such weakness in the Death Star's atmosphere containment fields.
Text and facts from the “Magnetic fault sensor” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.