The scan grid was a piece of mining equipment that analyzed metals by emitting electrical charges to gather data. In Cloud City, Darth Vader used a scan grid's electrical charges to "analyze" and "gather data" of a different nature by torturing Han Solo. It was also used on Kalist VI by Lieutenant Zuud to torture Jorin Sol.
- A Guide to the Star Wars Universe
- Star Wars: Behind the Magic
- The Official Star Wars Fact File34
- The New Essential Guide to Weapons and Technology
- The Complete Star Wars Encyclopedia
- Star Wars: The Ultimate Action Figure Collection