An upgraded version of the P.K.E. meter , is a prop. used in the movie ghostbusters 2 .
The Giga-meter varies in the fact that it calculates Gigaelectron Volts instead of Parakinetic Energy .
The prop. itself can be seen ( modified ) in one of the star trek movie and also in the They live movie .
the Giga-meter is a complement used in conjuction with the P.K.E. meter .