Kryptonite detector

A Kryptonite detector is a device invented by the Raven that is designed to detect and locate Kryptonite.

The Raven used this device to locate Paw Martingale's sky stone, but he was unable to steal the stone because his spacecraft's gravity manipulating technology had no effect on Kryptonian mushrooms, which were all over Martingale's farmland.

Appearance
Super Friends (TV Series)
 * Season 1: The Menace of the White Dwarf