Chaometer

A chaometer is a device used by Knuckles to seek Chaos Emeralds.

Description
A yellow device with two probes to detect energy and a gauge to indicate the strength of the radiation. It has a red nozzle to adjust the device with. It can be used to located Chaos Emeralds or it's energy with, even residue of the energy where chaos energy once was.

Trivia

 * It works similar to a geiger counter, only instead of actual radiation, it detects Chaos energy.