Chaometer

The Chaometer is an object that appears in Sonic Underground. It is a device used to seek out Chaos Emeralds.

Description
The Chaometer is yellow device with two probes to detect energy and a gauge to indicate the strength of radiation. It has a red nozzle to adjust the device with. It can be used to located Chaos Emeralds or their energy, including the residue of Chaos energy where Chaos Emerald once was.

Trivia

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