Patty uses a Mel meter to take a baseline reading on an old telephone

One of the pieces of equipment paranormal investigators commonly use is an EMF detector. Contrary to popular belief, EMF meters do not detect ghosts - not even the units that are called "ghost meters."


A K2 EMF detector that uses lights to show changes in EMF fields.
 
What Do They Measure?

Electromagnetism is one of the universe's four basic forces. EMF detectors measure changes in electric and/or magnetic fields.  Depending on...
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