How well do you know the equipment you use for paranormal investigations? Here is a closer look at some of the more popular EMF meters and related devices being used in the field, as well as a demonstration of some things that can give you false readings. Thanks to Randy Carver of Carver Paranormal for the inspiration for this video. *Correction* The Radio Frequency Range of the TriField Meter is 50 MHz (not 50Hz) to 3 GHz.*