From Georgia Ghost Hunters Case Reports
The K2 EMF meter is used by Ghost Hunters to find indications of paranormal activity by looking for sudden erratic readings (spikes) of the lights on the K2 meter . A man made Electromagnetic Field (EMF) creates a steady reading while the spirit worlds energy is believed to be what creates the impulse readings on the K2 EMF meter. Researchers using the K-II EMF meter have been able to do what seems to be actual communication sessions with what is believed to be ghosts. The ghost is simply instructed to light up the lights on the meter in response to specific questions. For example, the ghost can be asked to respond with spiking up the lights of the K2 meter once for a No answer to a question and to light up the lights of the K2 EMF meter twice for a Yes answer to a question.
The fact that the K2 EMF meter uses lights to notify you of various levels of EMF strength makes the meter perfect for use in dark or low light environments. Since the lights will only go off when you have a significant increase in the EMF field you will not be distracted by smaller normal variations in the EMF field. Since the lights on the K2 EMF meter will light up "like a Christmas tree" when you get a sudden spike it is easy to notice suspected paranormal activity.
The K-II EMF meter measures EMF strengths in the scale of milliGauss
1st Light (GREEN) indicates a Normal background EMF field which we always have around us between 0 to 1.5 mG
2nd Light (GREEN) indicates a Low Level EMF 1.5 to 2.5 mG
3rd Light (YELLOW) indicates a Mid Level EMF in the range between 2.5 to 10 mG
4th Light (ORANGE) indicates a High Level EMF field in the range between 10 to 20 mG
5th Light (RED) indicates an Extremely High EMF of 20+ mG
Information from KII EMF Meter Please visit their website to purchase one of your own.