Explore EMF meters used in paranormal investigations to monitor changes in electromagnetic fields and establish baseline readings. Compare beginner-friendly detectors and advanced models by sensitivity, display, alarms, battery life, and ease of use before choosing gear for your next investigation.New to using a meter? Beyond the Beep: our EMF meter guide covers equipment choices, room surveys and careful comparisons. The $5 PDF includes 18 pages and three printable investigation worksheets.