Electromagnetic field meters are devices used to measure the strength and frequency of electromagnetic fields (EMF) in the environment. These fields are produced by various sources, including power lines, cell phones, and wireless networks. EMF meters can help identify areas with high electromagnetic exposure, which some people may want to monitor for health or safety reasons. These meters typically display readings in units such as microteslas (µT) or milligauss (mG). Users can find different types of EMF meters, ranging from simple handheld models to more advanced devices that provide detailed analysis. Understanding these measurements can help individuals make informed decisions about their exposure to electromagnetic radiation.