Rad Elec Inc. develops, manufactures, and markets the only commercially available system that utilizes the Electret Ion Chamber (EIC) technology and is sold under the brand name E-PERM.Rad Elec Inc. offers devices that measure Radon, and Radon Decay Products and devices that measure a number of different types of ionizing radiation – alpha, beta, gamma, and neutrons, all utilizing the same core instrumentation and technology.