Handheld Meter Measures Magnetic Fields
Created to measure the electromagnetic fields of extremely low frequency (30 to 300Hz) devices such as electric transmission equipment, microwave ovens, air conditioners, computer monitors, and video/audio devices, the HHG191 Gauss meter from Omega Engineering represents allows measurements up to 2,000 mG to 200 micro-tesla with a basic accuracy of 2.5% + 6-digit. Features include an overload display, low battery indicator, and Micro-Tesla and Milli-Gauss display options. From $149.
203-359-1660, www.omega.com