Metro Electronics manufactures Copper Wound and Multi Shielded Isolation Transformer. Metro Electronics manufactures servos, industrial transformers and laboratory test equipments. Copper Wound and Multi Shielded Isolation Transformer is highly efficient, computer grade and low impedance transformer. Copper Wound and Multi Shielded Isolation Transformer offers voltage transformation as well as harmonic handling and attenuation. These transformers are installed to isolate protect sensitive, expensive equipment from noisy electrical system grounds, ground loops, power line spikes and other power line disruptions. It is available in complete, stand-alone units with integral filtering, protective circuits, line cord and sockets, all housed in sturdy, office decor metal case. It is available in the model of oil and air cooled.