Rectifiers & Electronics supplies Million Mega Ohm Meters. Rectifiers & Electronics is an ISO 9001:2000 certified manufacturer of AC/DC High Voltage and High current Testing Equipment and Electrical Machines. The Million Mega Ohm Meters measure insulation resistance of insulating materials, Electrical & Electronic Components, Panels, Cables, chokes, Transformers, PCB`s, Plugs & Sockets and many similar products. These are also used to test cables and wires for high charging current of capacitive loads. These Ohm meters indicate the value of insulation after preset time.