The ED-1100 is a microprocessor-based impedance plane eddy current instrument which offers highsensitivity, versatility and simplicity of operation. The instrument will locate surface and near-surfacedefects and conductivity changes in magnetic and non-magnetic materials. The ED-1100 usesabsolute, differential and reflection probes to detect flaws or determine properties such asconductivity, hardness, alloy type and heat treat condition. The three modes of operation include:flying dot mode for flaw detection, flying dot with storage mode for comparison purposes, and timebase mode for bolt hole scanning. This eddy current instrument is used for a variety of applicationsincluding detecting flaws in aircraft wheels, struts, propellers, hubs and engine components, and, onautomotive brakes, spindles, internal engine components, steering and chassis assemblies and. TheED-1100 is used in research, maintenance and quality control to verify test results and checkmaterials for fatigue.