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Multi-Mode Eddy Current Tester
Multi-Mode Eddy Current Tester
Magnetic Analysis Corp (MAC) has introduced MultiMac?, a new Windows-based, multi-mode eddy current tester that operates with encircling/sector test coils (to detect short-surface defects) and/or rotary test probes (to identify long, seam-type surface defects). The new multi-mode capability incorporates all of the best features of MAC?s individual encircling coil and rotary probe instruments into one unit. The MultiMac includes up to eight test channels, and a wide selection of test parameters and special circuits to enhance signal-to-noise ratio. Building on the successful Echohunter? software graphics, the instrument?s Test Screen displays a single channel, and the Multi-Screen provides a simultaneous display of 1 to 8 channels. The Test Screen provides all the information needed to set up and operate MultiMac. Both screens display simultaneous polar and linear modes and all test parameters, including thresholds. Each channel on the MultiMac can be individually configured with different frequencies and different channel modes. For example, ?differential? mode is used to detect short weld-line defects, while ?absolute? mode is appropriate for long, continuous surface flaws and open welds. A choice of three thresholds per channel ? All Phase, Sector, or Chord ? can be mapped to any of eight outputs, independently configurable for time or distance delay and normal reject or latched mode. It can be used to test a wide variety of non-magnetic products, or inspect magnetic material by using direct current saturation systems. The company has field engineers and representatives located in India, and customers worldwide can be served.
