| Magnetic Analysis Corporation, USA, has introduced its latest design Minimac� MAC 40 eddy-current tester, designed for simple and economical production line testing of tubing, bar, wire and parts. The Minimac Mac 40 system can detect laps, seams, slivers, cracks, and weld line faults in magnetic and non-magnetic grades of material at speeds up to 4,000ft/min. The system is also designed for locating welds and for continuous checking of single and multi-conductor insulated wires and cables. The Windows�-based, single-channel eddy-current tester�s standard frequency ranges from 2.5Hz to 200kHz. Optional extended range software can increase this to 2MHz. Sensitivity, phase, and filter are easily set while viewing a full colour polar and linear display of real-time test wave form signals on the optional monitor.
The Minimac MAC 40 tester can save, annotate, transfer, or print test data on site or at remote locations using the keyboard or optional keypad and standard computer interface procedures. An infinite number of set-ups can be stored on the hard disk and recalled with the touch of a button. Test reports can be created and edited for batch or set-up information by the user in easy-to-use Excel� spreadsheet format. With the addition of PC Anywhere� software, one or more of the testers can be completely controlled and operated from any computer on the company�s network. The tester�s high-frequency option includes an additional all-phase threshold, bridge drive, band pass filter, and a �system-not-ready� control of the common relay output. In addition, a sync input synchronises the linear display to a rotary probe test mechanism, such as the company�s Rotomac� rotary eddy-current tester.
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