The T3 Innovation AC120 Arc Chaser is 
a serious piece of technology. This unit is equipped with Spread Spectrum Time Domain Reflectometry (SSTDR) which gives the AC120 an accuracy within 1% to a fault. The T3 AC120 Arc Chaser monitors intermittent opens, shorts and faults and can work on both energized and unenergized cables. Keeping up with the rest of the T3 line of products, the display is crystal clear with beautiful color graphics. The unit can show results as either text or in a graphical format and can be saved for later use to transfer to a PC to print the results. A really nice feature is the self-calibration which eliminates the need to send in for a metrology calibration. All in all, the new T3 AC120 Arc Chaser TDR Cable Fault Locator is a real step up in innovation that keeps this tool relevant for a long time.
Cheers and Happy Testing,
-Sam