HDW’s new M series thumpers,  the SG15 or SG25 are self contained, full-featured fault locating systems. Features include our ARM® filter and the T 3050, our newest 10.5" screen Color Automatic Radar.  Also featured is a Switchable Capacitor, this allows full energy output, 1150 Joules, at both 50% and 100% of the rated output voltage!

Click here for detailed Product Spec Sheet (PDF Format).