TECNA models TSW1500 (66 mF), TSW2000 (88 mF), and TSW2900 (132 mF) stud welders FOR SALE at Weld Systems Integrators. Capacitor banks can charge in a few seconds with a reduced current input. The extremely short discharge, 2-3 ms, enables studs, unthreatened pins, and other metal fittings up to 0.39 in. (10 mm) to be welded on thin plates. Without any modification of the painted, zinc, or plastic-coated surface on the opposite side.

Models TSW1500, TSW2000, and TSW2900 feature digital controls with up to 4 programs, allowing 4 guns to be equipped and adjusted for 4 different measures. When switched on, the control unit tests the generator efficiency, measures the capacitors capacity and charges them as for the latest weld. An error list is displayed in order to inform of faulty operations or failures.