Model : 438-749 Computer controlled 1000 watt welder. # Narrow 3 1/8" (79mm) profile for close centre-to-centre distances in multi-head and automation installations # Dual pressure increases clamp force to improve melt during the weld cycle, or to provide tighter assembly during the hold cycle # Electronic pressure control # Force transducer (load cell) # 4" (102mm) stroke with mechanical bottom stop adjustable in .001" (.025mm) increments # Hydraulic slow speed available for precise, repeatable control of horn travel during the weld cycle # Easy to use front panel position indicators with universal icons instantly show setting of position and bottom stop and optional slow speed, pre-trigger and end-of-weld switches # Status indicators in base for Power, In Cycle and Abort clearly communicate system conditions