Branson 941 AES welder - tested in good condition Weld force 10-270 LBS System Features and Specifications: # Linear Optical Encoder -- for precise weld position measurement # Pressure Transducer -- allows accurate and repeatable setting of weld pressure # Force Transducer -- provides accurate Dynamic Trigger force (10-270lbs) # Stroke Indicator -- allows quick identification of operating stroke length # Manual override of solenoid valve # Calibrated flow control valve for downspeed # Pneumatic Requirement: 100 psig clean, dry air # Stroke length: 4" # Throat 3.75" mounting surface to centerline of horn # Horn not included. Power Supply Included YES Power Supply Model Branson 947MA Other Information