... , the efficiency of the x-ray tube used in the machine is heightened.4.This machine has a KV, mA, and S capacity ... , Output Switch, High Voltage Selection Knob, Maximum Ratings Table, Ammeter, Time Selection Knob, Output Indicator.Main purpose and features1. Fullwave rectification ... resistance: ≤1ΩRating:5k VA Current:Maximum15A for radiography 2.Time:0.08 to 6.32 steps electronic 3.Maximum height ...