Special Features:

Second frequency range 200 hz to 3mhz; weight 3 to 6 lbs. Depending on battery config; staveley conductivity probe; digital conductivity display from 0.9 percent to 110 percent; type 3, navy use only; frequency rating 60.0 khz min, 480 khz max; depth 3.600 inches, height 5.500 inches, length 9.500 inches

Properties:

A non-destructive electromagnetic device which introduces eddy current in a part(s) to be inspected. Changes in the current flow caused by surface variations in the part are reflected into a nearby coil(s) where they are detected and measured by suitable instrumentation which is provided. See also fluorescent penetrant inspection unit; magnetic inspection unit (as modified); transducer, ultrasonic test; x-ray apparatus, radiographic, industrial.