... AC, DC, mixed-type 1. Intelligent magnetic flux leakage testing machine/ MFL2.IDEA-8MFL magnetic flux leakage detector3.AC, DC, ... DC, mixed-typeDetection speed :10-30M / minDetection Thickness (45 # steel) :10-30mm;Maximum lift-off height: 10mmGain: 0 ~ 99dB ... magnetic flux leakage detectorApplicable to steel parts, steel billet, round steel. bar, pipe, weld, cable and other testing, as well as nuclear ...