... A mobile magnetized coil,inner diameter 400mm.8,The human-machine interface control system 11,Automatic demagnetization systemAttenuation type automatic ... and longitudinal can switch6,Sensitivity6.1,Sensitivity:Clear indications on test piece Model A #2.6.2,Dc sensitivity JB/ ... T6066 according to regulations,adopts B shape standard test blocks,set 3400 A dc current,Try piece of ...