LK310DC AC/DC magnetic yoke detector/ magnaflux yoke inspection 1.Inter polar distance: 0 ~ 206mm 2.Charging: 8-12 hours LK310DC AC/DC magnetic yoke detector/ magnaflux yoke inspection uses battery or ac220V directly supply power. Because of its small volume, light weight, especially suitable for magnetic powder flaw of high and narrow field.LK 310DC magnetic yoke detectors power supplied by the ...