The ED-510XL is a hand-held unit which will locate surface
ED-510XL Mercury Flaw Detector
The ED-510XL is a hand-held unit which will locate surface and near-surface
flaws in nonmagnetic materials as well as surface defects in magnetic materials
The ED-510XL will also sort materials according to such properties as hardness,
alloy type, carbon content, heat treat condition, tensile strength and grain
structure.