Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
Spec：The F probes measure the thickness of non-magnetic materials on magnetic materials. The N probes measure the thickness of non-conductive coatings on non-magnetic metals.
