... for statistics and printing by the optional cable. * Statistics is available.2.OPERATING PRINCIPLE Operating principleApplicationFor example(F Type) Magnetic ... )on magnetic substrate(steel,iron,alloy and magnetic stainless steel.(NF Type) Eddy current Can measure the thickness ... thickness gauge,roughness tester,hardness tester,vibration meter,gloss meter,PH/ORP controlller,fuel pressure meter etcANY ...