ETP Probe for CMI500 CMI700 Cooper Thickness Guage

ETP Probe (CMI500 and CMI700 series) Eddy probe(Widely called ETP Probe) is used for PCB through-hole Cu thickness measurement , it's used on the Hitachi cooper thickness tester CMI500 and CMI700 series.   Technology data for ETP Probe: Accuracy: ±0.01mil(0.25um)<1mil(25um) Resolution: 0.01mils(0.25um) Eddy Current： comply with ASTM E37696 standard regulation Testing thickness range: 0.08-4.0mils (2-102um) Min hole dia: 35mils(899um) Hole dia range: 0.899mm-3.0mm The Hitachi CMI500 ETP Probe and Oxford CMI700 ETP Probe are same one , it's 100% original PTH hole probe for Oxford and Hitachi guage.