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.