CGM-7 ACPD CRACK GROWTH MONITOR
MatelectThe CGM-7 is a modern microprocessor based instrument for measuring crack depth in metalsundergoing materials testing. Building on the success of the CGM-5R this unit improves upon theCGM-5R specification by offering two channel operation, higher frequency and current outputs, fullcomputer control and a variety of expansion options.It utilises the alternating current potential drop method (ACPD) which is an established techniq…