If needed, the IRHD M or IRHD N indenter can be exchanged by customer easily. The contact pressure and measuring time of IRHD Compact III are designed according to standards.
 -Minimum material thickness　IRHD-M : 0.6 – 5.0 mm
 -Minimum material thickness　IRHD-N : 6.0 – 10.0 mm