Rock Classification Hammer L Type (Schmidt Hammer)

Product Code

Standards

ASTM D 5873; ISRM Suggested Method

UTR-0562 Rock Classification Hammer together with UTR-0565 NW Rock Cradle is an easy-to-use apparatus for measuring the rebound index on rock cores and samples. The level of impact energy is 0.74 Nm. Sample is positioned horizontally and the rebound index is calculated by the average value determined after several measurements which are performed perpendicularly to the longitudinal axis of the sample. Rock Classification Hammer is supplied complete with carrying case.

UTR-0565 Rock Cradle apparatus consists of a universal V shaped sample holder unit suitable for all standard rock core specimen sizes from EX to NX (21.46 mm to 54.74 mm dia.) and a V shaped guide attached to the core holder to keep the rebound hammer perpendicular to the surface of the test specimen.

The impact area of UTC-3040E Calibration Anvil used for the calibration of rock test hammers. is hardened min. 52HRC.