Materiaaltesten Fundering  Rock Classification Hammer

Rock Classification Hammer

Description

Used to measure the rebound index on rock cores and samples. The device is simple, easy to use, and is similar to the one used for testing concrete. The level of impact energy only is different: 0.735 Nm. Rock cores are positioned horizontally and the rebound index is obtained from the average of several measurements performed perpendicularly to the longitudinal axis, using the ASTM rock cradle 32-D0562/A (see accessories) as shown in the picture.
Supplied complete with case.

  • Weight approx.: 1.5 kg

Label/Normering

  ASTM D5873‰ISRM

Technische specificaties

Order nummers

32-D0561/C: Rock test classification hammer with low impact energy 0.735 Nm. Supplied with hard plastic carrying case. Conforming to astm D5873 and ISRM. 32-D0561/C1: Rock test classification hammer with low impact energy 0.735 Nm. Supplied complete with traceable calibration certificate and hard plastic carrying case. Conforming to astm D5873 and ISRM.

Accessoires & toebehoren

 

32-D0561/C2: Abrasion stone for testing hammer 32-D0562/A: ASTM universal rock cradle for testing rock cores conforming to ASTM 58-C0184: Calibration anvil for concrete test hammer type -N- and -NR-

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