LOW IMPACT ENERGY MODEL
STANDARDS: ASTM D5873 | ISRM
This impact hammer is used for rock classification
test. The core rock specimen normally
NX 54.7 mm diameter is held on a special
cradle (accessory) in horizontal position, and
the hammer tests the same in all its length,
to obtain an average of the readings.
Impact energy: 0.74 Nm
Measuring range: 10…60 N/mm2
Weight: 2 kg
ACCESSORIES
A121 ROCK CRADLE STANDARD: ASTM D5873
To locate EX to NX core rock specimens during the classification
tests by the Rock Hammer mod. C381. Weight: 20 kg
C390 CALIBRATION ANVIL
STANDARDS: EN 12504-2 | ASTM D5873, C805
Used for periodical obligatory verification of the test hammers,
as specified by EN Standards.
Technical data: see Section “C” Concrete p. 368
Dimensions: Ø 150×230 mm. Weight: 16 kg
