Langry
Langry RH20-A Mortar Rebound Hammer
A mortar hammer, not a concrete one. Two to fifteen megapascals, with a direct reading scale for masonry joints.

Model RH20-A
Langry RH20-A Mortar Rebound Hammer
Testing mortar with a concrete hammer tells you very little. The RH20-A works at 0.196 joules across a two to fifteen megapascal range, which is where brick and block masonry actually sits, and the pointer reads direct off a clear scale rather than through a conversion table.
- Pointer length
- 20.0 plus or minus 0.2 mm
- Measuring range
- 2 to 15 MPa
- Friction of pointer
- 0.5 plus or minus 0.1 N
- Standard impact energy
- 0.196 J
- Calibration value on anvil
- 74 plus or minus 2
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