Langry
Langry RH450-A Concrete Test Hammer
4.5 joule impact energy, developed for the high strength concrete a standard 2.207 joule hammer cannot read.
Model RH450-A
Langry RH450-A Concrete Test Hammer
High strength concrete is now routine on high rise work, and a standard rebound hammer runs out of scale on it. The RH450-A raises the impact energy to 4.5 joules to bring C50 to C100 grades back into range, with a high toughness alloy spring and a CNC machined movement behind it.
- Pointer length
- 20.0 plus or minus 0.2 mm
- Friction of pointer
- 0.65 plus or minus 0.15 N
- Standard impact energy
- 4.500 J
- Calibration value on anvil
- 88 plus or minus 2
- Elastic tension spring stiffness
- 900 plus or minus 40 N/m
- Spherical radius of bouncing rod
- 35 plus or minus 1.0 mm
Currently in stock
Read before you buy
Buyer guides and price checks
- Rebound HammersRebound Hammer Test: Price, Procedure and Which Schmidt Hammer to Buy in PakistanWhat a rebound hammer test measures and where it fails, the ASTM C805 procedure in short, analogue versus digital Langry models with 2026 Pakistan prices, and calibration on the anvil.Read the guide
- Rebar ScannersRebar Scanner and Cover Meter Price in PakistanRebar scanner and cover meter prices in Pakistan for 2026, Langry RS150, RS250 and RS350 against the Profometer class, how they work, and the cover checks to run.Read the guide
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