Humboldt Concrete Rebound Hammer

Humboldt Concrete Rebound Hammer

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Humboldt Concrete Rebound Hammer
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Humboldt Concrete Rebound Hammer

Supports the following standards: ASTM C805, ASTM D5873, BS 1881: Part 202, ISOIDIS8045, ENV 206, IGJ/T 23-2001

Humboldt's concrete rebound hammer provides a reliable, yet economical, alternative to the original schmidt hammer. It is designed for testing concrete 4" (100mm) or more in thickness with a maximum particle size less than or equal to 1.25" (32mm), providing a quick and simple test for obtaining an immediate indication of concrete strength in various parts of a structure. The Humboldt rebound hammer covers a compressive strength range of 1,450 to 9,000 psi (10 to 62 MPa). To operate, the rebound hammer is pressed against the concrete structure and the rebound values are displayed on a mechanical sliding scale. These values can then be correlated to compressive strength by using the conversion table chart affixed to the hammer. It includes a grinding stone, a cloth carrying case, instruction booklet and conversion charts.

For additional information about non-destructive concrete testing equipment, click here.


Part Number & Name
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Conversion Chart Label (psi) for Rebound Hammers
Concrete Rebound Hammer Calibration Anvil
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Replacement Parts

Replacement Part Diagram
Part Number & Name
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Compression Spring
Retaining Spring
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Manuals, Data Sheets & Safety Data Sheets

H-2987 ReboundHammer DS (Data Sheet PDF)

H-2987H man 1116 (Product Manual PDF)




ASTM D5873

BS 1881: Part 202


ENV 206

IGJ/T 23-2001

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