Schmidt hammer

A Schmidt hammer, also known as a Swiss hammer or a rebound hammer, is a device to measure the elastic properties or strength of concrete or rock, mainly surface hardness and penetration resistance.

It was invented by Ernst Schmidt, a Swiss engineer. The Schmidt hammer is distributed by Proceq and TQC worldwide.

单词	Rebound hammer
释义	Rebound hammer 英语百科 Schmidt hammer A Schmidt hammer, also known as a Swiss hammer or a rebound hammer, is a device to measure the elastic properties or strength of concrete or rock, mainly surface hardness and penetration resistance. It was invented by Ernst Schmidt, a Swiss engineer. The Schmidt hammer is distributed by Proceq and TQC worldwide.
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Rebound hammer

Schmidt hammer