| 摘要 |
<p>The invention relates to a durometer allowing to carry out hardness tests with statical loading and also with dynamic loading. According to the invention, the durometer comprises the following components: an electric coil () with a mobile core (), a dynamometric cell (), two capacitor armatures () belonging to a resonant oscillating circuit, a guiding rod (), some guides (), a penetrator holder (), a penetrator (), which may act statically or dynamically upon a material () to be tested, a compression spring () and a differential inductive sensor consisting of two coils () and a mobile core (), and an electronic and electric part consisting of an electronic unit (), a bank of capacitors () and three automatic cut-outs ().</p> |
