Determination of Young’s Modulus by Specific Vibration of Basalt and Diabase

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left" colspan="2">Pickup technical specifications</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Transducer element</td><td class="align_center">Dedicated electret</td></tr><tr><td class="align_left">Frequency range</td><td class="align_center">From 20 Hz to 96 kHz</td></tr><tr><td class="align_left">Sensitivity</td><td class="align_center">−36 ± 4 dB (0 dB = 1 V/Pa)</td></tr><tr><td class="align_left">Directivity</td><td class="align_center">Unidirectional (−12 dB in 180° <i>e</i> 1 kHz)</td></tr><tr><td class="align_left">Signal to noise ratio (S/N)</td><td class="align_center">60 dBA</td></tr><tr><td class="align_left">Supply voltage</td><td class="align_center">From 1.5 to 10.0 VDC</td></tr><tr><td class="align_left">Impedance</td><td class="align_center">680 W</td></tr><tr><td class="align_left">Max. Dimensions Ø <i>x</i> A (without base)</td><td class="align_center">20 × 138 mm</td></tr><tr><td class="align_left">Max. Dimensions Ø <i>x</i> A (with base)</td><td class="align_center">63 × 150 mm</td></tr><tr><td class="align_left">Weight</td><td class="align_center">110 g</td></tr><tr><td class="align_left">Connection</td><td class="align_center">P3/3.5 mm reinforced connector</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Technical characteristics of the acoustic microphone used.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Determination of Young’s Modulus by Specific Vibration of Basalt and Diabase 