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Seismometer

seismometer

SP series

Vnation JSC

seismometer
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The seismometer mass is a permanent magnet suspended on ligament springs, which achieves frictionless axial movement. The output is derived from two coils fixed to the frame of the seismometer, one at each end of the mass. Auxiliary coils are provided for feedback and calibration. The natural period of oscillation of the mass is adjustable so that the seismometer can be optimally matched to the required operational requirements. The Willmore MkIII short period seismometer is a velocity sensing device suitable for field, vault or observatory use. Over the past 20 years this seismometer has formed the backbone of many seismic monitoring systems, providing valuable earth movement information for mining industries and seismologists.

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