Features · Tight specification, low-distortion geophone · Extended spurious over 240 Hz, allowing full bandwidth at 2-ms sampling · Backwards compatible with SM-4, SM-4 SuperphoneTM range, and SM-24ST · Horizontal element available for shear-wave and 3-C recording. · 3-year non-prorated warranty · Lowest lifecycle cost of ownership in the industry · Installed base of over 8 million worldwide (est.) The
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