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Ultra Low Noise Sensors Target Seismic Studies

The company has announced a new series of ultra low noise seismic event sensors. The Models SA107LN and SA107LNC are single-axis sensors designed for use in seismic and low-level frequency motion studies. Ranges available are ±0.1g to ±2g. The Models SA207LN and SA307LN are dual and tri-axial versions. Like the basic sensor they are self-contained and provide high-level, low-impedance output. Aside from the traditional dc-coupled zero output, the SA207LN and SA307LN provide ac-coupled output, which eliminates tilt induce or offset errors, facilitating high amplification of the basic output. No signal conditioning is required in most applications. COLUMBIA RESEARCH LABORATORIES INC., Woodlyn, PA. (800) 813-8471.


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