Kinemetrics announces its latest line of earthquake sensors -- EpiSensor force balance accelerometers. Model FBA ES-T is a triaxial surface package useful for many types of earthquake recording applications. The unit consists of three EpiSensor force balance accelerometer modules mounted orthogonally in one small convenient package. With full-scale recording ranges of ± 0.25 to ± 4g (user selectable) the EpiSensor provides on-scale recording of earthquake motions even at near-fault locations and in a wide variety of structure types. The significantly improved bandwidth of DC to 200 Hz allows engineers and scientists to study motions at higher frequencies while maintaining the very important DC response that allows simple field calibration and reduces post-processing confusion.Output circuitry is also significantly enhanced. Four types of outputs can be field-selected by the user: ± 2.5V single-ended output for use with traditional Kinemetrics earthquake recording instruments; ± 10V single-ended or ± 20V differential output for use with Kinemetrics Makalu 24-bit digital recorder and other 24-bit digital recorders currently on the market.EpiSensor force balance accelerometers are also available in uniaxial (the FBA ES-U) and borehole (the FBA ES-SB shallow and FBA ES-DH deep) packages.

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