PCB Test & Measurement Seite 26

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PCB PIEZOTRONICS INC 716 684 0001 Fax 716 685 3886 For Additional Specification Information Visit www pcb com 24 High Sensitivity ICP Accelerometers High sensitivity ICP accelerometers are specifically designed to enable the detection of ultra low level low frequency vibrations associated with very large structures foundations and earth tremors These sensors typically possess exceptional measurement resolution as the result of a comparatively larger size which furnishes a stronger output signal and a lower noise floor Both ceramic and quartz sensing elements are utilized in seismic accelerometer designs Model 393C with a quartz sensing element offers the best low frequency response in this series Ceramic element styles with built in low noise signal conditioning circuitry offer the greatest measurement resolution The model 393B31 leads the way providing 1 µg rms broadband resolution All units are hermetically sealed in either a titanium or stainless steel housing Models that include a 2 pin military style connector provide the added benefit of being electrically case isolated for superior RF and EMI protection Applications Building Vibration Monitoring Earthquake Detection Structural Testing of Bridges Floor Vibration Monitoring Geological Formation Studies Foundation Vibration Monitoring 2 T Mcatalog 2011 Seite 17 32 A4 F G500 21 04 11 09 06 Seite 24