PCB Test & Measurement Seite 126

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PCB PIEZOTRONICS INC 716 684 0001 Fax 716 685 3886 For Additional Specification Information Visit www pcb com 124 Calibration Services Back to Back Secondary Reference Accelerometer under test is mounted to a reference standard sensor atop a shaker Laser Interferometer Measurement Primary calibration of vibration transducers by laser interferomentry are made with a precision level that is directly traceable to the wavelength of the laser light Gravimetric Method low frequency Mass and gravity references Low distortion long stroke air bearing shaker 0 5 Hz to 10 Hz frequency range Uncertainty of 2 5 Low frequency Accelerometer Calibrator With a 6 inch 152 mm stroke this long stroke shaker provides enough displacement for low frequency calibrations to 0 5 Hz Shock and Vibration Sensor Calibration Services Back to Back Secondary Reference Quartz reference comparative accelerometer Electrodynamic and air bearing shakers NIST and PTB traceability for multiple frequency data points A2LA accredited to ISO 17025 5 Hz to 15 kHz frequency range Uncertainties 1 at 100 Hz 2 5 to 10 kHz 7 to 15 kHz Customized software for quick transfer function determination over a sensor s usable frequency range Primary Reference High degree of accuracy Laser interferometer measurement A2LA accredited to ISO 17025 5 Hz to 15 kHz frequency range Uncertainties 0 2 at 100 Hz 1 5 to 15 kHz 8 T Mcatalog 2011 Seite 109 124 SYN G500 21 04 11 18 01 Seite 130