Automated accelerometer calibration system takes multiple-DUT

September 27, 2019 //By Julien Happich
The Win475 MULTI-DUT CRASH-CAL (MDCC) automated accelerometer calibration system from MB Dynamics increases metrology center throughput and productivity by enabling the simultaneous automated calibrations of up to eight single axis piezoresistive accelerometers (DUT’s) of the same model and type, over a frequency range of 10 to 4000 Hz.

Complying with SAEJ211, SAE2570, and other global automotive industry test standards, the system supports the automated single calibrations of non-piezoresistive DUT’s, including piezoelectric, IEPE, voltage and velocity sensors, over frequencies from 5 Hz to 15 kHz. These combined features can help calibration technicians to achieve a measurable 70%-time savings over single-DUT calibration methods with greater accuracy and repeatability. As a complete turnkey system, the Win 475 MDCC seamlessly integrates MB’s own Model CAL25AB air bearing exciter, together with its Model 407-8X multi-channel signal conditioner; MB 500VI power amplifier; and proprietary MB Win475 MDCC software, further supported by an industry standard NI DAQ card.

Other system components include an internal removable reference (REF) accelerometer with 100 mV/g sensitivity and usable frequency range to 15 kHz, further traceable to national standards and ISO 17025; an eight-DUT test instrument mounting fixture (TIMF) adaptor plate; a single-DUT TIMF; a 475PCM module; a Windows 10 PC, monitor, keyboard and printer; a calibration accessory kit; user manuals; and system installation, start-up and training support.

MB Dynamics -

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