MCCT LABORATORY
Mechanical and Climatic Calibration and Testing Laboratory
SERVICES - CALIBRATION
D. VIBRATION
Calibration of piezoelectric acceleration transducers:
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Within the LEIMC, the calibration of piezoelectric acceleration transducers is carried out, both those with load amplification and those powered by constant current (ICP/CCLD type) in the frequency range: 3 Hz ÷ 10000 Hz.
Normative references:
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ISO 16063-21:2003 "Methods for the calibration of vibration and shock transducers. Vibration calibration by comparison to a reference transducer";
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PSpE-LEIMC 11: 2020 "Calibration of piezoelectric acceleration transducers".
Working standards:
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Standard accelerometer type 301A11, series 2452: working mode: CCLD, sensitivity: 10.2 mV/(m/s²), measurement range: ±490 m/s² pk, frequency range: 0.5 Hz ÷ 10000 Hz;
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Multifunctional process calibrator: type Calys75, series: 0306Y A11 0995A.
Measuring equipment:
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Acquisition module LAN-XI 3160 A-042, Bruel&Kjaer, analog input channels: 4, frequency range: DC to 51.2 KHz, voltage range: ±31V, resolution: 24 bit.
Software for procurement and processing:
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PulseLabshop, Bruel&Kjaer, software for analog signal acquisition control and real-time processing of acquired data;
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PulseReflex, Bruel&Kjaer, top level digital signal processing software.
Equipment for generating load:
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Power amplifier, type LV103, manufactured by Robotron, series 4736, power supply 202V/50Hz, power: 100VA, frequency range: 3Hz ¸ 20kHz;
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Electrodynamic vibrator type 11077, manufactured by Robotron, series 01013, max. 100N, frequency range: 0.5Hz ¸ 10kHz.