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Calibration of Accelerometers

Reference accelerometers are often calibrated as a Primary calibration. This can be done in the Danish Primary Laboratory of Acoustics (DPLA) using the Laser Interferometry method.

In HBK service centers the calibrations are done as secondary, comparison calibrations using the method specified in IEC 16063 and measured to product specifications.

Standard calibrations are performed in the range from 10 Hz to 20 kHz. Low-frequency calibrations are available down to 1 Hz.

Long-term Quality Assurance of Measurement Results

For accelerometers, Brüel & Kjær can provide accredited calibration and traceable calibration. Regular accredited and traceable calibrations ensure that your accelerometer is working correctly and provides proof of measurement accuracy

See our range of vibration transducers

  • Accelerometers
  • Vibration Transducers
  • Force Transducers / Force Sensors

    • Accredited calibration

    An accredited certificate will be accepted without discussion from your customers or auditing authorities. Brüel & Kjær can provide the following types of accreditations for Brüel & Kjær accelerometers:

    • DANAK (English certificate)
    • A2LA (English certificate)
    • DAkkS (German certificate)
    • NATA (English certificate)

    Initial calibration

    To start the accredited calibration history from day one, we recommend that you take advantage of our accredited-calibration services when you purchase your new accelerometer.

    Re-calibration

    Brüel & Kjær recommends annual re-calibration to provide data for an unbroken calibration history to use as a reference, either for internal requirements, for auditing required by authorities or at the request of your customers. The shorter the period between calibrations, the lower the risk of questionable measurements.

    Measurements

    Calibration of accelerometers is performed in the range 1 Hz to 20 kHz

    Measurements are conducted according to IEC 16063 and to the manufacturer’s specifications

    Measurements are traceable to institutions such as NIST and PTB

    Certificate

    With the accredited certificate, you get:

    • Proof that calibration has been performed according to quality requirements in ISO 17025
    • Frequency response curve and measured uncertainty
    • Internationally accepted certificate with the logo of the accreditation body
    • Calibration conditions: air temperature, air pressure and relative humidity

    Traceable calibration

    Measurements

    Calibration of accelerometers is performed in the range 1 Hz to 20 kHz. Measurements are conducted according to IEC 16063 and the manufacturer’s specifications. Measurements are traceable to institutions such as NIST and PTB.

    Certificate

    The certificate includes all measurement results.

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