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  • BSI
    BS ISO 16063-42:2014 Methods for the calibration of vibration and shock transducers - Calibration of seismometers with high accuracy using acceleration of gravity
    Edition: 2014
    $313.97
    / user per year

Description of BS ISO 16063-42:2014 2014

This part of ISO 16063 specifies the instrumentation and procedure to be used for the accurate calibration of seismometer sensitivity using local gravitational acceleration (local Earth’s gravitation; local value for the acceleration due to the Earth’s gravity) as a reference value.

It is intended generally to be applied to a servo-type accelerometer with/without a velocity output, which usually has a mass position output in the category of a wide-band seismometer with a bandwidth from 0,003 Hz to 100 Hz.

The method specified enables the user to obtain static sensitivity for the seismometers up to 10−5 m/s2 (which corresponds to 1 mGal and approximately 1 ppm of the gravitational acceleration).

The combined and expanded (k = 2) uncertainty of applied acceleration achieved by this method is 10−6 m/s2 (0,1 mGal). When the absolute gravimeter described in this part of ISO 16063 is used, the uncertainty of applied acceleration can be suppressed to 5 × 10−8 m/s2 (5 μGal). The relative expanded uncertainty of calibration, excluding the uncertainty due to the device under test (DUT), is 0,5 %.

The intended end-usage of the seismometer to be applied is as follows:

  1. measurement and observation for the earth science including geophysics usage;

  2. measurement and observation for disaster prevention, such as detecting the precursor of a land slide;

  3. diagnosis for the soundness of a building structure and foundation soil in civil engineering;

  4. observation for nuclear-test detection.



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.

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