BS 6897-1:1987

National foreword
Committees responsible
0. Introduction
1. Scope and field of application
2. References
3. Symbols and units
4. Definitions
5. Basic requirements for force- and motion-
    measurement transducers
6. Calibration
7. Basic piezoelectric transducer calibrations
8. Supplementary calibrations
9. Presentation of data
Annexes
A. Relationship between mechanical impedance, mobility
    and modal analysis
B. Mobility as a frequency-response function
C. Determination of impedance-head attachment
    compliance and damping
Bibliography
Tables
1. Equivalent definitions to be used for various kinds
    of measured frequency response functions related to
    mechanical mobility
2. Summary of transducer calibrations and tests
Figures
1. Typical graph of plotted mobility test results
2. Accelerance graph corresponding to the mobility
    graph plotted in figure 1
3. Dynamic compliance graph corresponding to the
    mobility graph plotted in figure 1
4. Paper for plotting mobility graph
5. Graph of the real and imaginary components of
    mobility corresponding to figure 1
6. Polar diagram of the mobility results for the lowest
    frequency modes in figure 1
7. Example of test results showing the effect of
    impedance-head attachment compliance (256 averages)

Basic definitions for calibration tests, environmental tests and physical measurements necessary to determine the suitability of impedance heads, force transducers & response transducers for use in measuring mechanical mobility of structures.