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Description / Abstract:
This recommended practice describes the conduct and analysis of
precision tests that are to be performed on linear accelerometers
using centrifuge techniques. The term "precision," in this context,
refers to tests that are conducted to evaluate accelerometer
parameters, as opposed to tests conducted to establish
environmental survivability only. Evaluation may take the form of
determining the coefficients of the accelerometer's model equation,
except for bias and scale factor, which are most accurately
determined by static multiposition tests. Alternatively, evaluation
may establish only that the accelerometer output complies with
specific error limit criteria.
Purpose
The principal error sources encountered during precision
centrifuge testing of linear accelerometers are described, along
with the test practices and data reduction techniques that have
been found most efficient in minimizing or compensating for
them.