Deutsches Institut fur Normung e. V.

Methods for the calibration of vibration and shock transducers - Part 22: Shock calibration by comparison to a reference transducer (:2005 + Amd.1:2014)
 N ISO 16063-22

Annotation

This part of ISO 16063 specifies the instrumentation and procedures to be used for secondary shock calibration of rectilinear transducers, using a reference acceleration, velocity or force measurement for the time-dependent shock. The methods are applicable in a shock pulse duration range1) of 0,025 ms to 8,0 ms and a dynamic range (peak value) of 100 m/s to 2 000 km/s (time dependent).

These methods are not intended for the calibra tion of dynamic force transducers used in modal analysis.

NOTE 1 Larger accelerations (peak values) than 100 km/s2 and shorter pulse durations than 0,05 ms are possible with traceability to ISO 16063-13 under the following conditions for the primary shock calibration.

- The shock machine is based on wave propagation inside a long thin bar as specified in ISO 16063-13:2001, 4.3.

- An interferometer method and procedure specified in ISO 16063-13, 4.6 is used observing the maximum measurable velocity.

- The uncertainty requirements specified in ISO 16063-13 are complied with.

- Reference to primary methodologies (traceability) is limited to the maximum acceleration value used in the primary calibration.

NOTE 2 The methods specified in this part of ISO 16063 are based on the measurement of the time history of the acceleration. These methods fundamentally deviate from another shock calibration method that is based on the principle of the change in velocity, described in ISO 16063-1. The shock sensitivity therefore differs fundamentally from the shock calibration factor obtained by the latter method, but is in compliance with the shock sensitivity stated in ISO 16063-13.