Acoustics and vibration. Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion Ingestion-build-64721 1 – Use of relays

1 – Use of relays at fire alarm CIE to actuate release mechanisms

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BS EN 2591-419 specifies a method of determining the stability in the insert of male contacts used in elements of the electrical and optical connections

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Acoustics and vibration. Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion Ingestion-build-64721 1 – Use of relays1 Scope This part of ISO 10846 specifies a method for determining the dynamic transfer stiffness for translations of resilient supports, under specific preload. The method concerns the laboratory measurements of vibration transmissibility and is called the indirect method. This method is applicable to test elements with parallel flanges (see Figure 1). NOTE 1 Vibration isolators which are the subject of this part of ISO 10846 are those which are used