This standard specifies requirements for integrating-averaging sound level meters including requirements with respect to power- and ratio-frequency fields and to electrostatic discharge, and the permitted radio-frequency emissions, together with test procedures to verify compliance.

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• DS DS/CLC/TS 50131-2-7-3 : Alarm systems - Intrusion and hold-up systems - Part 2-7-3: Intrusion detectors - Glass break detectors (active)
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