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Audibility Test

Question asked by yanche on Jan 15, 2016
Latest reply on Jan 29, 2016 by psmith

When is Audibility Test supposed to be done (measuring decibel level in Alarm condition vs Ambient Level)? At the acceptance test, or during the regular inspection? And how often?

If you know any useful material that refers to how the Audibility should be done please let me know.