PLEASE CAREFULLY GO THROUGH EACH SECTION, DOC AND LINK. YOU ARE REQUIRED TO ATTEMPT  THE QUIZZES AND THE ASSESSMENT 1. MINIMUM DURATION FOR THIS SECTION: 6 HOURS   Sound is a variation in pressure in the air and it

Noise exposure – YouTube  Types of sound level meter (SLMs) The international standard BS EN ISO 61672-1:2003 contains specifications for two classes of sound level meter; class 1 and class 2. While the accuracy obtained is lower in a class

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