NSWIn ForceRegulation
Protection of the Environment Operations (Noise Control) Regulation 2026
Sch 1 s 4Microphone
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Sch 1 s 4 Microphone
4 Microphone
The measurement microphone must—
(a) be placed at a height of between 1.2m and 1.5m above ground level, and
(b) be placed at least 5m from a sound reflecting surface other than the ground, and
(c) have a wind screen that meets the specifications of the instrument’s manufacturer for outdoor measurements, and
(d) be oriented for optimum accuracy in accordance with the manufacturer’s instructions.