IEC 61672-2: Electroacoustics — Sound level meters — Part 2: Pattern evaluation tests

Electroacoustics — Sound level meters — Part 2: Pattern evaluation tests

Specifies the tests for pattern evaluation (type testing) of sound level meters conforming to IEC 61672-1.

Key Clauses

Clause	Title	Summary
5	Electrical tests	Level linearity, frequency weighting, and time weighting tests.
6	Electroacoustic tests	Free-field and diffuse-field microphone response.
7	Environmental tests	Temperature, humidity, and static pressure influence.

SPL Meter

IEC 61672-1 Class 2 sound level meter

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