NA 001

DIN/VDI Standards Committee Acoustics, Noise Control and Vibration Engineering

Project

Sound level meters - Additional requirements for special measuring tasks

Abstract

The document applies to sound level meters for special measurement tasks, particularly for - measuring the maximum level in consecutive time intervals, - measuring the statistical level distribution or exceedance levels, - measuring impulsive noise with time weighting I, - measuring audible noise in the presence of ultrasound with frequency weighting AU - measuring infrasound. The application of these additional requirements has to be agreed upon separately. Maximum permitted values of the expanded measurement uncertainty of the testing laboratory are specified for each of these measurement quantities. The tests and acceptance limits are inline with the specifications of DIN EN 61672-1 and DIN EN 61672-2.

Begin

2018-01-09

Planned document number

DIN 45657

Project number

00101046

Responsible national committee

NA 001-01-03 GA - Joint working committee NALS/DKE: Sound measuring instruments 

previous edition(s)

Sound level meters - Additional requirements for special measuring tasks
2014-07

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