Deals with sound level meters of four degrees of precision, designated Types 0, 1, 2 and 3. Specifies the following characteristics: directional characteristics, frequency weighting characteristics, time-weighting, detector and indicator characteristics, sensitivity to various environments. Establishes electrical and acoustical tests to verify compliance with characteristics specified and describes the method for absolute sensitivity calibration.
Legislation related to this standard
Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
Harmonized/Supporting
WITHDRAWN
HD 425 S1:1983
WITHDRAWN
EN 60651:1994
99.60
Withdrawal effective
Jun 1, 2006