IEC 60123:1961

January 1961

International standard Cancelled

Recommendations for sound level meters

Main informations

Collections

International IEC standards

Publication date

January 1961

Number of pages

24 p.

Reference

IEC 60123:1961

Print number

Standard replaced by (1)

IEC 60651:1979

January 1979

International standard Cancelled

Sound level meters

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. This standard supersedes IEC 60123 and IEC 60179.

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