IEC - International Electrotechnical Commission - IEC 60804:1985/AMD2:1993
Amendment 2 - Integrating-averaging sound level meters
revised
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 21 September 1993 |
| Status: | revised |
| Page Count: | 9 |
| ICS Code (Electroacoustics): | 17.140.50 |
abstract:
Contains changes to clauses 3, 4, 6, 9 and 11 of IEC 60804.
Document History
October 9, 2000
Integrating-averaging sound level meters
Describes instruments for the measurement of frequency weighted and time averaged sound-pressure levels. Ensures specified accuracy and stability of an integrating sound level meter and reduces to...
IEC 60804:1985/AMD2:1993
September 21, 1993
Amendment 2 - Integrating-averaging sound level meters
Contains changes to clauses 3, 4, 6, 9 and 11 of IEC 60804.
September 15, 1989
Amendment 1 - Integrating-averaging sound level meters
Contains changes to clauses 6 and 9 of IEC 60804.
January 1, 1985
Integrating-averaging sound level meters
Describes instruments for the measurement of frequency weighted and time averaged sound-pressure levels. Ensures specified accuracy and stability of an integrating sound level meter and reduces to...