|Document ID (ISN)||59778|
|Convention or series no.
||NT ACOU 081
||Sound signalling devices - Acoustic emission
||Nordtest, Postbox 111, 02101 Esbo, Finland, 1991. 7p.
||This method primarily specifies the way in which the acoustic properties of sound signalling devices are to be tested and is applicable to both indoor and outdoor warning systems. Contents: definitions; instrumentation; presentation of results; test conditions (choice of test site, ambient conditions, mounting of sound units, power supply, microphone positions, test procedure); measurement of acoustic characteristics; test report.
||acoustic signalling; acoustics; Finland; evaluation of equipment
||sound frequency; sound power; data sheet; description of technique; standard; noise level
||F - Information notes, codes of practice, standards
|Country / State or Province||Finland|
||Noise, hearing and vibration
|Broad subject area(s)