SONOMETROS INTEGRADORES-PROMEDIADORES.
INTEGRATING-AVERAGING SOUND LEVEL METERS.
SONOMÈTRES INTEGRATEURS-MOYENNEURS.
Buy on AENOR
17.140.50 / Electroacoustics
CTN 209 - Electronic equipment
IEC 804:1985+A1:1989 (Identical)
It is cancelled by: UNE-EN 60804:1996
