
Acoustics; Measurement At The Operator's Position Of Airborne Noise Emitted By Brush Saws
出版:Swiss Standards

专家解读视频
Determination of airborne noise emitted by brush cutters internal combustion powered; determination of sound power level using the enveloping surface method ("free field"-method) for prescribed measuring conditions.
"Indice de classement: SNV NF U25-514" (12/2001)
DIN EN 27917 : 1991 - Identical
ISO 7917 : 1987 - Identical
NF EN 27917 : 1992 - Identical
DIN EN 27917 E : 1991 - Identical
DIN EN 27917 : 1991 - Identical
NF EN 27917:1992 - Identical
DIN EN 27917 (1991-11) - Identical
ISO 7917:1987 - Identical
EN 27917:1991 - Identical