KUHN FA 392, Assembly & Operators Manual, Page: 23 / 28

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SOUND LEVELS
Sound levels given out by : FA 392 rear mounted mower
Sound levels have been measured in accordance with the measuring methods as defined in :
HM Agricultural Inspectorate
AGRICULTURAL MACHINERY NOISE
Legislation and guidance on methods of testing
(Annex to AIC 1896/117 REV)
February 1988
Health and Safety Executive
The method employed corresponds to the method No. 4 in this document. Unspecified testing conditions comply
with ISO 5131 standard.
Measuring equipment conforms to NF S 31-009 standard. The tractor used has a power of 40 kW.
A-weighted emission sound pressure level L (A) eq inside tractor cab (with closed windows) :
Tractor only T machine
L (A) eq in dB(A) 87,3 dB (A) 90,4 dB (A)
Sound power level :
Tractor only T machine
Lw in dB (A) 104,0 dB (A) 107,1 dB (A)
P in mW 25,4 mW 51,9 mW
: