NOISE EMISSION FRONIUS ECO
Fronius International GmbH
confirms the following acoustic parameters:
Wels, September 26th 2017
Sound power Sound pressure
Fronius Eco 25.0-3-S
Fronius Eco 27.0-3-S
72,5 dB(A) (ref. 1pW) 60,3 dB(A) (ref. 20µPa)
72,5 dB(A) (ref. 1pW) 60,3 dB(A) (ref. 20µPa)
Acoustic measurements can deliver several parameters. The typically used one are sound power level and
sound pressure level.
Sound power is the sum of noise emitted over the whole surface of the device.
Sound pressure is typically measured in 1m distance in front of the housing and represents the noise exposure
at this position in a certain ambient.
Fronius International GmbH
Solar Energy Division
Froniusplatz 1
A-4600 Wels
DI Thomas Mühlberger
Head of Solution Management
02/2011
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