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a
=
Vibration emission value
h, D
(Drilling in metal)
a
=
Vibration emission value (screwing
h, S
without impact)
K
=
Uncertainty (vibration)
h, ...
Typical A-effective perceived sound levels:
L
= Sound-pressure level
pA
L
= Acoustic power level
WA
K
, K
=Uncertainty (noise level)
pA
WA
During operation the noise level can exceed
80 dB(A).
Wear ear protectors!
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