Metabo DBF 457 Notice D'utilisation Originale page 15

tive measures for the user - for example, any organ-
isational steps that must be put in place.
Vibration (acceleration value, frequency-weighted
according to EN 28927):
a = Vibration emission level
h
K = Measurement uncertainty (vibration)
h
Sound level (EN ISO 15744):
L = Sound pressure level
pA
L = Acoustic power level
WA
K , K = Measurement uncertainty
pA WA
Wear ear protectors!
ENGLISH en
15