Metabo PowerMaxx BH 12 BL 16 Originalbetriebsanleitung Seite 11

Vibration total value (vector sum of three directions)
determined in accordance with EN 60745:
a = Vibration emission value (hammer
h, HD
drilling into concrete)
K = Uncertainty (vibration)
h,HD
Typical A-effective perceived sound levels::
L = Sound pressure level
pA
L = Acoustic power level
WA
K , K = Uncertainty
pA WA
During operation the noise level can exceed
80 dB(A).
Wear ear protectors!
ENGLISH en
11