NetterVibration NTP Series Operating Instructions Manual page 6

Sound level
6
WARNING
Sound level
Near the NTP or in the vicinity of the constructions connect-
ed with the NTP, the sound pressure level may exceed 80 >
dB(A). The human ear can be permanently damaged by the
high sound level.
➢ When working in the noise area, use ear protection if
80 > dB(A) is exceeded.
Safety