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8
An estimation of the level of exposure to
vibration should also take into account the
times when the tool is switched off or when
it is running but not actually doing the job.
This may significantly reduce the vibrational
load over the total working period.
Emission values for sound and vibration (Two-figure – specifications as per ISO 4871)
Sound emission
A-weighted emission pressure power level measured at the
L
workplace
(re 20 μPa), in decibels
pA
Measuring uncertainty
Measured A-weighted sound power level
in decibels
Measuring uncertainty
C-weighted peak sound pressure level measured at the
L
workplace
pCpeak
Measuring uncertainty
REMARK: The sum of the measured emission value and respective measuring inaccuracy rep-
resents the upper limit of the values that can occur during measuring.
Wear hearing protection!
Measured values determined in accordance with the corresponding product standard.
Emission values for vibration
Determined with a 45° bevel.
Material being worked: S235JR, material
thickness: 30 mm
KFH17-8 (**)
Work procedure
1. workstep (c = 5 mm)
2. workstep (c = 8 mm)
K
* This measured value depends on the material
and application and can therefore also be
exceeded.
K
, in decibels
pA
K
, in decibels
wA
, in decibels
K
, in decibels
pCpeak
Weighted
acceleration*
5.4 m/s
6.2 m/s
1.5 m/s
Identify additional safety measures to protect
the operator from the effects of vibration
such as: Maintain the power tool and the
accessories, keep the hands warm, organiza-
tion of work patterns.
L
(re 1 pW),
wA
KFH17-15 (**)
Work procedure
1. workstep (c = 5 mm)
2. workstep (c = 12 mm)
3. workstep (c = 15 mm)
K
2
* This measured value depends on the material
2
and application and can therefore also be
exceeded.
2
KFH17-8 (**)
KFH17-15 (**)
90
3
101
3
104
3
Weighted
acceleration*
90
3
101
3
104
3
2
3.7 m/s
2
4.1 m/s
2
4.3 m/s
2
1.5 m/s
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