Clarke CONTRACTOR CON300 Instrukcja obsługi i konserwacji - Strona 15
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VIBRATION EMISSIONS
The uncertainty factor should also be taken into account when assessing a risk.
The two figures ' a ' and ' K 'may be added together and the resultant value used
to assess the risk.
It should be noted that if a tool is used under abnormal, or unusual conditions, then
the vibration level could possibly increase significantly. Users must always take this
into account and make their own risk assessment, using the graph above as a
reference.
Some tools with a high vibration value, such as impact wrenches, are generally
used for a few seconds at a time, therefore the cumulative time may only be in
the order of a few minutes per day. Nevertheless, the cumulative effect,
particularly when added to that of other hand held power tools that may be
used, must always be taken into account when the total daily dose rate is
determined.
Declared vibration emission value in accordance with EN12096
Measured vibration emission value - a:
Values determined according to EN28622-1
15
2
< 2.5 m/s