Hitachi DH 25DL Mode D'emploi page 16

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Information concerning airborne noise and vibration
The measured values were determined according to
EN60745 and declared in accordance with ISO 4871.
Measured A-weighted sound power level: 103 dB (A)
Measured A-weighted sound pressure level: 92 dB (A)
Uncertainty KpA: 3 dB (A).
Wear hearing protection.
Vibration total values (triax vector sum) determined
according to EN60745.
[DH36DAL]
Hammer drilling into concrete:
Vibration emission value
2
Uncertainty K = 1.5 m/s
Equivalent chiselling value:
Vibration emission value
2
Uncertainty K = 1.5 m/s
[DH25DAL]
Hammer drilling into concrete:
Vibration emission value
2
Uncertainty K = 1.5 m/s
Equivalent chiselling value:
Vibration emission value
2
Uncertainty K = 1.5 m/s
The declared vibration total value has been measured in
accordance with a standard test method and may be used
for comparing one tool with another.
It may also be used in a preliminary assessment of
exposure.
WARNING
The vibration emission during actual use of the
power tool can differ from the declared total value
depending on the ways in which the tool is used.
Identify safety measures to protect the operator that
are based on an estimation of exposure in the
actual conditions of use (taking account of all parts
of the operating cycle such as the times when the
tool is switched off and when it is running idle in
addition to the trigger time).
15
a
h, HD = 18.6 m/s 2
a
2
h, CHeq = 12.5 m/s
a
h, HD = 16.7 m/s 2
a
2
h, CHeq = 11.9 m/s