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BRK 25, 40, 55, 70, 95
Noise and vibration declaration statement
Guaranteed sound power level Lw according to ISO 3744 in accordance with directive 2000/14/EC.
Sound pressure level Lp according to ISO 11203.
Vibration value A and uncertainty B determined according to ISO 28927-10. See table "Noise and vibration
data" for the values of A, B, etc.
These declared values were obtained by laboratory type testing in accordance with the stated directive or
standards and are suitable for comparison with the declared values of other tools tested in accordance with
the same directive or standards. These declared values are not suitable for use in risk assessments and values
measured in individual work places may be higher. The actual exposure values and risk of harm experienced
by an individual user are unique and depend upon the way the user works, in what material the machine is
used, as well as upon the exposure time and the physical condition of the user, and the condition of the
machine.
We, Atlas Copco Construction Tools AB, cannot be held liable for the consequences of using the declared
values, instead of values reflecting the actual exposure, in an individual risk assessment in a work place situation
over which we have no control.
This tool may cause hand-arm vibration syndrome if its use is not adequately managed. An EU guide to
managing hand-arm vibration can be found at
http://www.humanvibration.com/humanvibration/EU/VIBGUIDE.html
We recommend a programme of health surveillance to detect early symptoms which may relate to vibration
exposure, so that management procedures can be modified to help prevent future impairment.
Noise and vibration data
Type
BRK 25 D (Hex 25x82.5, 20 lpm)
BRK 40 (Hex 25x108, 20 lpm )
BRK 40 (Hex 28x160, 20 lpm )
BRK 40 (Hex 32x152, 20 lpm )
BRK 40 (Hex 32x160, 20 lpm )
BRK 40 VR (Hex 25x108, 20 lpm)
BRK 40 VR (Hex 28x152, 20 lpm)
BRK 40 VR (Hex 32x152, 20 lpm)
BRK 40 VR (Hex 32x160, 20 lpm)
BRK 55 (Hex 25x108, 20 lpm )
BRK 55 (Hex 25x108, 30 lpm )
BRK 55 (Hex 28x160, 20 lpm )
BRK 55 (Hex 28x160, 30 lpm )
BRK 55 (Hex 32x152, 20 lpm )
BRK 55 (Hex 32x152, 30 lpm )
BRK 55 (Hex 32x160, 20 lpm )
BRK 55 (Hex 32x160, 30 lpm )
BRK 55 VR (Hex 25x108, 20 lpm )
3392 5166 90 | Original instructions
Noise
Sound
pressure
Sound power
Declared values
ISO 11203
2000/14/EC
Lp
K
r=1m dB(A)
uncertainty
rel 20µPa
factor dB(A)
93
1.9
93
1.6
93
1.6
93
1.6
93
1.6
93
1.6
93
1.6
93
1.6
93
1.6
94
2.1
94
2.1
94
2.1
94
2.1
94
2.1
94
2.1
94
2.1
94
2.1
94
2.1
Safety and operating instructions
Three axes values
Declared values
ISO 28927-10
Lw
A
guaranteed
2
m/s
value
dB(A) rel 1pW
105
16.5
107
15.1
107
14.9
107
14.9
107
14.9
107
5.0
107
5.0
107
5.3
107
5.3
107
18.1
107
20.4
107
16.6
107
18.6
107
16.6
107
18.6
107
16.6
107
18.6
107
4.8
Vibration
B
2
m/s
spreads
2.1
2.0
2.1
2.1
2.1
1.0
1.0
1.0
1.0
2.3
2.5
2.1
2.3
2.1
2.3
2.1
2.3
1.0
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