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TECHNICAL FEATURES
Table 1
Model
Code
MTR15
8305527
MTR8
8305522
MTR6
8305525
MTR4
8305524
MTR1
8305526
Air inlet 3/8" GAS
Ø inside tube min. 13 mm
Noise emission levels determined by using ISO/CD 15744
Note: make sure that the performance features required correspond to those described above, otherwise it will be
necessary to choose a different model from the broad range offered by OBER.
TOOL NOISE
The table of technical specifications indicates the noise level- where the noise level exceeds 85 dB (A) the noise power is
also indicated. Ear protectors must be worn where the noise level exceeds 85 dB (A) at the operator position. We
recommend that you also wear ear protectors below this noise level.
Noise risk and hearing damage are related to the intensity of the noise source and the length of exposure. Noise risk
must be assessed on a case by case basis taking into account these two factors. Measures should be taken to protect
the user against hearing damage in accordance with current Health and Safety regulations.
The formula and table can be used to calculate the daily exposure level for a tool using the use coefficient c. The use
coefficient c for a tapping head is between 20 and 40%.
Dally exposure
level
MATERIALS
OBER pneumatic tools consist of parts in steel, aluminium, cast iron, rubber and plastic and do not contain substances
which damage the environment or are harmful to people. However, the individual materials must be disposed of
separately, following the National indications for recycling and handling waste.
8
No-load
Power Consumpti
speed
on
(rpm)
(W)
(Nl/min.)
1600
740
1100
600
740
1100
550
740
1100
330
740
1100
100
740
1100
L
= L
+ 10 Log
eq,d
eq
Torque
Steel
at 6 bar
threading
(Nm)
(mm)
17
3-8
34
4-12
48
4-16
82
4-16
190
6-30
T
/ T
Te= c T
10
e
0
0
T
= 8h
0
Weight Ø fitting
Noise
Lp
(Kg)
(mm)
(dB(A))
2.4
48
77.8
3.05
60
77.8
2.7
48
77.8
2.7
48
77.8
3.35
60
77.8
L
eq
c
85
20%
30%
40%
GB
Fitting
chuck
B12
B16
B12
B12
B16
L
d
eq,
78,0
79,8
81,0
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