Ober RL1, Operating Instructions Manual, Page: 7 / 28

6
TECHNICAL FEATURES
GB
Table 1
Model Code Speed Power Consumption Weight Ø cutter Ø collet Length Ø body
D1 D2 L E
(rpm) (watt) (Nl/min.) (Kg.) (mm) (mm) (mm) (mm)
RL1 8150501 20000 260 430 0, 9 22 6-1/4" 210 43
RL2
8150502 18000 330 480 1,2 22 6-1/4" 230 50
Table 1bis
Model Ø inside Air inlet Noise Acoustic power Vibrations
tube T A L
eq
Ln a
h
(mm) (GAS) (db(A)) (db(A)) (m/s
2
)
RL1 8 1/4 GAS 87,0 100,8 < 2.5
RL2
8 1/4 GAS 87,,0 100,8 < 2.5
TOOL NOISE
Noise emission levels determined by using ISO/CD 15744
The table 1bis of technical specifications indicates the noise level- where the noise level exceeds 85 dB (A) the acoustic
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 trimmers is between 30 and 60%.
L
eq,d
= L
eq
+ 10 Log
10
T
e
/ T
0
TOOL VIBRATION
The tool in question, tested with regard to the conditions required by the relevant technical standards for feed pressure:

ISO 2787 (Rotary and percussive pneumatic tools - performance tests)
for general test indications:

ISO 5349 (Mechanical vibration - Guidelines for the measurements and the assessments of human exposure to
hand-transmitted vibration
for weighting factors:

ISO 5349 (Mechanical vibration - Guidelines for the measurements and the assessments of human exposure to
hand-transmitted vibration
characterised by the following level of vibrations:
a
h
= frequency-weighted acceleration <2.5m/s
2
The risk from vibrations is linked not only to the intensity of the source, but also to the exposure time and it is therefore
advisable to evaluate the use of the individual tool during the working day and stick to the regulations in force in individual
countries in order to protect users.
Te= c T
0
T
0
= 8h
Daily exposure
level
L
eq
c
L
eq,
d
85 30%
45%
60% 79,8
81,5
82,8