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TECHNICAL FEATURES
Table 1
Model
ERVIT11RE
8302161
ERVIT22RE
8302162
8302163
ERVIT33RE
ERVIT44RE
8302164
8302174
ERGOVIT22RE
ERGOVIT25RE
8302176
ERGOVIT33RE
8302173
8302175
ERGOVIT55RE
ERGOVIT77RE
8302177
SUPERGOVIT2RE
8302178
8302179
SUPERGOVIT3RE
SUPERGOVIT5RE
8302180
Air inlet 1/4 GAS - Ø inside tube min. ERVIT 6 mm; ERGOVIT 8 mm SUPERGOVIT 10 mm - 1/4" hexagonal connection
(6.35 mm)
Noise emission levels determined by using ISO/CD 15744
Levels of vibrations at the handle determined by using ISO 8662
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 screwdriver is between 10 and 35%.
Dally exposure
level
TOOL VIBRATION
The table of technical specifications indicates the vibration level for the tool; the vibration level is calculated as the
squared weighted value of the acceleration frequency, Vibration risk is related to the intensity of the vibration source and
the length of exposure. Vibration risk must be assessed an a case by case basis taking into account these two factors.
Measures should be taken to protect the user against vibration injury 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 screwdriver is between 10 and 35%.
Daily exposure
level
Code
Speed
Power
(rpm)
(watt)
2000
130
800
130
450
130
250
130
1700
220
950
220
670
220
380
220
210
220
1900
440
750
440
420
440
L
= L
+ 10 Log
eq,d
eq
t
a
a
8 ,
h
h
h
8
Torque Consumption Weight
(Nm)
(Nl/min.)
1,4
420
3,6
420
6,5
420
11,5
420
3,5
680
6,3
680
8,8
680
15,7
680
28
680
10
750
18
750
25
750
T
/ T
Te= c T
10
e
0
T
= 8h
0
0
5 ,
t = c 8h
Clutch gr.
(Kg)
1
7311156.2
1,2
7311156
1,2
7311156
1,2
7311158
1,1
7311156
1,3
7311158
1,3
7311158
1,3
7311158
1,3
7311158.1
1,3
7311158
1,5
7311158.1
1,5
7311158.1
L
c
eq
85
10%
0
20%
35%
a
c
h
2.5
10%
20%
35%
GB
Noise
Vibrations
Lp
a
h
2
(dB(A))
(m/s
)
76.5
< 1
76.5
< 1
76.5
< 1
76.5
< 1
74.7
< 1
74.7
< 1
74.7
< 1
74.7
< 1
74.7
< 1
80.3
< 1
80.3
< 1
80.3
< 1
L
d
eq.
75.0
78.0
80.4
a
h.8h
0.8
1.1
1.5
7
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