The level of external noise of tracto
The exposition to the effects of high levels of noise for a longer period of time may lead to
hearing disorders or deafness. Protect your hearing with protective means, e.g. headphones, ear
lu
s etc
Resulting levels of noise when measuring noise for hearing of a person near a tractor. Based on European
directive 2009/63/EC - Amendment VI.
The level of internal sound of tractor
The exposition to the higher sound levels for longer periods of time may lead to hearing
disorders or deafness. Protect your hearing with protective measures, e.g. headphones, ear plugs
etc.
Resulting levels of noise when measuring noise for hearing of driver. Based on European directive
2009/76/EC.
The level of vibrations on driver´s seat
ZETOR tractors are classified in A category in classes I and II. ´A´category includes all tractors with set level
of vibrations owing to similar specifications of construction:
Results of measurement on testing bench are listed in the following table pursuant to directive 78/764/EEC.
The value a*wS is an adjusted value of effective acceleration balanced according to vibration movement.
The following table is valid for all type series of Zetor tractors.
(1) Values corresponding to driver´s weight of 50 kg.
2
Values correspondin
to driver´s wei
ht of 120 k
.
Model Major 60 Major 80
Travel speed 30 km/h
Tractor noise levels when travelling
(dB)
78,0 79,0
Tractor noise levels when standing
(dB)
78,0 78,5
Model Major 60 Major 80
Travel speed 30 km/h
Noise levels - closed windows (dB) 84,0 85,0
Brand of seat Model Springing
Class I & II
a*
wS
(1)
(m/s²)
a*
wS
(2)
(m/s²)
GRAMMER MSG85/721 mechanical 1,18 0,8
GRAMMER MSG95A/721 pneumatic 1,16 1,1
MARS 78/764-73xx mechanical 1,25 1,23
SEARS 3008 mechanical 1,24 1,06
SEARS 3045 pneumatic 1,13 1,03
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