d
e
f
g
h
©
Street
Crane
Co
Ltd
Ref:
D3256
rev.
B
Page
85
of
103
7.4
NOISE
LEVELS
The
mean
sound
pressure
level
was
measured
in
accordance
with
BS
EN
ISO
3744:1994.
For
measurement
purposes
the
hoist
unit
was
operated
under
normal
loading
conditions
for
a
full
operating
cycle.
Distance
from
Sound
Source
(metres)
Mean
Sound
Level
dB(A)
ZX6
ZX8
1
80
80
2
77
77
4
74
74
8
61
61
16
68
68
Figure
60
–
Sound
Pressure
Levels
The
sound
pressure
level
is
reduced
by
approx.
3dB(A)
each
time
the
distance
from
the
sound
source
is
doubled.
Summary of Contents for ZX6
Page 2: ......
Page 4: ...defgh Street Crane Co Ltd IV THIS PAGE IS INTENTIONALLY BLANK ...
Page 99: ...defgh Street Crane Co Ltd Ref D3256 rev B Page 99 of 103 NOTES ...
Page 100: ...defgh Street Crane Co Ltd Page 100 of 103 Ref D3256 rev B NOTES ...
Page 101: ......
Page 102: ......