Safety features for LED products
iii
Safety measures for laser product users (summary)
[From the JIS “Safety of laser products”]
Classification
Requirements
Class 1
Class 1M
Class 2
Class 2M
Class 3R
Class 3B
Class 4
Laser safety
officer
10.1
Not required. However, it is recommended that a
laser safety officer be in place for applications that
require direct laser beam observation.
Not required
for visible
light.
Required for
invisible light.
Required
Remote interlock
10.2
Not required
Connect this to a room or
door circuit.
Control using
a key
10.3
Not required
Remove the key when this
system is not used.
Beam attenuator
10.4
Not required
Avoid unnecessary
irradiation.
Irradiation
indicator
Not required
Indicates that
a laser with
an invisible
wavelength is
being
irradiated.
Indicates that a laser is
being irradiated.
Warning label
10.5
Not required
Observe the safety
measures on the warning
label.
Beam path
10.6
Not
required
The
requirements
for class 1M
are the same
as those for
class 3B.
Not
required
The
requirements
for class 2M
are the same
as those for
class 3B.
Terminate the beam at the end of the path
with an effective length.
Specular
reflection
10.7
No
require-
ments
The
requirements
for class 1M
are the same
as those for
class 3B.
No
require-
ments
The
requirements
for class 2M
are the same
as those for
class 3R.
Avoid unintended reflections.
Eye protection
10.8
No requirements
Required when
technological or
managerial procedures
cannot be implemented
and the maximum
permissible exposure
(MPE) level is exceeded.
Protective wear
10.9
No requirements
Occasionally
required.
Specific
instructions
are
necessary.
Training
10.10
No
require-
ments
The
requirements
for class 1M
are the same
as those for
class 3R.
No
require-
ments
The
requirements
for class 2M
are the same
as those for
class 3B.
Required for all operators and
maintenance workers