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Requirements from Regulations and Standards
190
ZG User’s Manual
Summary of Requirements to User
For Europe
EN 60825-1
Note: 1. This table is intended to provide a convenient summary of requirements. See text of this standard for
complete precautions.
2. Class 1M laser products that failed condition 1 of table10 of the standard. Not required for Class 1M laser
products that failed condition 2 of table10 of the standard. See the text for details.
3. Class 2M laser products that failed condition 1 of table10 of the standard. Not required for Class 2M laser
products that failed condition 2 of table10 of the standard. See the text for details.
Requirements
subclause
Classification
Class 1 Class 1M Class 2 Class 2M Class 3R Class 3B Class 4
Laser safety
officer Not required but recommended for applications
that involve direct viewing of the laser beam Not required
for visible
emission
Required for
non-visible
emission Required
Remote
interlock Not required Connect to room or door
circuits
Key control Not required Remove key when not in
use
Beam
attenuator Not required When in use prevents
inadvertent exposure
Emission
indicator device Not required Indicates
laser is
energized
for non-
visible
wavelengths Indicates laser is
energized
Warning signs Not required Follow precautions on
warning signs
Beam path Not
required Class 1M as
for Class 3B
(see note 2) Not
required Class 2M as
for Class3B
(see note 3) Terminate beam at end of useful
length
Specular
reflection No
requirements Class 1M as
for Class 3B
(see note 2) No
requirements Class 2M as
for Class3B
(see note 3) Prevent unintentional reflections
Eye protection No requirements Not required
for visible
emission
Required for
non-visible
emission Required if engineering
and administrative
procedures not
practicable and MPE
exceeded
Protective
clothing No requirements Sometimes
required Specific
requirements
Training No
requirements Class 1M as
for Class 3R
(see note 2) No
requirements Class 2M as
for Class3R
(see note 3) Required for all operator and
maintenance personnel