Laser Safety
iv
Note
1.
The above table is intended to provide a convenient summary of
requirements. See text of this standard for complete requirements.
2.
AEL: Accessible Emission Limit
The maximum accessible emission level permitted within a particular
class. For your reference, see ANSI Z136.1-1993, Section 2.
• FDA (Compliance Guide for Laser Products, 1985, according
to 21 CFR1040.10)
Symbol and border: black
Background: yellow
Figure A Warning label - Hazard symbol
Legend and border: black
Background: yellow
Figure B Explanatory label
Requirements
Class (see note 1)
I
IIa
II
IIIa
IIIb
IV
Performance (all laser products)
Protective hous-
ing
R
(see note 2)
R
(see note 2)
R
(see note 2)
R
(see note 2)
R
(see note 2)
R
(see note 2)
Safety interlock
R (see
notes 3, 4)
R (see
notes 3, 4)
R (see
notes 3, 4)
R (see
notes 3, 4)
R (see
notes 3, 4)
R (see
notes 3, 4)
Location of con-
trols
N/A
R
R
R
R
Viewing optics
R
R
R
R
R
R
Scanning safe-
guard
R
R
R
R
R
R
Performance (laser systems)
Z157-E1-01C.book Page iv Thursday, August 31, 2006 5:13 PM