62
S
E
CT
IO
N 4
La
se
r Pr
o
duc
t
C
las
sific
a
tio
n
s
Setup Manual
SECTION 4
Appendix
ANSI Z136.1:1993 "American National Standard for the Safety Use of Lasers"
Note:
LEGEND
X:Shall
• :Should
---:No requirement
✩
:Shall if enclosed Class 3b or Class 4
MPE:Shall if MPE is exceeded
NHZ:Nominal Hazard Zone analysis required
Control measures
Classification
Engineering Controls
1
2a
2
3a
3b
4
Protective Housing
X
X
X
X
X
X
Without Protective Housing
LSO shall establish Alternate Controls
Interlocks on Protective Housing
✩
✩
✩
✩
X
X
Service Access Panel
✩
✩
✩
✩
X
X
Key Control
---
---
---
---
•
X
Viewing Portals
---
---
MPE
MPE
MPE
MPE
Collecting Optics
MPE
MPE
MPE
MPE
MPE
MPE
Totally Open Beam Path
---
---
---
---
X
NHZ
X
NHZ
Limited Open Beam Path
---
---
---
---
X
NHZ
X
NHZ
Enclosed Beam Path
None is required if 4.3.1 and 4.3.2 fulfilled
Remote Interlock Connector
---
---
---
---
•
X
Beam Stop or Attenuator
---
---
---
---
•
X
Activation Warning Systems
---
---
---
---
•
X
Emission Delay
---
---
---
---
---
X
Indoor Laser Controlled Area
---
---
---
---
X
NHZ
X
NHZ
Class 3b Laser Controlled Area
---
---
---
---
X
---
Class 4 Laser Controlled Area
---
---
---
---
---
X
Laser Outdoor Controls
---
---
---
---
X
NHZ
X
NHZ
Laser in Navigable Airspace
---
---
---
•
•
•
Temporary Laser Controlled Area
✩
MPE
✩
MPE
✩
MPE
✩
MPE
---
---
Remote Firing & Monitoring
---
---
---
---
---
•
Labels
X
X
X
X
X
X
Area Posting
---
---
---
•
X
NHZ
X
NHZ