Advertisement
Use Precautions
● EN60825-1
Requirements; Sub-
clause
Remote interlock
Not required
Key control
Not required
Beam attenuator
Not required
Emission indicator de-
Not required
vice
Warning signs
Not required
Beam path
Not required
Specular reflection
No requirements
Eye protection
No requirements
Protective clothing
No requirements
Training
No requirements
*With respect to the requirements of remote interlock connector, key control, beam attenuator, and emission indicator, Class 3B laser products not
exceeding five times the AEL of Class 2 in the wavelength range of 400 nm to 700 nm are to be treated as Class 3A laser products.
Note:
This table is intended to provide a convenient summary of requirements. See text of this standard for complete precautions.
● ANSI Z136.1:1993 "American National Standard for the Safe Use of Lasers"
Control Measures for the Four Laser Classes
Control measures
Engineering Controls
Protective Housing (4.3.1)
Without Protective Housing (4.3.1.1)
Interlocks on Protective Housing (4.3.2)
Service Access Panel (4.3.3)
Key Control (4.3.4)
Viewing Portals (4.3.5.1)
Collecting Optics (4.3.5.2)
Totally Open Beam Path (4.3.6.1)
Limited Open Beam Path (4.3.6.2)
Enclosed Beam Path (4.3.6.3)
Remote Interlock Connector (4.3.7)
Beam Stop or Attenuator (4.3.8)
Activation Warning Systems (4.3.9)
Emission Delay (4.3.9.1)
Indoor Laser Controlled Area (4.3.10)
Class 3b Laser Controlled Area (4.3.10.1)
Class 4 Laser Controlled Area (4.3.10.2)
Laser Outdoor Controls (4.3.11)
Laser in Navigable Airspace (4.3.11.2)
Temporary Laser Controlled Area (4.3.12)
Remote Firing & Monitoring (4.3.13)
Labels (4.3.14 and 4.7)
Area Posting (4.3.15)
Administrative & Procedural Controls
Standard Operating Procedures (4.4.1)
Output Emission Limitations (4.4.2)
Education and Training (4.4.3)
Authorized Personnel (4.4.4)
Alignment Procedures (4.4.5)
ZX Series (ZX-L)
18
Class 1
Class 2
Terminate beam at end of useful length
1
X
LSO (see note 2) shall establish Alternate Controls
✩
✩
---
---
MPE
---
---
None is required if 4.3.1 and 4.3.2 fulfilled
---
---
---
---
---
---
---
---
---
✩
MPE
---
X
---
1
---
---
---
---
---
Smart Sensors
Classification
Class 3A
Connect to room or door circuits
Remove key when not in use
When in use prevents inadvertent exposure
Indicates laser is energized
Follow precautions on warning signs
Prevent unintentional reflections
Required if engineering and administrative procedures not practicable
and MPE exceeded
Sometimes required
Required for all operator and maintenance personnel
Classification
2a
2
3a
X
X
X
✩
✩
✩
✩
✩
✩
---
---
---
---
MPE
MPE
MPE
MPE
MPE
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
•
✩
✩
✩
MPE
MPE
MPE
---
---
---
X
X
X
---
---
•
2a
2
3a
---
---
---
---
---
LSO Determination
---
•
•
---
---
---
---
X
X
Class 3B*
Class 4
Specific requirements
3b
4
X
X
X
X
X
X
•
X
MPE
MPE
MPE
MPE
X
X
NHZ
NHZ
X
X
NHZ
NHZ
•
X
•
X
•
X
---
X
X
X
NHZ
NHZ
X
---
---
X
X
X
NHZ
NHZ
•
•
---
---
---
•
X
X
X
X
NHZ
NHZ
3b
4
•
X
X
X
X
X
X
X
Advertisement
