Leica 772789-R Laser Level User Manual


 
22
Safety Directions
Roteo 20HV/25H/35/35G - 1.2.0en
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WARNING
From a safety perspective class 3R laser products
should be treated as potentially hazardous.
Precautions:
Prevent direct eye exposure to the beam. Do not direct
the beam at other people.
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WARNING
Potential hazards are not only related to direct
beams but also to reflected beams aimed at reflecting
surfaces such as prisms, windows, mirrors, metallic
surfaces etc.
Precautions:
Do not aim at areas that are essentially reflective, such
as mirror, or which could emit unwanted reflections.
Labelling, Laser Class 3R (Roteo 20HV/25H/35)
1) Laser beam
2) Plumb beam
Description Value
Maximum radiant power < 2.7 mW c.w.
Pulse duration (effective) 4.5, 2.2, 1.5, 1.1 ms
Pulse repetition frequency 0, 2.5, 5, 7.5, 10 rps
Wavelength
- Roteo 20HV/25H/35
- Roteo 35G
620-690 nm
529-535 nm
Beam divergence < 1.5 mrad
NOHD (Nominal Ocular
Hazard Distance) @ 0.25s 35 m / 115 ft
Scan angle 2 to 36°
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Laser Radiation
Avoid direct eye exposure
Class 3R Laser Product
according to
IEC 60825-1 (2007-03)
P
0
2.7 mW c.w.
λ = 620 - 690 nm
Laser Aperture