Safety 2-11
2.8 Laser Radiation
WARNING! The Height Sensor contains a Class 2 laser. DO NOT look directly at the laser
beam. Looking directly at the laser beam may result in serious eye injury.
If your S-920 Series Dispensing System is equipped with the optional laser height sensor, the following
safety precautions should be observed in addition to the basic system safety precautions:
• Operate the laser height sensor in accordance with
the operator’s manual included with the equipment.
Failure to do so may result in injury due to exposure
to the laser beam.
• DO NOT disassemble the sensor head. Laser
emission from the height sensor is not automatically
stopped if the sensor head is disassembled.
• DO NOT look directly at the laser beam or its
reflection.
• Wear protective goggles when using the laser height
sensor.
• Check the laser beam path. DO NOT install the
height sensor in such a way that the laser beam
passes at eye level.
• DO NOT open the hood while the laser is on.
" NOTE The laser beam is not harmful to the skin so there
is no danger in exposing arms or hands to the
beam. The only possible health hazard is in
exposing the eyes to the laser beam, which could
result in serious eye injury.
Figure 2-7 Laser Height Sensor
2.8.1 Laser Height Sensor Specifications
Table 2-2 contains Laser Height Sensor specifications.
Table 2-2 Laser Height Sensor Specifications
Classification Class 2 Laser Product
Light Source
Red semiconductor laser (λ = 670 nm)
Maximum Output 1.0 mW
Emitted Wavelength 670 nm
Spot Diameter
110 μm at reference distance
Reference Distance and Range 70 mm ± 15 mm (2.75 in. ± 0.6 in.)
Environmental Range
0 to 55 °C
0 to 85% RH
Ambient Light 4,000 lux max
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