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6.2. According IEC 825 standard the rangefinder belongs to the
third class device of laser radiation hazard.
NEVER:
- Turn on the rangefinder aiming on people or animals;
- Measure distance through window and door glasses;
- Measure distance to mirror-reflecting surfaces (mirrors,
car and building windows, optical components, grinded
and polished surfaces), which are nearer than 1700 m to
the rangefinder;
- Direct radiation to diffuse-reflecting surfaces (walls,
curtains, papers), which are nearer than 0.43 m to the
rangefinder;
- Inspect the rangefinder optical components on the
housing side when the selector switch is on.
6.3. Persons who are in the dangerous zone of laser radiation
must wear protective goggles ZН22-72-СZС-22-6 or ОZP or
similar for eyes protection.
Table 10.2
Operations Procedure as
per
Materials, tools and
accessories
1. Servicing within
Check Inspection
scope
2. Cleaning
rangefinder to
remove dust, dirt
and moisture
3. Retouching painted
exterior of the
rangefinder (when
required)
4. Drying and repair
the straps (when
required)
5. Replacing silica
gel (when required)
6. Replacing defective
components with
spares (to be taken
from individual
SPTA set)
7. Tightening sleeves
on knob end facets
Table 10.1
Article 10.6.3
Article 11.3
Table 10.1,
Article 10.3
As in Table 10.1
Cloth
Brush, painting enamel
Silica gel
Individual SPTA set