Ceilometer CT25K
CT25K-U059en-2.1 User’s Guide
ix
SAFETY SUMMARY
The following safety precautions must be observed during all phases of
operation, service, and repair of this instrument. Failure to comply with these
precautions or with specific warnings elsewhere in this manual violates safety
standards of design, manufacture, and intended use of the instrument.
VAISALA assumes no liability for the customer’s failure to comply with these
requirements.
LASER SAFETY
The CT25K is officially certified as a Class 1 laser device in accordance with
European standard EN 60 825-1:1994. It is also classified in accordance with
U.S. regulation 21 CFR 1040 as a Class 1 laser device. This means that a
CT25K Ceilometer installed in a field environment with instrument covers on
and pointed vertically or near-vertically poses no established biological
hazard to humans.
The device is equipped with the following label:
The instrument is intended for operation in an area restricted from public
access, and to be pointed vertically or near-vertically up. The following
precautions are to be noted and followed during service and maintenance of
the instrument:
• Never look directly into the Laser Transmitter with magnifying optics
(glasses, binoculars, telescopes, etc.)
• When operating, avoid looking at the ceilometer unit from the beam
direction. When tilting the unit, make sure that it is not being viewed from
the beam direction with magnifying optics.
• Only trained personnel should perform maintenance functions. Work area
access by unauthorized persons during service operations must be
prevented.
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