YOKOGAWA CQ1, User Manual, Page: 9 / 268

vii
IM 80J01A01-01E
Observe the following precautions to prevent hazardous situations that
could result in a bodily injury or death of the user, such as electric
shock, or that could result in damage to the equipment.
WARNING

Be sure to turn on the power to the equipment after confirming that
the power-supply voltage of the equipment matches the voltage of
the supplied power. Always use the dedicated power cable
supplied with your equipment.

This is a Class 1 laser product. However, the equipment houses a
Class 3B laser, which is protected by the enclosure and the
interlocks provided at openings. When using this product, heed the
precautions explained in
“
Laser Products Handling Precautions.
”

Controls and adjustments other than according to the procedures
specified herein will result in dangerous exposure to laser.

If you use Gas Mixer, CQ1 emits max. 20 % CO
2
mixture gas at a
rate of 200ml/min. If CO
2
concentration in the air exceeds 3%, it
may be harmful to the human body. Be sure to provide ventilation,
lead exhaust gas from CQ1 to outside of the room, or take other
appropriate measures. It is also recommended that an alarm
system be installed in case of emergency.

If you use Gas Mixer, CQ1 emits min. 0.1% low O
2
gas at a rate of
200ml/min. If O
2
concentration in the air drops below 18%, it may be
harmful to the human body. Be sure to provide ventilation, lead
exhaust gas from CQ1 to outside of the room, or take other
appropriate measures. It is also recommended that an alarm system
be installed in case of emergency.

Do not put a container with liquid or powder on the Main Unit,
Utility Boxes or cables of this instrument. Also, do not spill liquid or
powder on these materials. These materials may cause electric
shock and suffer electrical or mechanical damages.

Do not use the equipment by wet hand. It may cause electric
shock and suffer electrical or mechanical damages.