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Caution on safety, Prohibition, Danger caution danger caution – Yokogawa IR400 User Manual

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IM 11G02N01-01E

First of all, read this “Caution on safety” carefully, and then use the analyzer in the correct way.

• The cautionary descriptions listed here contain important information about safety, so they should

always be observed. Those safety precautions are ranked in 3 levels, “DANGER”, “CAUTION” and
“PROHIBITION”.

Improper handling may cause dangerous situations that may
result in death or serious injury.

Improper handling may cause dangerous situations that may
result in medium-level troubles, minor injury, or property
damage.

Items which must not be done are noted.

Caution on installation and transport of gas analyzer

• The unit is not of explosion-proof specifications. Do not use it

in an atmosphere of explosive gases. Otherwise serious
accidents such as explosion or fire may result.

• Install the analyzer, observing the rules provided in this

manual, in a place that endures the weight of the analyzer.
Installation in an inadequate place may cause turnover or fall,
resulting in injury.

• Be sure to wear protective gloves when lifting the analyzer.

Lifting it with bare hands may result in injury.

• Be sure to fix the casing before transporting the analyzer.

Transportation in unstable state may result in injury.

• The gas analyzer is heavy. Two or more persons should carry

it, while exercising due care. Otherwise unexpected harm to
your body or injury may result.

• Take care not to let cable chips and other foreign objects enter

the unit during installation work. Otherwise fire, failure, or
malfunction may result.

DANGER

CAUTION

DANGER

CAUTION

PROHIBITION

CAUTION ON SAFETY