Operation Manual

1-2
IM 1F5B2-01E
WARNING
This symbol is used to indicate that a hazardous condition will result which, if not
avoided, may lead to loss of life or serious injury. This manual describes how the
operator should exercise care to avoid such a risk.
CAUTION
This symbol is used to indicate that a hazardous condition will result which, if not
avoided, may lead to minor injury or material damage. This manual describes how the
operator should exercise care to avoid a risk of bodily injury or damage to the instru-
ment.
IMPORTANT
This symbol is used to call your attention to a condition that must be observed in order
to avoid the risk of damage to the instrument or system problems.
NOTE
This symbol is used to call your attention to information that should be referred to in
order to know the operations and functions of the instrument.
For Safe Use of ULTRA YEWFLO
WARNING
• If the process fluid is harmful to personnel, handle ULTRA YEWFLO carefully even
after it has been removed from the process line for maintenance or other purposes.
Exercise extreme care to prevent the fluid from coming into contact with human flesh
and to avoid inhaling any residual gas.
CAUTION
• When carrying ULTRA YEWFLO around, exercise extreme care to avoid dropping it
accidentally and causing bodily injury.
CAUTION
• The /JF1 option code indicates that the model in question is an officially certified
explosion-protected instrument. Stringent regulations, therefore, apply with regard to
the construction, installation location, external wiring, maintenance and repair of
ULTRA YEWFLO. Care must be taken since using ULTRA YEWFLO in disregard
of these regulations may create a hazardous condition. ALWAYS before handling
ULTRA YEWFLO, be sure to read “Installation and Operating Precautions for
Flameproof Explosion-Protected Instruments” at the end of this manual.