<1. Introduction>
1-2
IM 01C25F01-01E
• Please note that changes in the specifications,
construction, or component parts of the
instrument may not immediately be reflected
in this manual at the time of change, provided
that postponement of revisions will not cause
difficulty to the user from a functional or
performance standpoint.
• Yokogawa assumes no responsibility for this
product except as stated in the warranty.
• If the customer or any third party is harmed by
the use of this product, Yokogawa assumes
no responsibility for any such harm owing to
any defects in the product which were not
predictable, or for any indirect damages.
• The following safety symbols are used in this
manual:
WARNING
Indicates a potentially hazardous situation which,
if not avoided, could result in death or serious
injury.
CAUTION
Indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate
injury. It may also be used to alert against unsafe
practices.
IMPORTANT
Indicates that operating the hardware or software
in this manner may damage it or lead to system
failure.
NOTE
Draws attention to information essential for
understanding the operation and features.
Direct current
Functional grounding terminal
Caution
This symbol indicates that the operator must
refer to an explanation in the user’s manual
in order to avoid the risk of injury or death of
personnel or damage to the instrument.
Trademarks
• ‘DPharp’, ‘EJX’, ‘EJA’, ‘FieldMate’ and ‘BRAIN
TERMINAL’ are registered trademarks or
trademarks of Yokogawa Electric Corporation.
Company names and product names used
in this material are registered trademarks or
trademarks of their respective owners.
• In this manual, trademarks or registered
trademarks are not marked with ™ or ®.
1.1 Safe Use of This Product
For the safety of the operator and to protect the
instrument and the system, please be sure to follow
this manual’s safety instructions when handling this
instrument. If these instructions are not heeded,
the protection provided by this instrument may be
impaired. In this case, Yokogawa cannot guarantee
that the instrument can be safely operated. Please
pay special attention to the following points:
(a) Installation
WARNING
• The instrument must be installed by an
expert engineer or a skilled personnel. The
procedures described about INSTALLATION
are not permitted for operators.
• In case of high process temperature, care
should be taken not to burn yourself because
the surface of body and case reaches a high
temperature.
• The instrument installed in the process is
under pressure. Never loosen the process
connector bolts to avoid the dangerous
spouting of process fluid.
• During draining condensate from the
pressure detector section, take appropriate
care to avoid contact with the skin, eyes
or body, or inhalation of vapors, if the
accumulated process fluid may be toxic or
otherwise harmful.
• When removing the instrument from
hazardous processes, avoid contact with the
fluid and the interior of the meter.
• All installation shall comply with local
installation requirement and local electrical
code.
