<1. Introduction>
1-2
IM 01C27C01-01EN
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.
Notice
NO RIGHTS OR LICENSES, EXPRESS OR
IMPLIED, ARE GRANTED TO USE THIRD-PARTY
DEVICES IN COMBINATION WITH THESE
PRODUCTS IN A WIRELESS MESH NETWORK,
OR TO USE THIRD-PARTY SERVICES TO
ACCESS, MONITOR OR CONTROL THESE
PRODUCTS IN A WIRELESS MESH NEWORK
VIA THE INTERNET OR ANOTHER EXTERNAL
WIDE AREA NETWORK.
Patent Marking
Covered by one or more claims of patents:
http://sipcollc.com/patent-list/ and http://intusiq.com/
patent-list/.
1.1 Safe Use of This Product
This product is designed to be used by a person
with specialized knowledge. 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
• This instrument may only be installed by an
engineer or technician who has an expert
knowledge of this device. Operators are not
allowed to carry out installation unless they
meet this condition.
• With high process temperatures, care must
be taken not to burn yourself by touching the
instrument or its casing.
• Never loosen the process connector nuts when
the instrument is installed in a process. This can
lead to a sudden, explosive release of process
fluids.
• When draining condensate from the pressure
detector section, take appropriate precautions
to prevent the inhalation of harmful vapors and
the contact of toxic process fluids with the skin
or eyes.
• When removing the instrument from a
hazardous process, avoid contact with the fluid
and the interior of the meter.
• All installation shall comply with local installation
requirements and the local electrical code.
(b) Wiring
• The instrument must be installed by an
engineer or technician who has an expert
knowledge of this instrument. Operators are not
permitted to carry out wiring unless they meet
this condition.