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IM 01E20C01-01E
1-2
1. INTRODUCTION
1.1 Using the Magnetic
Flowmeter Safely
WARNING
(1) Installation
•Installation of the magnetic flowmeter must be
performed by expert engineer or skilled person-
nel. No operator shall be permitted to perform
procedures relating to installation.
• The magnetic flowmeter is a heavy instrument.
Be careful that no damage is caused to person-
nel through accidentally dropping it, or by
exerting excessive force on the magnetic
flowmeter. When moving the magnetic flowme-
ter, always use a trolley and have at least two
people carry it.
•When the magnetic flowmeter is processing hot
fluids, the instrument itself may become ex-
tremely hot. Take sufficient care not to get
burnt.
•Where the fluid being processed is a toxic
substance, avoid contact with the fluid and
avoid inhaling any residual gas, even after the
instrument has been taken off the piping line for
maintenance and so forth.
•Do not apply excessive weight, for example, a
person sttepping on the magnetic flowmeter.
•All procedures relating to installation must
comply with the electrical code of the country
where it is used.
(2) Wiring
• The wiring of the magnetic flowmeter must be
performed by expert engineer or skilled person-
nel. No operator shall be permitted to perform
procedures relating to wiring.
• When connecting the wiring, check that the
supply voltage is within the range of the voltage
specified for this instrument before connecting
the power cable. In addition, check that no
voltage is applied to the power cable before
connecting the wiring.
• The protective grounding must be connected
securely at the terminal with the
mark to
avoid danger to personnel.
(3) Operation
• Do not open the cover until the power has been
off for at least 10 minutes. Only expert engi-
neer or skilled personnel are permitted to open
the cover.
(4) Maintenance
•Maintenance on the magnetic flowmeter should
be performed by expert engineer or skilled
personnel. No operator shall be permitted to
perform any operations relating to maintenance.
•Always conform to maintenance procedures
outlined in this manual. If necessary, contact
Yokogawa.
• Care should be taken to prevent the build up of
dirt, dust or other substances on the display
panel glass or data plate. If these surfaces do
get dirty, wipe them clean with a soft dry cloth.
1.2 Warranty
• The terms of this instrument that are guaranteed are
described in the quotation. We will make any repairs
that may become necessary during the guaranteed
term free of charge.
•Please contact our sales office if this instrument
requires repair.
• If the instrument is faulty, contact us with concrete
details about the problem and the length of time it
has been faulty, and state the model and serial
number. We would appreciate the inclusion of
drawings or additional information.
• The results of our examination will determine
whether the meter will be repaired free of charge or
on an at-cost basis.
The guarantee will not apply in the following
cases:
• Damage due to negligence or insufficient mainte-
nance on the part of the customer.
• Problems or damage resulting from handling,
operation or storage that violates the intended use
and specifications.
• Problems that result from using or performing
maintenance on the instrument in a location that
does not comply with the installation location
specified by Yokogawa.
• Problems or damage resulting from repairs or
modifications not performed by Yokogawa or
someone authorized by Yokogawa.
• Problems or damage resulting from inappropriate
reinstallation after delivery.
•Problems or damage resulting from disasters such as
fires, earthquakes, storms, floods, or lightning strikes
and external causes.