<1. INTRODUCTION>
1-3
IM 01E30D01-01EN
(3) Operation
WARNING
• Donotopenthecoverinwetweatheror
humid environment. When the cover is open,
stated enclosure protection is not applicable.
• Beforeopeningthecover,itisimportantto
ensure that at least 5 minutes have passed
since the power was turned off. Furthermore,
opening of the cover must also be carried out
by expert engineer or skilled personnel.
• Whenopeningandclosingthecover,besure
to handle the cover carefully so that there are
no damage and foreign matter adhesion at
its threads and O-ring.
• Besuretosetparametersas“Protect”
onthewriteprotectfunctionafternishof
parameter setting work.
(4) Maintenance
WARNING
• Maintenanceofthemagneticowmeter
should be performed by the trained
personnel having knowledge of safety
standard. No operator shall be permitted
to perform any operations relating to
maintenance.
• Donotopenthecoverinwetweatheror
humid environment. When the cover is open,
stated enclosure protection is not applicable.
• Whenopeningthecover,waitformorethan
5 minutes after turning off the power.
• Alwaysconformtomaintenanceprocedures
outlined in this manual. If necessary, contact
Yokogawa.
• Careshouldbetakentopreventthebuild
up of dirt, dust or other substances on the
display panel glass or name plate. If these
surfaces do get dirty, wipe them clean with a
soft dry cloth.
(5) Explosion Proof Type Instrument
WARNING
• Magneticowmeterswiththemodelname
AXRC are products which have been
certiedasexplosionprooftypeinstruments.
Strict limitations are applied to the structures,
installation locations, external wiring work,
maintenance and repairs, etc. of these
instruments.Sufcientcaremustbetaken,
as any violation of the limitations may cause
dangerous situations.
Be sure to read Chapter 14 before handling
the instruments. The description in Chapter
14 is prior to the other description in this
user’s manual.
ForTIISameprooftypeinstruments,
be sure to read “INSTALLATION AND
OPERATING PRECAUTIONS FOR TIIS
FLAMEPROOF EQUIPMENT” at the end of
this manual.
• Onlytrainedpersonsusethisinstrumentin
the industrial location.
• Takecarenottogeneratemechanical
spark when access to the instrument and
peripheral devices in hazardous locations.
(6) European Pressure Equipment Directive
(PED)
WARNING
• Whenusingtheinstrumentincompliance
with PED, be sure to read Chapter 13 before
use.
(7)Modication
Yokogawa will not be liable for malfunctions or
damageresultingfromanymodicationmade
to this instrument by the customer.
(8) Product Disposal
The instrument should be disposed of in
accordance with local and national legislation/
regulations.