YOKOGAWA RAMC User Manual

<1. INTRODUCTION>
1-2
IM 01R01B02-00E-E 12th edition October 01, 2014 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
1.1 For Safe Use of Rota-
meter RAMC
(0) General
• Working with bare skin should not be done.
• Working with wet hand, body should not be
done.
(1) Installation
• Installation of the RAMC variable area owme-
ter must be performed by expert engineer or skilled
personnel. No operator shall be permitted to
perform procedures relating to installation.
• The RAMC owmeter is a heavy instrument.
Be careful that no damage is caused to personnel
through accidentally dropping it, or by exerting
excessive force on the RAMC owmeter.
• All procedures relating to installation must comply
with the electrical code of the country where it
is used.
(2) Wiring
• The wiring of the RAMC owmeter must be per-
formed by expert engineer or skilled personnel. 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
specied for this instrument before connect-
ing 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 (only AC type).
(3) Operation
• Do not open the cover until the power has been
off for at least 10 minutes because of electric
shock and hot temperatures inside. Only expert
engineer or skilled personnel are permitted to
open the cover.
• When the RAMC owmeter is processing hot
uids, the instrument itself may become ex-
tremely hot. Take sufficient care not to get
burnt.
If the uid temperature is above 65°C it has to
be ensured, that an easy touch by humans is
prohibited (e.g. by installation, by a barrier, by a
warning).
WARNING
• Where the uid being processed is a toxic sub-
stance, avoid contact with the uid and avoid
inhaling any residual gas, even after the instru-
ment has been taken off the line for
maintenance and so forth.
(4) Maintenance
• Maintenance on the RAMC owmeter should be
performed by expert engineer or skilled person-
nel. 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. If these surfaces do get dirty, wipe
them clean with a soft dry cloth.
• Don’t open the cover in rainy weather
• Don’t open the cover during power is connected
because of electric shock.
• The electronic assembly contains sensitive
parts. Take care so as not to directly touch the
electronic parts or circuit patterns on the board,
and by preventing static electrication using
grounded wrist straps when handing the
assembly.
(5) European Pressure Equipment Directive
(PED)
• When using the instrument as a PED-compliant
product, be sure to read Chapter 11 before use.
(6) Hazardous Duty Type Instruments
• For explosion proof type instruments the
description in chapter 10 "EXPLOSION PRO-
TECTED TYPE INSTRUMENT" has priority to
the other descriptions in this instruction manual.
• All instruction manuals for ATEX Ex related
products are available in English, German and
French. Should you require Ex related instruc-
tions in your local language, you should contact
your nearest Yokogawa office or representative.
• Only trained personal should install and
maintain instruments in hazardous areas.

YOKOGAWA RAMC Specifications

General

Brand	YOKOGAWA
Model	RAMC
Category	Measuring Instruments
Language	English