Yokogawa RAGN - Manual (Page 5)

<1. INTRODUCTION>
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IM 01R01B10-00E-E 2nd edition: November 01, 2011-00 All Rights Reserved. Copyright © 2011, Rota Yokogawa
1. Introduction
Before use, read this manual thoroughly and
familiarize yourself fully with the features,
operations and handling of Rotameter RAGN to
have the instrument deliver its full capabilities and
to ensure its efficient and correct use.
Notices Regarding This Manual
• This manual should be passed to the end user.
• The contents of this manual are subject to
change without prior notice.
• All rights reserved. No part of this document
may be reproduced or transmitted in any form or
by any means without the written permission of
Rota Yokogawa (hereinafter simply referred to as
Yokogawa).
• This manual neither does warrant the
marketability of this instrument nor it does
warrant that the instrument will suit a particular
purpose of the user.
• Every effort has been made to ensure accuracy
in the contents of this manual. However, should
any questions arise or errors come to your
attention, please contact your nearest Yokogawa
sales office that appears on the back of this
manual or the sales representative from which
you purchased the product.
• This manual is not intended for models with
custom specifications.
• Revisions may not always be made in this
manual in conjunction with changes in
specifications, constructions and/or components
if such changes are not deemed to interfere with
the instrument’s functionality or performance.
Notices Regarding Safety and Modification
• For the protection and safety of personnel, the
instrument and the system comprising the
instrument, be sure to follow the instructions on
safety described in this manual when handling
the product. If you handle the instrument in a
manner contrary to these instructions, Yokogawa
does not guarantee safety.
• If this instrument is used in a manner not
specified in this manual, the protection provided
by this instrument may be impaired.
• As for explosion proof model, if you yourself
repair or modify the instrument and then fail to
return it to its original form, the explosion
protected construction of the instrument will be
impaired, creating a hazardous condition. Be
sure to consult Yokogawa for repairs and
modifications.
The following safety symbols and cautionary
notes are used on the product and in this
manual:
This symbol is used to indicate that a hazardous
condition will result which, if not avoided, may
lead to loss of life or serious injury. This manual
describes how the operator should exercise care
to avoid such a risk.
.
This symbol is used to indicate that a hazardous
condition will result which, if not avoided, may
lead to minor injury or material damage. This
manual describes how the operator should
exercise care to avoid a risk of bodily injury or
damage to the instrument.
This symbol is used to call your attention to a
condition that must be observed in order to avoid
the risk of damage to the instrument or system
problems.
This symbol is used to call your attention to
information that should be referred to in order to
know the operations and functions of the
instrument.
For Safe Use of Rotameter RAGN
• If the process fluid is harmful to personnel,
handle Rotameter
RAGN carefully even after it
has been removed from the process line
for maintenance or other purposes. Exercise
extreme care to prevent the fluid from coming
into contact with human flesh and to avoid
inhaling any residual gas.
• In case of Explosion proof type instrument,
further requirements and differences are
described in Chapter 6 "EXPLOSION
PROTECTED TYPE INSTRUMENTS”. The
description in Chapter 6 is prior to other
descriptions in this instruction manual.
WARNING
CAUTION
IMPORTANT
NOTE
WARNING