<1. Introduction>
2
IM 01F07A01-02EN
1. INTRODUCTION
Thank you for purchasing a VY Series Vortex Flowmeter. This manual describes maintenance
procedures for VY Series Vortex Flowmeters. You can refer to the related manuals for this
instrument listed in Table 1.1 in the Vortex Flowmeter VY Series Installation Manual (IM
01F07A01-01EN). Manuals for each product can be downloaded from the Yokogawa website. Be
sure to read these manuals to ensure correct use of the products.
Website address:
https://www.yokogawa.com/library/
Regarding This Manual
• This manual should be provided to the end user.
• The contents of this manual may be changed without prior notice.
• All rights are reserved. No part of this manual may be reproduced in any form without
Yokogawa's written permission.
• Yokogawa makes no warranty of any kind with regard to this material, including, but not
limited to, implied warranties of merchantability and suitability for a particular purpose.
• All reasonable eort has been made to ensure the accuracy of the contents of this manual.
However, if any errors or omissions are found, please inform Yokogawa.
• The specications covered by this manual are limited to those for the standard type under
the specied model number break-down and do not cover custom-made instruments.
• Please note that this manual may not be revised for any specication changes,
construction changes or operating part changes that are not considered to aect function or
performance.
• Yokogawa assumes no responsibilities for this product except as stated in the warranty.
• If the customer or any third party is harmed by the use of this product, Yokogawa assumes
no responsibility for any such harm owing to any defects in the product which were not
predictable, or for any indirect damages.
SafetyandModicationPrecautions
• When handling this instrument, follow the safety precautions described in this document
for protection and safety of personnel, this instrument and systems that incorporate this
instrument. Yokogawa does not guarantee the safety of this instrument if the customer has
failed to comply with these precautions.
• Modication of the product in question without the authorization of Yokogawa is strictly
forbidden.
• When an explosion protected type instrument has been repaired or modied by the
customer and cannot be restored to its original condition, the explosion protective structure
of this instrument will be impaired and a hazardous condition will arise. Be sure to consult
Yokogawa regarding repairs and modications.