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IM 12E01B30-01EN
1st Edition : Mar. 30, 2021-00
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Notes on Handling User’s Manuals
• Please hand over the user’s manuals to your end users so that they can keep the user’s
manuals on hand for convenient reference.
• Please read the information thoroughly before using the product.
• The purpose of these user’s manuals is not to warrant that the product is well suited to any
particular purpose but rather to describe the functional details of the product.
• No part of the user’s manuals may be transferred or reproduced without prior written
consent from YOKOGAWA.
• YOKOGAWA reserves the right to make improvements in the user’s manuals and product at
any time, without notice or obligation.
• If you have any questions, or you find mistakes or omissions in the user’s manuals, please
contact our sales representative or your local distributor.
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Drawing Conventions
Some drawings may be partially emphasized, simplified, or omitted, for the convenience of
description.
Some screen images depicted in the user’s manual may have different display positions or
character types (e.g., the upper / lower case). Also note that some of the images contained in this
user’s manual are display examples.
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Trademark Acknowledgements
• FLEXA, FLXA and SENCOM are trademarks or registered trademarks of Yokogawa Electric
Corporation.
• All other company and product names mentioned in this user’s manual are trademarks or
registered trademarks of their respective companies.
• We do not use TM or ® mark to indicate those trademarks or registered trademarks in this
user’s manual.
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Product Disposal
The instrument should be disposed of in accordance with local and national legislation/regulations.
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Warranty and service
Yokogawa products and parts are guaranteed free from defects in workmanship and material
under normal use and service for a period of (typically) 12 months from the date of shipment from
the manufacturer.
Individual sales organizations can deviate from the typical warranty period, and the conditions of
sale relating to the original purchase order should be consulted. Damage caused by wear and
tear, inadequate maintenance, corrosion, or by the effects of chemical processes are excluded
from this warranty coverage.
In the event of warranty claim, the defective goods should be sent (freight paid) to the service
department of the relevant sales organization for repair or replacement (at Yokogawa discretion).
The following information must be included in the letter accompanying the returned goods:
• Part number, model code and serial number
• Original purchase order and date
• Length of time in service and a description of the process
• Description of the fault, and the circumstances of failure
• Process/environmental conditions that may be related to the failure of the device.
• A statement whether warranty or non-warranty service is requested
• Complete shipping and billing instructions for return of material, plus the name and phone
number of a contact person who can be reached for further information.
Returned goods that have been in contact with process fluids must be decontaminated/
disinfected before shipment. Goods should carry a certificate to this effect, for the health and
safety of our employees.
Material safety data sheets should also be included for all components of the processes to which
the equipment has been exposed.Read this User’s Manual before operating TB820D to make full
use of the function.
Throughout this user’s manual, you will find several different types of caution or warnings. Follow
the cautious message for safety precautions.