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IM 12A01F01-03EN 2nd Edition : Feb. 19, 2019-00
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Notes on Handling User’s Manuals
• Please provide the user’s manuals to your end users so that they can keep the user’s
manuals 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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Composition of this User’s Manual
FLXA402, a modular-designed converter, is a multi- parameter instrument offering a wide
range of measurement choices; such as: pH/ORP (oxidation-reduction potential), Resistivity/
Conductivity (SC), Inductive conductivity (ISC), Dissolved Oxygen (DO) – with the respective
sensor module.
This user’s manual contains general description and precautions of the instrument.
The table below shows user’s manuals to read concerning the instrument’s operation,
configuration, or calibration, which vary depending on its installation, wiring, and specification of
each instrument.
Contents
pH/ORP
SENCOM
TM
SA
Contacting
conductivity (SC)
Inductive
conductivity (ISC)
Dissolved oxygen
(DO)
Introduction and
general description
Wiring and installation
Converter operation
(Setting, Calibration)
Maintenance,
Troubleshooting
This manual)
Sensor operation
(Setting, Calibration)
IM 12A01F02-01EN IM 12A01F03-01EN IM 12A01F04-01EN IM 12A01F05-01EN
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Trademark Acknowledgements
• FLEXA, FLXA, SENCOM and FieldMate 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.
