YOKOGAWA WE410, WE420, WE430, WE440 Startup Manual
User ’s
Manual
WE410, WE420, WE430, WE440
WET CHEMISTRY ANALYZER
Safety Precautions and Protection of Environment
IM 12Y18A00-01EN
This Start-up Manual explains mainly the installation and wiring of WE410,
WE420, WE430 and WE440.
For detailed information and other information, the User’s Manual of
WE410, WE420, WE430 and WE440 should be referred to.
IM 12Y18A00-01EN
1st Edition
u Introduction
Thank you for purchasing WE410, WE420, WE430 and WE440 WET CHEMISTRY ANALYZER.
This Instructor’s Manual contains all essential information for the user to make full use of WE410,
WE420, WE430 and WE440.
Please read the following respective documents before installing and using WE410, WE420,
WE430 and WE440.
The related documents are listed as follows.
General Specications
Contents Document number Note
Model WE410 Silica Analyzer GS 12Y18A01-01EN Online
Model WE420 Sodium Analyzer GS 12Y18A02-01EN Online
Model WE430 Hydrazine Analyzer GS 12Y18A03-01EN Online
Model WE440 Phosphate Analyzer GS 12Y18A04-01EN Online
“EN” in the document number is the language code.
User’s Manual
Contents Document number Note
WE410, WE420, WE430, WE440
WET CHEMISTRY ANALYZER
Safety Precations and Protection of Environment
IM 12Y18A00-01EN
1
Attached to the product
(printed manual) (This manual)
Model WE410 Silica Analyzer IM 12Y18A01-01EN Online manual
Model WE420 Sodium Analyzer IM 12Y18A02-01EN Online manual
Model WE430 Hydrazine Analyzer IM 12Y18A03-01EN Online manual
Model WE440 Phosphate Analyzer IM 12Y18A04-01EN Online manual
“EN” in the document number is the language code.
An exclusive User’s Manual might be attached to the products whose sux codes or option
codes contain the code “Z” (made to customers’ specications). Please read it along with this
manual.
You can download the latest documents from our website. Scan QR code.
https://www.yokogawa.com/an/wet-chemistry-analyzers/download/
n Drawing Conventions
Some drawings may be partially emphasized, simplied, or omitted, for the convenience of
description.
Some screen images depicted in the user’s manual may have dierent 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.
No. IM 12Y18A00-01EN 1st Edition : Jul. 2019 (YK)
All Rights Reserved Copyright © 2019, Yokogawa Electric Corporation
IM 12Y18A00-01EN 1st Edition : Jul. 16, 2019-00
n 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 nd mistakes or omissions in the user’s manuals, please
contact our sales representative or your local distributor.
n Trademark Acknowledgments
• 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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n Product Disposal
The instrument should be disposed of in accordance with local and national legislation/
regulations.
n 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 eects of chemical processes are excluded
from this warranty coverage.
Warranty claims should be contact service department of the relevant sales organization for
replacement (at Yokogawa discretion). The following information must be included.
• 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
• The name and phone number of a contact person who can be reached for further
information.
IM 12Y18A00-01EN 1st Edition : Jul. 16, 2019-00
u Safety Precautions
WARNING
Installation and wiring
WE410, WE420, WE430 and WE440 should only be used with equipment that meets the
relevant IEC, American or Canadian standards.
Yokogawa accepts no responsibility for the misuse of this unit.
Do not use an abrasive or organic solvent in cleaning the instrument.
Electrostatic discharge
WE410, WE420, WE430 and WE440 contain devices that can be damaged by electrostatic
discharge. When servicing this equipment, please observe proper procedures to prevent such
damage. Replacement components should be shipped in conductive packaging. Repair work
should be done at grounded workstations using grounded soldering irons and wrist straps to
avoid electrostatic discharge.
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CAUTION
The Instrument is packed carefully with shock absorbing materials, nevertheless, the instrument
may be damaged or broken if subjected to strong shock, such as if the instrument is dropped.
Handle with care.
This instrument is a Class A product, and it is designed for use in the industrial environment.
Please use this instrument in the industrial environment only.
n Safety, Protection, and Modication of the Product
• In order to protect the system controlled by the product and the product itself and ensure
safe operation, observe the safety precautions described in this user’s manual. We assume
no liability for safety if users fail to observe these instructions when operating the product.
• If this instrument is used in a manner not specied in this user’s manual, the protection
provided by this instrument may be impaired.
• If any protection or safety circuit is required for the system controlled by the product or for
the product itself, prepare it separately.
• Be sure to use the spare parts approved by Yokogawa Electric Corporation (hereafter
simply referred to as YOKOGAWA) when replacing parts or consumables.
• Modication of the product is strictly prohibited.
• The following safety symbols are used on the product as well as in this manual.
WARNING
This symbol indicates that an operator must follow the instructions laid out in this manual in order
to avoid the risks, for the human body, of injury, electric shock, or fatalities. The manual describes
what special care the operator must take to avoid such risks.
IM 12Y18A00-01EN 1st Edition : Jul. 16, 2019-00
CAUTION
This symbol indicates that the operator must refer to the instructions in this manual in order to
prevent the instrument (hardware) or software from being damaged, or a system failure from
occurring.
CAUTION
This symbol gives information essential for understanding the operations and functions.
NOTE
This symbol indicates information that complements the present topic.
This symbol indicates Protective Ground Terminal.
n Warning and Disclaimer
The product is provided on an “as is” basis. YOKOGAWA shall have neither liability nor
responsibility to any person or entity with respect to any direct or indirect loss or damage arising
from using the product or any defect of the product that YOKOGAWA can not predict in advance.
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IM 12Y18A00-01EN 1st Edition : Jul. 16, 2019-00
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