User Manual

IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00

u Introduction

Thank you for purchasing the FLXA21 2-Wire Analyzer.

Please read the following respective documents before installing and using the FLXA21.

n 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ndmistakesoromissionsintheuser’smanuals,please

contact our sales representative or your local distributor.

n Drawing Conventions

Somedrawingsmaybepartiallyemphasized,simplied,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.

n Composition of this User’s Manual

ThemodelFLXA212-WireAnalyzeroffers4kindsofmeasurements–pH/ORP(oxidation-

reduction potential), contacting conductivity (SC), inductive conductivity (ISC) or dissolved

oxygen(DO)–witharespectivesensormodule.

TheFLXA21deliveredhasonespecickindofmeasurementdependingonyourorder.

Contenets pH/ORP

Contacting

conductivity (SC)

Inductive

conductivity (ISC)

Dissolved

oxygen (DO)

SENCOM

pH/ORP

Introduction and

general description

Section 1

Wiring and installation Section 2

Operation Section 3 Section 6 Section 9 Section 12 Section 15

Commissioning Section 4 Section 7 Section 10 Section 13 Section 16

Calibration Section 5 Section 8 Section 11 Section 14 Section 17

Maintenance Section 18

Troubleshooting Section 19

MediaNo.IM12A01A02-01E 5thEdition:Oct.2013(YK)