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YOKOGAWA PH202G User Manual

YOKOGAWA PH202G
138 pages
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Users
Manual
Model PH202G [Style: S3], PH202S [Style: S3]
2-wire Type pH/ORP(Redox)
Transmitter
IM 12B07D02-01E
IM 12B07D02-01E
11th Edition

Table of Contents

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YOKOGAWA PH202G Specifications

General IconGeneral
BrandYOKOGAWA
ModelPH202G
CategoryTransmitter
LanguageEnglish

Summary

Preface and Safety Information

General Safety Warnings

DANGER, CAUTION, WARNING notes regarding electrical discharge, handling, and environment.

Notice and Disclaimer

Information on manual usage, changes, accuracy, and Yokogawa's responsibilities.

Introduction and General Description

Instrument Check and Application

Inspect instrument upon delivery and understand its intended use in industrial installations.

PH202 Specifications

General Specifications

Details input, output, serial communication, display, power supply, and load resistance.

Operating Specifications

Lists performance specs for pH, ORP, temperature, ambient operating temp, and housing.

Model and Suffix Codes

Explains how to interpret model and suffix codes for transmitter configuration.

Installation and Wiring

Installation Site and Mounting Methods

Guidelines for choosing a site and methods for mounting the EXA transmitter.

Cable and Terminal Connections

Details the types of cables, terminals, and glands used for connecting the PH202.

Sensor and Power Supply Wiring

Provides precautions and guidelines for wiring sensors and connecting the power supply.

Operation, Display Functions, and Setting

Operator Interface and Key Functions

Overview of the operator interface, access levels, and explanation of operating keys.

Display Functionality

Illustrates how different parameters (pH, ORP, rH, temperature, output) are displayed.

Parameter Setting

Maintenance Mode Operations

Outlines standard operations like automatic calibration, manual calibration, and impedance checks.

Commissioning Mode Setup

Explains how to configure output range, hold function, and access service settings.

User Interface and Communication Settings

Covers settings for auto-return, passcodes, error messages, and communication setup.

Calibration

Automatic Calibration Procedures

Step-by-step guide for automatic calibration using buffer solutions.

Manual and Sample Calibration

Step-by-step guides for manual and sample calibration, including ORP calibration.

Maintenance

Transmitter and Sensor Maintenance

Covers cleaning the transmitter, maintaining housing integrity, and sensor cleaning.

Troubleshooting

Diagnostics and Error Codes

Explains the analyzer's self-diagnostic functions and lists error codes with causes and remedies.

Impedance Check Procedures

Details on-line and off-line impedance checks for sensor diagnostics.

Spare Parts

Appendix

User Setting Table and Configuration Checklist

Summarizes settings and provides a checklist for PH202G configuration.

Sensor Compatibility Setup

Guidance on selecting appropriate sensors, temperature sensors, and calibration methods.

Appendix 2

Wiring Diagrams and Sensor Connections

Illustrates wiring for different systems and sensor connection procedures.

ORP Calibration Procedures

Details on checking ORP electrodes and performing ORP calibration.

Appendix 3 Quality Inspection

Insulation Resistance and Dielectric Strength Tests

Specifies procedures and standards for insulation resistance and dielectric strength tests.

Output, Temperature, pH, and ORP Indication Checks

Outlines procedures for checking current output, temperature, pH, and ORP indications.