Introduction - YOKOGAWA DO30G User Manual

Introduction

The DO30G Dissolved Oxygen Sensor bases its principle of measurement on the galvanic-cell
method. The sensor is specifically suited for continuous measurement of oxygen dissolved in
water.
Topics and information that need your special attention in handling the product are given in the
text of this manual along with cautionary notes, such as a warning or caution, depending on their
importance. Strictly observe these items from the standpoint of safety and prevention of equip-
ment damage. For a notation, such as a warning also indicated on the product, there is an alert
mark in the manual.
1. Confirming the Specifications
The standard specification DO30G dissolved oxygen sensor is used to build the dissolved oxy-
gen metering system.
The DO30G sensor cable has the prescribed length. The configuration of the crimp-on terminals
are either pin-type, M4 ring-type or fork-type.
Upon arrival of the purchased product, carefully unpack it and make sure the product is com-
pletely free from any damage that may have occurred during transport. Also check the model
code indicated on the nameplate attached to the sensor cable to make sure that you received the
correct sensor. For the meaning of the model code, refer to subsection 1.2.2 on page 1-3.
Note: The model and suffix code of the sensor with standard specifications is as follows.
DO30G-NN-50-
2. Information Covered by This Manual
This manual covers all of the information on handling the DO30G Dissolved Oxygen Sensor
(Style B), such as instructions on installation, inspection, and maintenance and service.
Note : When system components other than DO30G have to be mentioned, descriptions of the basic system assumes that the
DO402G Dissolved Oxygen Converter is used.
Refer to the instruction manual for information on the converter connecting holders with the
DO30G and how to connect sensor cables.
Note that the instruction manuals listed in the following table are for the associated equipment
used with the EXA
Manuals for Associated Equipment Used with the EXA
Model
FLXA402
DO402G
DO202
FLXA202/FLXA21
DO30G
PH8HG
PB350G
DOX8HS
PH8PU1
WTB10-DO
Note: Only the basic system of basic components are listed on the front panel.
Refer to respective instruction manual for information on recorders, annunciators and other instruments.
Media No. IM 12J5B3-01E
All Rights Reserved Copyright © 1996, Yokogawa Electric Corporation
- ( : User specified alphanumeric)
Dissolved Oxygen Metering System.
DO
Title of Manual
4-Wire Converter
Dissolved Oxygen Converter
2-wire Dissolved Oxygen Transmitter
2-wire Liquid Analyzer
Dissolvecl Oxygen Sensor
Guide Pipe
Angled Floating Ball Holder
Immersion Type Holder (Style B)
Cleaning Pump/Tank
Relay Terminal Box
6th Edition: Nov. 2018(YK)
Dissolved Oxygen Metering Syatem
DO
Manual No.
IM 12A01F01-02EN
IM 12A01F05-01EN, etc.
IM 12J05D02-01E
IM 12J05C01-01E
IM 12A01A02-01E
IM 12J5B3-01E
IM 12B7M2-01E
IM 19H1E1-01E
IM 19H1D2-01E
IM 19C1E1-01E
IM 12J05W02-01E
IM 12J5B3-01E
i
6th Edition : Nov.20,2018-00