YOKOGAWA DO30G, User Manual

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i
IM 12J5B3-01E
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- - ( : User specified alphanumeric)
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
DO
Dissolved Oxygen Metering System.
Manuals for Associated Equipment Used with the EXA
DO
Dissolved Oxygen Metering Syatem
Model Title of Manual Manual No.
FLXA402 4-Wire Converter
IM 12A01F01-02EN
IM 12A01F05-01EN, etc.
DO402G Dissolved Oxygen Converter IM 12J05D02-01E
DO202
2-wire Dissolved Oxygen Transmitter
IM 12J05C01-01E
FLXA202/FLXA21 2-wire Liquid Analyzer IM 12A01A02-01E
DO30G Dissolvecl Oxygen Sensor IM 12J5B3-01E
PH8HG Guide Pipe IM 12B7M2-01E
PB350G Angled Floating Ball Holder IM 19H1E1-01E
DOX8HS Immersion Type Holder (Style B) IM 19H1D2-01E
PH8PU1 Cleaning Pump/Tank IM 19C1E1-01E
WTB10-DO Relay Terminal Box IM 12J05W02-01E
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.
6th Edition : Nov.20,2018-00 Media No. IM 12J5B3-01E 6th Edition: Nov. 2018(YK)
All Rights Reserved Copyright © 1996, Yokogawa Electric Corporation