Owner manual

IM 12J5B3-01E
Dissolved Oxygen Metering System
Model DO30G
Dissolved Oxygen Sensor
4th Edition : Apr 05,2011
CONTENTS
Introduction ..............................................................................................................i
u For the safe use of this equipment
...................................................................ii
u After-sales Warranty
.........................................................................................iii
1. General ...................................................................................................... 1-1
1.1 Features ............................................................................................................ 1-1
1.2 Specications
.................................................................................................... 1-2
1.2.1 Standard Specications .....................................................................1-2
1.2.2 Model and Sufx Codes .....................................................................1-3
1.2.3 External View and Dimensions ..........................................................1-4
2. Components and Their Functions .......................................................... 2-1
3. Installing the Sensor and Connecting the Cable .................................. 3-1
3.1 PreparingforInstallation ................................................................................. 3-1
3.1.1 Removal of Parts for Transportation and Storage ............................3-1
3.1.2 Inspecting the Permeable Membrane ............................................... 3-1
3.2 Installation .........................................................................................................3-2
3.2.1 Selecting the Measurement Point ......................................................3-2
3.2.2 Selecting the Sensor Holder .............................................................. 3-2
3.2.3 Asembling the Sensor in the Holder .................................................. 3-4
3.3 Connecting the Sensor Cable .......................................................................... 3-4
4. Maintenance .............................................................................................. 4-1
4.1 Routine Inspection ............................................................................................4-1
4.1.1 Inspecting the Permeable Membrane (Degree of Contamination) ... 4-1
4.1.2 Checking of Membrane Assembly Locknut .......................................4-1
4.2 Inspection If Failure Occurs .............................................................................4-2
4.2.1 Inspecting the Permeable-membrane Assembly (for Damage) ........4-2
4.2.2 Checking of RTD in the Sensor ......................................................... 4-4
4.2.3 Judgment of Lead Electrode Fault .....................................................4-4
4.3 Expendables,SparePartsandMaintenanceParts .......................................4-4
4.3.1 DOX8A Maintenance Parts (Expendables) Kit ..................................4-4
4.3.2 Parts That Should Be Kept on Hand .................................................. 4-5
Appendix1"HowtoRemovetheDO30GMembraneProtectiveCap" ................................... A-1
CustomerMaintenancePartsList(DO30G) ................................................................... CMPL12J5B3-01E
CustomerMaintenancePartsList(DOX8A) ..............................................................CMPL12J05B03-12E
Revision Record ............................................................................................................................................... i
IM12J5B3-01E4thEdition