Yokogawa DO30G Dissolved Oxygen Sensor User Manual
Page 6
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
Specifications ....................................................................................................1-2
1.2.1
Standard Specifications .....................................................................1-2
1.2.2
Model and Suffix 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