
DM-534C Oxygen Sensor Assembly
DM-534C O2 Sensor Instruction Manual iii
Table of Contents
1.0
DESCRIPTION........................................................................................................................................ 1
1.1 Sensor Technology............................................................................................................................... 1
1.2 Base Connector Board.......................................................................................................................... 2
1.3 Explosion Proof Enclosure................................................................................................................... 2
2.0 PRINCIPLE OF OPERATION.............................................................................................................. 3
3.0 APPLICATION ....................................................................................................................................... 3
3.1 Sensor Placement/Mounting................................................................................................................. 3
3.2 Interference Data .................................................................................................................................. 4
4.0 SPECIFICATIONS ................................................................................................................................. 4
5.0 OPERATING SOFTWARE ................................................................................................................... 4
5.1 Normal Operation................................................................................................................................. 5
5.2 Calibration Mode.................................................................................................................................. 5
5.3 Program Mode...................................................................................................................................... 5
5.3.1 Program Status............................................................................................................................. 5
5.3.2 Calibration Level Adjustment....................................................................................................... 5
6.0 INSTALLATION..................................................................................................................................... 5
6.1 Field Wiring Table (4-20 mA output) .................................................................................................. 5
6.2 Sensor Location.................................................................................................................................... 6
6.3 Local Electrical Codes.......................................................................................................................... 7
6.4 Accessibility......................................................................................................................................... 7
6.5 Installation Procedure........................................................................................................................... 7
6.6 Remote Mounting Applications ........................................................................................................... 8
7.0 START UP................................................................................................................................................ 9
8.0 CALIBRATION..................................................................................................................................... 10
8.1 Calibration Procedure - Span ............................................................................................................. 11
8.2 Additional Notes................................................................................................................................. 12
8.3 Calibration Frequency ........................................................................................................................ 12
8.4 Calibration Gas Level......................................................................................................................... 12
8.5 Status of Programming and Sensor Life............................................................................................. 13
8.6 Program Features................................................................................................................................ 13
8.7 Display Contrast Adjust ..................................................................................................................... 14
9.0 TROUBLE SHOOTING....................................................................................................................... 15
10.0 SPARE PARTS LIST............................................................................................................................ 16
11.0 WARRANTY ......................................................................................................................................... 17
12.0 SERVICE POLICY............................................................................................................................... 17
Appendix C ....................................................................................................................................................... 18
Revision History............................................................................................................................................. 18
Table of Figures
Figure 1 Construction of Galvanic Cell ............................................................................................................1
Figure 2 Microprocessor Control Circuit ..........................................................................................................1
Figure 3 Base connector board.......................................................................................................................... 2
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