Model DM-700
Model DM-700 iv
Table of Figures
Figure 1 Construction of Electrochemical Toxic Sensor...................................................................................... 1
Figure 2 Construction of Galvanic Cell................................................................................................................ 2
Figure 3 ITM Circuit Functional Block Diagram................................................................................................. 2
Figure 4 Sensor Assembly Front View ................................................................................................................ 3
Figure 5 Sensor Assembly Breakaway................................................................................................................. 3
Figure 6 Intelligent Plug-in Sensor....................................................................................................................... 4
Figure 7 ATEX Approval Label........................................................................................................................... 5
Figure 8 Outline and Mounting Dimensions (Sensor Assembly only)................................................................. 8
Figure 9 Outline and Mounting Dimensions (Stainless Steel Junction Box) ....................................................... 8
Figure 10 Outline and Mounting Dimensions (Aluminum Junction Box)........................................................... 9
Figure 11 Outline and Mounting Dimensions (Mini Stainless Steel Junction Box) ............................................ 9
Figure 12 Typical Installation ............................................................................................................................ 11
Figure 13 Sensor Wire Connections................................................................................................................... 12
Figure 14 Magnetic Programming Tool ............................................................................................................. 15
Figure 15 Magnetic Programming Switches ...................................................................................................... 15
Figure 16 DM-700 Software Flowchart ............................................................................................................. 17
Figure 17 Sensor Assembly................................................................................................................................ 31
Figure 18 Sensor Cell and ITM Mating ............................................................................................................. 32
Figure 19 Sensor Cell and ITM Mating ............................................................................................................. 34
List of Tables
Table 1 Wire Gauge vs. Distance ....................................................................................................................... 11
Table 2 Modbus™ Registers .............................................................................................................................. 29
Table 3 Modbus™ Special Registers ................................................................................................................. 30
Table 4 Sensor Specific Data ............................................................................................................................. 41
Table 5 Interfering Gasses.................................................................................................................................. 42
Table 6 Cross Interference Table pg.1 ............................................................................................................... 42
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