Vaisala Drycap DMT142, Руководство пользователя

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VAISALA_________________________________________________________________________ 3
List of Figures
Figure 1 Dewpoint Transmitter DMT142 Components............................. 4
Figure 2 Mounting Dewpoint Transmitter DMT142 .................................. 8
Figure 3 Wiring of Voltage Output Version ............................................... 9
Figure 4 Wiring of Current Output Version ............................................... 9
Figure 5 Pin Order of DMT142 Connector (Transmitter Side) ............... 10
Figure 6 Snap-On Type Cable................................................................ 11
Figure 7 Screw Fitting Type Cable ......................................................... 11
Figure 8 Example Of Sensor Purge Current (at Room Temperature with
24 VDC).................................................................................... 12
Figure 9 Example of Auto-Calibration Current (at Room Temperature
with 24 VDC) ............................................................................ 12
Figure 10 DMT142 Installed Directly to Pipeline ...................................... 13
Figure 11 DMT242SC Sampling Cell ....................................................... 14
Figure 12 DMT242SC2 Sampling Cell with Swagelok Connectors.......... 15
Figure 13 DSC74 Sampling Cell with Accessories................................... 16
Figure 14 DSC74B.................................................................................... 17
Figure 15 Removing the Leak Screw ....................................................... 17
Figure 16 Default Assembly of DSC74C .................................................. 18
Figure 17 Alternative Assembly of DSC74C (for Tight Spaces)............... 19
Figure 18 DM240FA with DMT142 ........................................................... 20
Figure 19 DMT142 Dewpoint Measurement Accuracy Graph ................. 34
Figure 20 DMT142 Dimensions................................................................ 37
List of Tables
Table 1 Manual Revisions ....................................................................... 6
Table 2 Related Manuals ........................................................................ 6
Table 3 Wiring Table ............................................................................... 9
Table 4 Description of DMT142 Connection Cable............................... 10
Table 5 DMT142 Serial Interface Setting .............................................. 21
Table 6 Pressure Conversion Coefficients ............................................ 24
Table 7 Measured Variable ................................................................... 33
Table 8 Operating Environment Specifications ..................................... 34
Table 9 Output Specifications ............................................................... 34
Table 10 General Specifications ............................................................. 35