Vaisala DM500 - Manual (Page 8)

User's Guide ______________________________________________________________________
6 ___________________________________________________________________ M210205EN-D
Humid Air Volume/Dry Air Volume PPM
v
...........................132
Effect of Pressure on Dewpoint ..........................................132
Using a Condensation Hygrometer ....................................132
List of Figures
Figure 1 DMI500 User Interface Unit Front Panel ..................................15
Figure 2 DMP501 Dewpoint Sensing Unit Front Panel ..........................16
Figure 3 DMI500 User Interface Unit Back Panel...................................17
Figure 4 DMP501 Dewpoint Sensing Unit Back Panel...........................18
Figure 5 DM500 Operating Principle Illusrated.......................................21
Figure 6 RF-Signal Input/Output Illustrated ............................................22
Figure 7 Effect of Ambient Air Temperature on Lowest Achievable Stable
Sensor Temperature.................................................................27
Figure 8 Effect of Water Temperature on Lowest Achievable Stable
Sensor Temperature.................................................................28
Figure 9 Effect of Sample Flow Rate on Lowest Achievable Sensor
Temperature .............................................................................29
Figure 10 Effect of Sample Flow Rate on Dewpoint Measurement at -
60 ºC.........................................................................................29
Figure 11 Mechanical Dimensions (in mm) for Optional Temperature
Sensor ......................................................................................32
Figure 12 Standard 6 mm Swagelok Tube Fitting with the Elbow
Connector in the DMP501 Back Panel.....................................36
Figure 13 ¼" Swagelok Adapter Fitting Connected to the Standard
Swagelok 6 mm Connector ......................................................37
Figure 14 DMP501 Back Panel, Connectors for Sample Gas..................37
Figure 15 DMP501 Back Panel, Connectors for Cooling Liquid...............39
Figure 16 Main View Display ....................................................................45
Figure 17 DM500 Graphical Display.........................................................46
Figure 18 DM500 Menus and Displays.....................................................47
Figure 19 DMI500 User Interface Unit Information...................................51
Figure 20 DMP501 Dewpoint Sensing Unit Information ...........................51
Figure 21 DMI500 User Interface Unit Back Panel (Same as Figure 3)...73
Figure 22 Gas Flow Rate from the Humidity Generator ...........................82
Figure 23 Dewpoint Temperature Measurement Repeatability..............120
Figure 24 Dewpoint Temperature Measurement Response Time .........120
Figure 25 Partial Pressure of Water Vapor Over Water and Ice ............129
Figure 26 Water Vapor Saturation Curves..............................................130
List of Tables
Table 1 Manual Revisions .......................................................................7
Table 2 4-Wire Connection....................................................................74
Table 3 2-Wire Connection....................................................................74