DH Instruments VLPC Manuals

Manuals and User Guides for DH Instruments VLPC. We have 1 DH Instruments VLPC manual available for free PDF download: Operation And Maintenance Manual

DH Instruments VLPC Operation And Maintenance Manual

DH Instruments VLPC Operation And Maintenance Manual (166 pages)

Brand: DH Instruments | Category: Controller | Size: 3 MB

Table of Contents

Table of Contents
3
A B O U T T H I S M a N U al

11
1 I N T R O D U C T I on

13
- Overview
  13
2 . W a R R a N T y S T a T E M E N

13
10 . T R O U B L E S H O O T I N

17
- Figure 1. FPG8601 Terminal Front Panel
  17
1 . a P P E N D I

19
- Figure 3. FPG Platform Front View
  19
7 P I S T O N - C y L I N D E R M a I N T E N a N C

19
2 F P G T H E O R y O F O P E R a T I O

23
- Overview
  23
- Piston-Cylinder
  23
- Figure 6. Piston-Cylinder Lubricating Flow
  24
- Load Cell
  25
- Figure 7. Internal Calibration Mass Alignment
  25
- Lubrication Pressure
  26
- Vacuum Reference Pressure
  26
- Simplified Formula for Calculating Differential Pressure
  27
  - Reference Level
    28
- Corrections
  28
  - Δn1
    28
  - Δn2
    28
  - Δn3
    29
  - Figure 8. FPG Forces
    29
- Complete Differential Pressure Equation
  30
50 L P C T H E O R y O F O P E R a T I O

31
- Overview
  31
- Table 1. Nominal VLPC Ranges
  31
- Supply and Regulation
  32
- Flow Control
  32
- Figure 9. Gauge Mode VLPC Block Diagram
  32
- Figure 10. Absolute Mode VLPC Block Diagram
  32
- Range Restrictions
  33
- Control
  33
- Table 2. Nominal VLPC Ranges, 15 Kpa Unit
  33
- Ready/Not Ready
  34
- Figure 11. VLPC Ready Criterion
  34
4 G E T T I N G S T a R te

35
- Overview
  35
- Installing Fpg Tools
  35
- Figure 12. FPG8601 System Schematic
  35
- Setting up Fpg Tools
  36
- Basic Fpg Hardware Setup
  37
- Table 3. Equipment for Basic FPG Hardware Setup
  37
- Setting up the Piston-Cylinder
  38
- Connecting the Fpg Manifold and Valves
  38
- Figure 13. FPG8601 Manifold Connection
  39
- Setting up the Fpg for Operation
  40
- Setting up the Vlpc
  41
- Introducing Gas to the Fpg
  41
- Connecting a Dut
  42
  - Gauge Mode
    42
  - Absolute Mode
    42
  - Absolute Differential Mode
    43
- Connecting the Dut Manifold
  44
  - Setting up the Turbo Pump
    45
  - Connecting the Ion Gauge
    45
- Changing Lubrication Gas
  46
  - Purging the Lubricating Volume with a New Gas
    46
  - Purging the Test Port
    47
5 S y S T E M O P E R a T I O

49
- Overview
  49
- Zeroing the Fpg
  49
  - Zero Condition
    49
  - Stability Test
    50
  - Store Zero Data
    50
- Internal Calibration
  50
- Setting a Measurement Mode
  53
- Using a Dut with Fpg Tools
  53
- Zeroing the Dut Manifold
  54
- Changing Pressure with the Vlpc
  54
  - Setting 0 Pressure
    55
- Logging Data with the Fpg
  55
- Shutting down the Fpg
  56
6 F P G T O O L

57
- Overview
  57
- Main Menu
  58
- Main Display
  58
  - Figure 15. FPG Tools (Factory Mode)
    58
  - Figure 16. <Status Bar
    59
  - Figure 17. <Run Display
    59
  - Run Display
    59
  - Status Bar
    59
  - Table 5. <Run Display> Labels
    60
  - Figure 18. <Tare Display
    61
  - Table 6. <Tare Display> Labels
    61
  - Tare Display
    61
  - Custom Plots
    62
  - Figure 19. <Plot Data
    62
  - Plot Display
    62
  - Figure 20. <Custom Plot Properties
    63
  - Strip Charts
    63
  - Table 7. <Custom Plot Properties> Tab Fields
    63
  - Figure 21. <Logged Points> Display
    64
  - Logged Data
    64
  - Table 8. <Logged Points> Labels
    65
  - Vlpc Control
    66
  - Figure 22. <VLPC Interface
    67
  - Figure 23. <Select VLPC Range
    67
  - Table 9. <VLPC Interface> Options
    67
  - Figure 24. <Diagnostics Display
    68
  - Run Diagnostics
    68
  - Table 10. <Diagnostics Display> Options
    68
  - Dut Manifold
    71
  - Figure 25. Window Display Toolbar
    71
  - Table 11. <DUT Manifold> Color Scheme
    71
- Toolbars
  72
- Run]
  77
  - Run Mode Initialization
    77
  - Figure 27. Manual Valve Control Toolbar
    77
  - Run Monitor]
    78
  - Run W/Point Log]
    78
  - Run Test Sequence]
    78
- Config]
  80
- Test Sequence Editor
  96
- Dut Definition Editor
  103
- Units]
  114
  - User Defined Units]
    114
  - Figure 57. <User Defined Unit Setup
    114
  - Absolute Mode], [Gauge Mode]
    115
  - Gauge Mode]
    115
  - Absolute Mode]
    116
- Change User Level]
  116
- Tools]
  117
  - Remote Communications]
    117
- International Issues
  117
- Figure 58. <Remote Communications
  117
- Overview
  119
- Table 40. Piston-Cylinder Maintenance Equipment
  119
- Figure 59. FPG8601 Piston Assembly in Mounting Post
  120
- Removing the Piston-Cylinder from the Mounting Post
  121
- Figure 60. Removing the Mounting Post
  122
- Figure 61. Removing the Piston
  122
- Removing the Piston from the Cylinder
  123
- Cleaning the Piston and Cylinder
  124
- Putting the Piston into the Cylinder
  125
- Figure 62. Alignment of the FPG Piston in the Cylinder
  125
- Installing the Piston-Cylinder in the Mounting Post
  126
- Restoring Piston-Cylinder Lubrication and Mobility
  127
  - Overview
    127
  - Piston Centering and Lubricating Methods
    127
- Determining Effective Area
  129
8 General Ma Intenance

133
- Overview
  133
- Refilling the Bubbler on the Fpg
  133
- Table 43. Bubbler Maintenance Equipment
  133
- Zeroing the Vacuum Sensor
  134
  - Figure 64. FPG8601 Bubbling System
    134
  - Table 44. Vacuum Reference Zeroing Equipment List
    134
  - Set - up
    135
  - Test the Zero of the Vacuum Sensor
    135
  - Warm-Up
    135
- Calibrating the Internal Calibration Mass
  137
- Mounting Post Prt Calibration
  140
- Preparing for Storage / Shipment
  142
  - Fpg8601
    142
  - Vlpc
    142
  - 3-Dut Manifold
    143
9 Data Files

145
- Overview
  145
- Point Log Data File (*.Dat)
  145
  - Naming and Storing Data Files
    145
  - File Format
    145
- Internal Calibration Log File
  145
- System Zero Log File
  146
- Error Log File
  146
- Overview
  147
- Table 49. Troubleshooting Tips
  147
- 11. Appendix
  149
- Internal Valves
  149
- Figure 67. FPG Internal Valve Configuration
  149
- Table 50. Internal Valve Descriptions
  150
- Unit Conversions
  151
- Table 51. Unit Conversion Factors
  151
- Fpg8601 Pressure Calculations
  152
  - Compensated Pressures
    152
  - Differential Pressures
    152
  - Correction Terms
    152
  - Thermal Transpiration Correction
    153
  - Table 52. FPG Defined Pressure Calculation Variables
    154
  - Sample Calculations
    156
  - Gauge Pressure
    156
  - Absolute Pressure
    157
  - Absolute Differential Pressure
    158
  - Internal Calibration (Kcal)
    159
- Declaration of Conformity
  159
- Grounding / Electrical Schematics
  159
  - System Level Grounding
    160
  - Fpg Ground Diagram
    161
  - Vlpc Power Diagram
    162
  - Table 53. DHI Authorized Service Providers
    163
3 . G L O S S Ar

165

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