Varian 979 Series Manuals

Manuals and User Guides for Varian 979 Series. We have 1 Varian 979 Series manual available for free PDF download: Operation Manual

Varian 979 Series Operation Manual

Varian 979 Series Operation Manual (140 pages)

Helium Mass Spectrometer Leak Detector

Brand: Varian | Category: Security Sensors | Size: 1 MB

Table of Contents

Warranty
3
Declaration of Conformity
13
Preface
14
- Hazard and Safety Information
  14
  - Solvents
    15
  - Equipment, General
    16
  - Power and Static
    17
  - Vacuum Equipment and Cleanliness
    19
  - O-Ring Care
    20
  - Spectrometer Tube
    21
  - Gross Leak Option
    21
  - Pumps
    21
- Vacuum Technologies Services
  22
- Contacting Vacuum Technologies
  22
Bench Mount Unit
23
Section 1. Introduction to the Model 979 Series
23
- The Model 979
  23
  - Model 979 Series Configurations
    23
Single, Oil-Sealed Mechanical Pump Configuration on Two-Wheel Cart
24
Single, Dry Mechanical Pump Configuration on Two-Wheel Cart
25
Single, Dry Mechanical Pump Configuration on Four-Wheel Cart
26
Dual, Oil-Sealed Mechanical Pump Configuration on Four-Wheel Cart
27
Dual, Dry Mechanical Pump Configuration on Four-Wheel Cart
28
- Unpacking the 979
  29
- Services Required for Operation
  31
  - Power
    31
  - Helium
    32
  - Recommended Additional Services
    32
- Preparation for Operation
  32
- Installation
  33
  - Bench System Installations
    33
Bench System Installation
33
- Storage
  34
- Front Panel Displays and Controls
  34
- Rear Panel Controls
  36
  - System Control and Communication Panel
    36
  - Power Control and Circuit Breakers
    37
- Universal Remote Option
  39
- Specifications
  40
Series Specifications
40
Section 2. Operating the 979 Leak Detector
43
- Initial Startup and Shutdown
  43
  - Startup
    43
  - Calibration
    43
  - Shutdown
    43
- Operator Interface
  44
Front Panel
44
- Sniffer Set-Up Procedure
  47
- Key Switch
  47
Sniffer Mode Sensitivity Range (Full Scale)
47
- Touch Panel Menus
  48
  - Contrast Adjustment of the Touch Panel Display
    48
  - Changing Variables in Touch Panel Screens
    48
Touch Panel Home Screen
48
- Selecting Options in Touch Panel Screens
  49
- Touch Panel Home Screen
  50
  - Digital Leak Rate
    50
Leak Rate Displayed on Home Screen: 0.6E-09 Atm CC/Sec
50
Bar Graph Display: 0.6 X
50
Atm CC/Sec
50
- Test Port Pressure
  51
- Leak Detector Status
  51
- Leak Detector Condition
  51
- Reject Status Indicator
  51
- SYS INFO and MENUS Touch Screen Boxes
  51
Operating States
52
Condition States
52
- System Information Screen
  54
System Information Screen Conditions
54
- First Menu Selection Screen
  56
  - Calibrated Leak Set-Up
    56
Calibrated Leak Set-Up Screen
56
Reject and Audio Set Points Screen
58
- Auto Sequencer Set-Up
  59
Auto Sequencer Set-Up Screen
59
- Auto Sequencer Set-Up Controls
  60
- Rough Pump Set-Up
  61
  - Selecting Rough Only or Split Flow Mode
    61
Rough Pump Set-Up Screen
61
Leak Rate Ranging Set-Up Screen
62
Standard Sensitivity Leak Detector
65
High Sensitivity Leak Detector
65
- Output Control Set-Up
  66
  - Leak Rate Analog Output Voltage Selection
    66
  - Bargraph Display Set-Up
    66
Output Control Set-Up Screen
66
Leak Detector Logarithmic Output Voltage
67
Leak Detector Linear Output Voltage
67
- Serial Communications Protocol Set-Up
  68
- Transfer Pressure Set-Up
  68
Transfer Pressure Set-Up Screen
68
- NEXT and BACK Boxes
  69
- Second Menu Selection Screen
  70
  - Units Set-Up
    70
    
    Leak Rate and Test Port Pressure Units Selection
    70
Second Menu Screen
70
Units Set-Up Screen
70
Section 3. Service
71
- Version
  71
Second Menu Screen
71
Version Screen
71
Service Menu Screen
72
- Manual Zeroing and Calibrate
  73
  - Auto-Zero < 0
    73
Manual Zeroing and Cal Screen
73
- Gain
  74
- Offset
  74
- Manual Spectube Tuning
  74
Manual Spectube Tuning Screen
74
- Changing Manual Tuning Parameters
  75
- Repeller
  75
- Emission Current
  75
- Ion Voltage
  76
- Variable Focus Voltage
  76
- Suppressor Voltage
  76
- Fixed Focus Voltage
  76
- Filament Selection
  76
- Manual Valve Control
  77
Valve State Table - Single Mechanical Pump System
77
Manual Valve Control Screen
77
Valve State Table - Dual Mechanical Pump System
78
- System Initialize Set-Up
  79
- Gauge Calibration Procedures
  79
Vacuum System Diagram
78
System Initialize Set-Up Screen
79
Gauge Calibration Screen
79
- System Pressure Gauge Calibration Procedure
  80
  - Vacuum (Low Pressure) Calibration
    80
Touch Panel Home Screen
80
- Atmospheric Calibration
  81
- Test Port Pressure Gauge Calibration Procedure
  81
  - Vacuum (Low Pressure) Calibration
    82
  - Atmospheric Calibration
    82
Section 4. Maintenance
83
Scheduled Maintenance
85
As-Required Maintenance
85
Tools and Parts Required for Spectrometer Tube Overhaul
87
Front Panel
88
Removing the Connectors
89
Quick Clamp
89
Front View of the Spectrometer Tube Assembly
89
Wing Nut
90
Magnet Body Bracket Screws
91
Magnet Assembly Slotted Screws
92
Tuning Magnet Set Screws
92
- Removing the Button TC
  93
Button TC Assembly
93
Button TC Wires (View with Header On)
94
- Removing the Ion Source
  95
The Ion Source
96
Ion Source Cavity
96
- Removing the Preamplifier
  97
Ground Slit Plate
97
- Remove the Magnetic Poles
  98
Magnetic Pole Piece
98
Removing the O-Ring from Magnetic Pole Piece
98
- Examining and Cleaning the Spectrometer Parts
  99
Removing the Second Magnetic Pole Piece
99
Discolored Ground Slit Plate
99
Discolored Ground Magnet Pole Piece
100
Vacusolv Cleaning Wipe
100
- Reassembly
  101
Inspecting the O-Ring
101
Spectrometer Tube Reassembly
101
- Ion Source Replacement Outside of Annual Maintenance
  102
  - Reassembly
    103
- Mechanical Pump
  104
  - Oil-Sealed Pump Fluid Change
    104
  - Triscroll Pump Tip Seal Replacement
    104
- Spare Parts List
  104
Spare Parts
104
- Accessory Item List
  106
Appendix A. Rear Panel Interface Connectors
107
- Optically Isolated Outputs
  107
System Control and Communication Panel
107
Summary Table of Optically Isolated Outputs
108
- Optically Isolated Inputs
  109
Optically Isolated Output Circuit Sketch
108
Summary Table of Optically Isolated Inputs
109
- Non-Isolated Serial and Analog Interfaces
  110
Optically Isolated Input Circuit Sketch
109
Summary Table of Non-Isolated I/O
110
- Remote Control Connector
  111
Summary Table of Non-Isolated Serial and Power
111
Appendix B. Communications Protocol
113
- Protocol
  113
- Communicating with
  114
  - Windows Hyperterminal Set-Up Instructions
    114
  - Printing with Hyperterminal
    116
Internal Operating Parameters
117
Non-Volatile Operating Parameters
119
Spectrometer Operating Parameters
121
Leak Detection Actions
121
Appendix C. Introduction to Leak Detection
123
- Leak Testing-Why Is It Needed
  123
- Classes of Leak Detection
  123
- Terminology
  124
Decimal Notation
124
Determine Overall Leak Rate
128
Test Piece Pressurized: Detector Probe Used to Locate Leak
128
Test Piece Already Sealed (Figure
129
Test Piece Sealed with Helium or Mixture of Helium and Other Gases: Bell Jar Used to Determine Overall Leak Rate
129
- Mass Spectrometer Leak Detector-Simplified Description
  130
C.7 Mass Spectrometer Leak Detector—Simplified Description
130
Mass Spectrometer Leak Detector
130
Magnetic Separation Principle
131
Index
133

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