Agilent Technologies 7890 Series Manuals

Manuals and User Guides for Agilent Technologies 7890 Series. We have 4 Agilent Technologies 7890 Series manuals available for free PDF download: Advanced Operation Manual, Troubleshooting Manual, Installation Checklist, Quick Reference Manual

Agilent Technologies 7890 Series Advanced Operation Manual (246 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Laboratory Equipment | Size: 4 MB

Table of Contents

3
1 Programming

11
- Programming
  12
  - Run Time Programming
    12
    
    Using Run Time Events
    12
    
    Adding Events to the Run Table
    13
    
    Programming Run Time Events
    13
    
    The Run Table
    13
    
    Deleting Run Time Events
    14
    
    Editing Events in the Run Table
    14
  - Clock Time Programming
    15
    
    Programming Clock Time Events
    15
    
    Using Clock Time Events
    15
    
    Adding Events to the Clock Table
    16
    
    Deleting Clock Time Events
    16
    
    Editing Clock Time Events
    16
  - User-Key Programming
    17
    
    To Erase the Stored Keystrokes
    17
    
    To Play Back (Execute) the Stored Keystrokes
    17
    
    To Program a User Key
    17
  - Post Run Programming
    18
    
    To Disable a Post Run Program
    18
    
    To Enable a Post Run Program
    18
2 Flow and Pressure Modules

19
- About Flow and Pressure Control
  20
  - Maximum Operating Pressure
    20
  - Pids
    21
- Inlet Modules
  22
- Detector Modules
  23
- Pressure Control Modules
  24
- Auxiliary Pressure Controllers
  27
- Restrictors
  28
- Examples
  30
  - Using an aux EPC Channel to Supply Purge Gas to a Splitter
    30
  - Using the PCM Channels
    30
3 Inlets

33
4 Columns and Oven

145
- Columns and Oven
  
  146
  - About the Oven
    146
    
    Oven Safety
    146
  - Configuring the Oven
    147
  - Cryogenic Operation
    148
    
    Cryogenic Setpoints
    148
  - About Oven Temperature Programming
    150
    
    Programming Setpoints
    150
    
    Oven Ramp Rates
    151
    
    Setting the Oven Parameters for Constant Temperature
    152
    
    Setting the Oven Parameters for Ramped Temperature
    152
  - About the Oven Insert
    154
  - About Columns
    155
    
    About the Column Modes
    155
    
    Selecting the Correct Packed Glass Column Type
    155
    
    Select a Column Mode
    156
    
    Enter a Flow or Pressure Program (Optional)
    157
    
    Setting the Column Parameters for Constant Flow or Constant Pressure
    157
    
    Programming Column Pressure or Flow
    158
  - Backflushing a Column
    159
    
    Backflushing Using a Capillary Flow Technology Device
    160
    
    Backflushing When Connected to an MSD
    160
  - Nickel Catalyst Tube
    165
    
    About the Nickel Catalyst Tube
    165
    
    Nickel Catalyst Gas Flows
    165
    
    Setting Temperatures for the Nickel Catalyst Tube
    166
- Detectors
  
  167
  - About Makeup Gas
    168
  - About the FID
    169
    
    How FID Units Are Displayed in Agilent Data Systems and on the GC
    170
    
    FID Automatic Reignition (Lit Offset)
    171
    
    To Extinguish the FID Flame
    171
    
    To Light the FID Flame
    171
    
    Recommended Starting Conditions for New FID Methods
    172
    
    Setting Parameters for FID
    173
  - About the TCD
    174
    
    TCD Carrier, Reference, and Makeup Gas
    176
    
    TCD Pneumatics
    176
    
    TCD Gas Pressures
    177
    
    Chemically Active Compounds Reduce TCD Filament Life
    178
    
    Selecting Reference and Makeup Flows for the TCD
    178
    
    Changing the TCD Polarity During a Run
    179
    
    Detecting Hydrogen with the TCD Using Helium Carrier Gas
    179
    
    Setting Parameters for the TCD
    180
  - About the Uecd
    182
    
    Uecd Safety and Regulatory Information
    182
    
    Uecd Warnings
    183
    
    Safety Precautions When Handling Uecds
    184
    
    Uecd Detector Gas
    185
    
    Uecd Gas Flows
    185
    
    Uecd Linearity
    185
    
    Uecd Temperature
    185
    
    Recommended Starting Conditions for New Uecd Methods
    186
    
    Uecd Analog Output
    186
    
    Uecd Makeup Gas Notes
    186
    
    Setting Parameters for the Uecd
    187
    
    Uecd Temperature Programming
    187
  - About the NPD
    188
    
    New NPD Features and Changes
    188
    
    NPD Flows and General Information
    188
    
    NPD Software Requirements
    188
    
    NPD Flow, Temperature, and Bead Recommendations
    189
    
    NPD Required Gas Purity
    191
    
    Setting Parameters for the NPD
    192
    
    Selecting an NPD Bead Type
    193
    
    Changing from a Ceramic Bead to a Blos Bead
    194
    
    Selecting an NPD Jet
    194
    
    To Configure the NPD
    195
    
    Automatically Adjusting NPD Bead Voltage
    196
    
    Aborting NPD Adjust Offset
    197
    
    Extending the NPD Bead Life
    197
    
    Setting NPD Adjust Offset on the Clock Table
    197
    
    Setting the Initial Bead Voltage for New Beads
    198
    
    Setting NPD Bead Voltage Manually (Optional)
    199
  - About the FPD
    200
    
    FPD + Linearity
    201
    
    FPD + Lit Offset
    201
    
    FPD + Optical Filters
    201
    
    FPD + Photomultiplier Protection
    201
    
    Inlet Liners for Use with the FPD
    201
    
    FPD + Gas Flows
    202
    
    FPD + Gas Purity
    202
    
    FPD + Temperature Considerations
    202
    
    Lighting the FPD + Flame
    203
    
    Setting Parameters for the FPD
    204
  - About the FPD
    206
    
    FPD Linearity
    207
    
    FPD Lit Offset
    207
    
    FPD Optical Filters
    207
    
    FPD Photomultiplier Protection
    207
    
    Starting up and Shutting down the FPD
    207
    
    FPD Gas Flows
    208
    
    FPD Gas Purity
    208
    
    FPD Temperature Considerations
    208
    
    Inlet Liners for Use with the FPD
    208
    
    Lighting the FPD Flame
    209
    
    Setting Parameters for the FPD
    210
6 Valves

213
- About Valves
  214
- The Valve Box
  215
  - Heating the Valves
    215
  - Valve Temperature Programming
    216
  - Configuring an aux Thermal Zone
    216
- Valve Control
  217
  - The Valve Drivers
    217
  - The Internal Valve Drivers
    217
  - The External Valve Drivers
    218
- Valve Types
  219
- Configuring a Valve
  220
- Controlling a Valve
  221
  - From the Keyboard
    221
  - From the Run or Clock Time Tables
    221
  - Simple Valve: Column Selection
    221
  - Gas Sampling Valve
    222
  - Multiposition Stream Selection Valve with Sampling Valve
    223
7 Gc Output Signals

225
- About Signals
  226
- Signal Types
  227
  - Value
    227
- Analog Signals
  229
  - Analog Zero
    229
  - Analog Range
    229
  - Analog Data Rates
    230
  - Selecting Fast Peaks (Analog Output)
    231
- Digital Signals
  232
  - Digital Zero
    232
  - Signal Freeze and Resume
    232
  - Data Rates with Agilent Data Systems
    233
- Zero Init Data Files
  235
- Column Compensation
  236
- Test Plot
  239
  - Auxiliary Devices
    242
  - About Auxiliary Pressure Control
    242
  - About aux Thermal Zone Control
    243
  - About Cryo Trap Control
    243
  - About Auxiliary Device Contacts
    244
  - About the 24V Auxiliary Device Power Supply
    244
  - About Auxiliary Columns
    244
  - About Auxiliary Detectors
    245

Agilent Technologies 7890 Series Troubleshooting Manual (208 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Laboratory Equipment | Size: 5.34 MB

Agilent Technologies 7890 Series Installation Checklist (8 pages)

Brand: Agilent Technologies | Category: Measuring Instruments | Size: 0.15 MB

Agilent Technologies 7890 Series Quick Reference Manual (4 pages)

GC Heated Zones

Brand: Agilent Technologies | Category: Laboratory Equipment | Size: 0.46 MB

Agilent Technologies Categories

Measuring Instruments Laboratory Equipment Test Equipment Water Pump

Power Supply

More Agilent Technologies Manuals

Agilent Technologies 7890 Series Manuals

Agilent Technologies 7890 Series Advanced Operation Manual (246 pages)

Table of Contents

Table of Contents

1 Programming

2 Flow and Pressure Modules

3 Inlets

4 Columns and Oven

Columns and Oven

Detectors

6 Valves

7 Gc Output Signals

Agilent Technologies 7890 Series Troubleshooting Manual (208 pages)

Table of Contents

1 Concepts and General Tasks

2 ALS and Detector Symptoms

3 Chromatographic Symptoms

4 GC Not Ready Symptoms

5 Shutdown Symptoms

6 GC Power on and Communication Symptoms

7 Checking for Leaks

8 Troubleshooting Tasks

Agilent Technologies 7890 Series Installation Checklist (8 pages)

Agilent Technologies 7890 Series Quick Reference Manual (4 pages)

Related Products

Agilent Technologies Categories