Agilent Technologies 7820A Manuals

Agilent Technologies 7820A Manuals

Manuals and User Guides for Agilent Technologies 7820A. We have 7 Agilent Technologies 7820A manuals available for free PDF download: Service Manual, Manual, Advanced User's Manual, Operating Manual, Installation Manual, Quick Start Manual, Safety Manual

Agilent Technologies 7820A Service Manual

Agilent Technologies 7820A Service Manual (397 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Laboratory Equipment | Size: 10.46 MB

Table of Contents

Notices

2
- Table of Contents
  3
1 Before Servicing the Instrument

13
Safety

14
Hand Tools

14
Specialized Tools

15
Electronic Tools

17
Pneumatic Tools

18
For Checking Inlet Pressure

19
2 Inlets

23
Inlet Overview

24
Split/Splitless Inlet

24
Purged Packed Inlet

31
- Replacing the Purged Packed Inlet
  31
- Replacing the Purged Packed Inlet Heater
  35
3 Detectors

39
About the Detector Signal Boards

40
Detector Overview

40
Accessing Detector Signal Boards

41
Replacing Detector Signal Boards

41
Flame Ionization Detector (FID)

44
Nitrogen Phosphorus Detector (NPD)

65
- Selecting an NPD Jet
  65
- Removing the NPD Electrometer
  66
- Replacing the Entire NPD
  67
- Replacing an NPD Signal Board
  70
- Replacing the NPD Heater
  72
- Replacing the NPD Electrometer
  74
- Cleaning the NPD Jet and Collector
  76
- Cleaning the NPD
  78
Thermal Conductivity Detector (TCD)

81
- Replacing the TCD Detector Cell
  81
- Replacing the TCD Switching Valve
  83
Micro-Cell Electron Capture Detector (Uecd)

85
Flame Photometric Detector (FPD)

91
- Preparing for Maintenance
  91
- Disassembling the FPD
  91
- Rebuilding the FPD Optics Assembly
  101
- Reassembling the FPD
  108
- Replacing the FPD
  117
- Bake out and Run Checkout Test
  119
- Replacing the Heater/Sensor Assemblies
  119
- Replacing the FPD Signal Board
  123
4 EPC Modules

125
EPC Overview

126
Repairing EPC Modules

126
Accessing EPC Modules

127
Replacing the EPC Modules

128
Replacing EPC Module Proportional Valves

129
5 Performance Verification

131
About Chromatographic Checkout

131
To Prepare for Chromatographic Checkout

132
To Check FID Performance

132
- Typical Values
  136
To Check NPD Performance

136
- Typical Values
  140
To Check TCD Performance

140
To Check Uecd Performance

145
- Typical Values
  149
To Check FPD Performance (Sample 5188-5953)

150
6 Configuration

157
Configuration Overview

158
- Inlet Example
  159
- Detector Example
  159
- PCM Example
  160
- Heater Assignments
  161
GC Modules and the Communications Buss

163
To Configure an MSD Transfer Line

165
To Configure a Valve Box

166
Replacing a GC Module

166
Removing a GC Module

167
Changing the GC Configuration

167
Configuration Locks

168
Installing New Devices

169
Configuring Time

170
7 External Cabling

171
Connectors on the Back of the GC

172
Remote Start/Stop

172
Automatic Sampler for GC

177
Analog Signal Outputs

178
- Analog Cable: GC to 3395A/B or 3396B/C Integrators and 35900 C/D/E Analog to Digital Interface Instrument
  178
- Analog Cable: General Use
  179
8 Internal Cabling

181
Internal Cabling Overview

182
Ignitor Cable, FID

182
NPD Power Cable

183
Motor Harness & AC Control Assembly

184
AC Power Inlet Assemblies

184
Inlet/Detector Heater Harness

187
Aux Heater/Valve Box Harness

188
Communications Harness

188
7820 GC/MS Second Inlet Upgrade Harness

191
Keyboard Display Cable

192
Display Cable Assembly

192
9 Mainframe

193
Mainframe Overview

194
Covers and Fans

194
- Removing and Replacing the Covers
  194
- Replacing the Oven Bezel
  196
- Replacing the Inlet Cooling Fan
  196
- Replacing the EPC Cooling Fan
  197
Replacing the Oven Door

199
Oven Temperature Control

200
Oven Temperature Troubleshooting

200
Measuring Inlet and Detector Heater and PRT Resistance

201
Testing Resistance of the Oven Heater Coil203

204
Replacing the Oven Shroud, Oven Fan, and Oven Fan Motor

205
- Replacing the Oven Shroud, Oven Fan, and Oven Fan
  205
- Motor
  205
Replacing the Oven Flapper Assembly

208
Replacing Components Inside the Electronics Panel

209
- Accessing the Analog and Power Board
  209
- Replacing the als Board
  209
- Replacing the Fuse on the als Controller Board
  212
- Removing the Valve Bracket
  214
- Replacing the Logic Board
  216
- Replacing the Analog and Power Board
  220
Replacing Components Inside the Lower Rear Metal Cover

223
- Replacing the AC Board
  223
- Replacing the Oven Triac
  224
- Replacing the Power Transformer
  226
10 Valves

229
Valves

230
- Introduction
  230
- Valco W-Series Minivalves
  231
- Gas Sample Valves
  233
Valve Box

234
- Installing the Valve Box
  234
- Removing the Valve Box Assembly
  238
Actuators

240
- Installing the Actuators
  240
- Valve Actuator Drivers
  242
  - Replacing a Solenoid Valve (New Style)
    242
- Valve Actuator Alignment
  246
Typical Valve Configurations

247
Troubleshooting

252
- Chromatographic Symptoms
  252
- Loss of Sensitivity or Excessive Drift
  253
- Loss of Peaks in Specific Areas of the Chromatogram
  253
- Extraneous Peaks
  253
- Peak Broadening and Tailing
  254
- Baseline Shifts
  254
- Baseline Upsets
  254
- Variation in Peak Area and Retention Time
  255
- Pressure Check
  255
11 Electrical

257
Power Options

258
Converting the Power Option

259
Remote Start/Stop Connection

261
Remote Control

262
Temperature Sensor Resistance

263
Ceramic and Glass Fuses

263
AC Power Board Schematic

264
Oven Shroud

265
12 Firmware

267
Firmware Overview

268
Confirm Firmware Update

268
To Update GC Firmware

269
To Update Frit Constants

271
13 Service Mode Diagnostics

275
Service Mode Overview

276
Detector Diagnostics

276
Signal Board Diagnostics

277
Multiplexed ADC

279
Pneumatics

280
Power Diagnostics

281
14 Printed Circuit Boards

283
AC Power Board

285
Analog and Power Board

287
Logic and Communications Board

288
Keyboard Interconnect Board

288
FID Signal Board

290
TCD Signal Board

291
Uecd Signal Board

292
NPD Signal Board

292
FID Electrometer Board

293
Uecd Electrometer Board

294
NPD Electrometer Board

294
FPD Signal Board

296
15 Illustrated Parts Breakdown

297
Overview of the IPB

297
Inlets

298
- Split/Splitless Inlet (SSL)
  299
  - Split/Splitless Inlet
    300
  - SSL Split Vent Trap (7820)
    301
  - Split Splitless Inlet Body
    302
  - Split Splitless Inlet Warmer
    304
  - Consumables and Parts for the Split/Splitless Inlet
    305
- Purged Packed Inlet (PP)
  307
Detectors

316
- Flame Ionization Detector (FID)
  317
  - FID Body
    319
  - FID Collector Assembly
    321
  - FID Base Assembly
    322
  - Consumables for the FID
    324
- Thermal Conductivity Detector (TCD)
  325
  - Thermal Conductivity Detector (TCD)
    327
  - Consumables for the TCD
    330
- Microcell Electron Capture Detector (Uecd)
  331
  - Microcell Electron Capture Detector (Uecd)
    333
  - Consumables for the Uecd
    338
- Nitrogen Phosphorus Detector (NPD)
  340
  - Nitrogen Phosphorus Detector (NPD)
    342
  - Consumables for the NPD
    345
- Flame Photometric Detector (FPD)
  348
  - FPD Inert Transfer Line Parts
    350
  - FPD Ignitor and Heat Shield Assembly
    352
  - PMT and Bracket Assemblies
    353
  - FPD Lens Assembly
    354
  - FPD Covers
    355
  - Consumables for the FPD
    356
EPC Modules

358
Nickel Catalyst Accessory

366
Covers

369
- Mainframe
  371
Automatic Liquid Sampler Parts

372
Oven

374
- Oven Assembly
  374
- Oven Flapper Assembly
  376
Valves

378
- Valve Box Assembly
  378
- Valve Driver Assembly
  380
- Valve Actuator Assembly (1 of 2)
  382
- Valve Actuator Assembly (2 of 2)
  383
- Valco W-Series Minivalve
  384
Electrical

387
- Electronics Carrier
  387
- Display and Keyboard
  389
- AC Power Components
  390
- AC Circuit Board Components
  393
- AC Power Kits
  394
- Main Transformer
  395
- Power Cords
  396
- Chassis Fans
  397

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Agilent Technologies 7820A Manual

Agilent Technologies 7820A Manual (294 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Measuring Instruments | Size: 8.66 MB

Table of Contents

Agilent Technologies 7820A Advanced User's Manual

Agilent Technologies 7820A Advanced User's Manual (130 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Laboratory Equipment | Size: 1.67 MB

Table of Contents

Table of Contents
3
1 Software Keypad

9
- Using the Software Keypad
  10
2 Programming

12
- Run Time Programming
  12
  - Using Run Time Events
    12
  - Programming Run Time Events
    13
  - The Run Table
    13
  - Adding Events to the Run Table
    13
  - Editing Events in the Run Table
    14
  - Deleting Run Time Events
    14
- Clock Time Programming
  15
- Post Run Programming
  17
  - To Enable a Post Run Program
    17
  - To Disable a Post Run Program
    17
3 Inlets

19
4 Columns and Oven

47
- About the Oven
  48
  - Oven Safety
    48
- Configuring the Oven
  49
- About Oven Temperature Programming
  50
- About Columns
  53
- Nickel Catalyst Tube
  61
- Hydrogen Sensor
  63
  - Instrument Logs
    63
  - Calibration
    63
  - Status Information
    63
  - Operation with an Agilent Data System
    64
- About Makeup Gas
  66
- About the FID
  67
- About the TCD
  71
- About the Μecd
  79
  - Μecd Safety and Regulatory Information
    79
  - Μecd Warnings
    80
  - Μecd Gas Flows
    82
  - Μecd Linearity
    82
  - Μecd Detector Gas
    82
  - Μecd Temperature
    83
  - Μecd Analog Output
    83
  - Recommended Starting Conditions for New Μecd Methods
    83
  - Μecd Makeup Gas Notes
    83
  - Μecd Temperature Programming
    84
  - Setting Parameters for the Μecd
    84
- About the NPD
  85
- About the FPD
  96
  - FPD + Linearity
    97
  - FPD + Lit Offset
    97
  - FPD + Photomultiplier Protection
    97
  - FPD + Optical Filters
    98
  - Inlet Liners for Use with the FPD
    98
  - FPD + Temperature Considerations
    98
  - FPD + Gas Purity
    99
  - Gas Flows
    99
  - Lighting the FPD + Flame
    99
  - Setting Parameters for the FPD
    100
- About the FPD
  102
  - FPD Linearity
    103
  - FPD Lit Offset
    103
  - Starting up and Shutting down the FPD
    103
  - FPD Photomultiplier Protection
    103
  - FPD Optical Filters
    103
  - Inlet Liners for Use with the FPD
    104
  - FPD Temperature Considerations
    104
  - FPD Gas Purity
    104
  - FPD Gas Flows
    104
  - Lighting the FPD Flame
    105
  - Setting Parameters for the FPD
    106
6 Valves

110
- The Valve Box
  110
  - Heating the Valves
    110
  - Valve Temperature Programming
    110
- Valve Control
  111
  - The Valve Drivers
    111
  - The Internal Valve Drivers
    111
- Valve Types
  113
- Configuring a Valve
  114
- Controlling a Valve
  115
  - From the Keyboard
    115
  - From the Run or Clock Time Tables
    115
  - Gas Sampling Valve
    115
7 GC Output Signals

118
- About Signals
  118
- Analog Signals
  119
  - Analog Zero
    119
  - Analog Range
    119
  - Analog Data Rates
    120
  - Selecting Fast Peaks (Analog Output)
    121
- Digital Signals
  122
  - Digital Zero
    122
  - Signal Freeze and Resume
    122
  - Data Rates with Agilent Data Systems
    123
  - Zero Init Data Files
    125
8 Auxiliary Devices

127
- About Pressure Control
  128
  - Pressure Units
    128

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Agilent Technologies 7820A Operating Manual

Agilent Technologies 7820A Operating Manual (66 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Laboratory Equipment | Size: 3.88 MB

Table of Contents

Table of Contents
3
1 Introduction

7
- Where to Find Information
  8
  - Online User Documentation
    8
  - Agilent Customer Portal
    9
- Chromatography Using a GC
  10
- The Front View of the Agilent 7820A GC
  11
- The Back View of the Agilent 7820A GC
  12
- The Inlets
  13
- The GC Column and Oven
  15
- Detectors
  16
- The Operating Panel
  17
  - The Display
    17
  - Indicator Lights
    17
  - Alert Tones
    18
  - The Keypad
    19
2 Operating Basics

21
- Overview
  22
- Instrument Control
  23
- Correcting Problems
  24
- To Start up the GC
  25
- To Shut down the GC for Less than a Week
  26
- To Shut down the GC for more than a Week
  27
3 Software Keypad Operation

29
- To Install the Software Keypad
  30
- The Software Keypad
  31
  - To Connect to a GC
    31
  - To Disconnect from a GC
    32
  - Other Program Settings
    32
  - To Minimize or Expand the Software Keypad
    33
  - To Troubleshoot a Connection
    33
  - To Get Help
    34
- The Run Keys
  35
- The Service Mode Key
  35
  - Advanced User Guide
    35
- The GC Component Keys
  36
- The Status Key
  37
- The Info Key
  38
- The General Data Entry Keys
  39
- The Supporting Keys
  40
- Method Storage and Automation Keys
  41
- Keypad Functionality When the GC Is Controlled by an Agilent Data System
  42
- About GC Status in the Software Keypad
  43
  - Indicators
    43
  - Error Conditions
    43
  - Blinking Setpoint
    44
- About Logs
  45
4 Running a Method or a Sequence from the Software Keypad

47
- Loading, Storing, and Running Methods from the Software Keypad
  48
- Loading, Storing, and Running Sequences from the Software Keypad
  50
  - To Load a Sequence
    50
  - To Store a Sequence
    50
  - To Start Running a Sequence
    50
  - To Pause a Running Sequence
    51
  - To Resume a Paused Sequence
    51
  - To Stop a Running Sequence
    51
  - To Resume a Stopped Sequence
    51
  - Aborting a Sequence
    51
  - To Resume an Aborted Sequence
    52
5 About Methods, Sequences, and Data Analysis

54

Agilent Technologies 7820A Installation Manual

Agilent Technologies 7820A Installation Manual (44 pages)

Brand: Agilent Technologies | Category: Watch | Size: 2.34 MB

Table of Contents

Table of Contents
3
7820A GC Installation Guide
5
Tools and Parts Required for Installation
6
7820A GC Installation
7
Set Permanent GC and PC IP Addresses
30
Install the Data System
31
Cables and Back Panel Connectors
32
- Sampler Connectors
  33
  - ALS PORT Tray
    33
  - ALS PORT Front
    33
  - ALS PORT Back
    33
- Signal Connector
  33
- REMOTE Connector
  33
- TEST PORT Connector
  33
- LAN Connector
  33
- Using the Remote Start/Stop Cable
  34
- Connecting Cables
  38
  - Cable Diagrams
    40
  - Remote Start/Stop Cable
    41
  - For more Information
    42

Agilent Technologies 7820A Quick Start Manual

Agilent Technologies 7820A Quick Start Manual (30 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Laboratory Equipment | Size: 4.41 MB

Table of Contents

Agilent Technologies 7820A Safety Manual

Agilent Technologies 7820A Safety Manual (18 pages)

Gas Chromatograph

Brand: Agilent Technologies | Category: Measuring Instruments | Size: 0.52 MB

Table of Contents

Table of Contents
3
Important Safety Warnings
4
Hydrogen Safety
7
Uncombusted Hazardous Gases
9
Micro-Electron Capture Detector (Μecd)
10
Fuses and Batteries
12
Safety and Regulatory Certifications
13
Intended Use
17
Cleaning
17
Recycling the Product
17

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