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FOCUS GC
Thermo Scientific FOCUS GC User Manual
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Thermo Scientific
FOCUS GC
Gas Chroma
tograph
Instru
ction
Manua
l
PN 3170
9412, R
evisio
n May 20
07
HOME
2
Table of Contents
Table of Contents
5
Default Chapter
13
About this Manual
13
Overview
13
Conventions Used in this Manual
15
Instrument Markings and Symbols
18
Using the FOCUS GC Document Set
20
Classification of the Instrument
21
Technical Features
21
Safety Information
22
Use of Gases
22
Using Hydrogen
23
Cleaning and Decontamination
24
Using the Hydrogen Sensor
24
Chapter 1 FOCUS GC Description
25
Instrument Overview
26
Analytical Unit
26
FOCUS GC Components
26
Pneumatic Compartment
26
Carrier Gas Control
27
Electronic Compartment
27
Gas Control
27
Status Panel and Keypad
27
Column Oven
28
Detector Gas Control
28
Injector
28
Split/Splitless (S/SL) Injector
28
Columns
29
Detector
29
Flame Ionization Detector (FID)
29
Purged Packed Column (PPKD) Injector
29
Data Systems Interface
30
External Detectors
30
Instrument Automation
30
Thermal Conductivity Detector (TCD)
30
GC Parts Description
31
Front Panel
31
Column Oven
32
User Interface
32
FOCUS GC User Interface
32
Electronic Compartment
33
Rear Panel
35
Electrical Connections
35
Carrier Gas Inlet Port
36
Detector Gases Inlet Ports
36
Servo Air for Gas Sampling Valve Inlet Port
36
Electrical Connections
37
Gas Sampling Valve Sample In/Out Ports
37
Oven Exhaust Vent
38
Top Panel
39
Gas Sampling Valve Overview
40
Gas Sampling Valve
40
Interface
41
Chapter 2 The FOCUS GC User Interface
41
Overview
42
The Display
42
The FOCUS GC User Interface
43
The Display Leds
44
The FOCUS GC Keypad
45
Parameters Entry
46
User Interface Main Menu
47
Oven
47
Carrier
48
Detector
48
Inlet
48
External Detector
49
No Detector
49
Signal
49
Autosampler
50
External Detector
50
Sequence
50
Others
51
Configuration
51
When to Configure
51
Configuration Menu
52
Valves
52
Oven Configuration Menu
53
Configure Oven Menu
53
Carrier Configuration Menu
54
Configure Carrier Menu
54
Detector Configuration Menu
55
AS 2000 Autosampler
56
Autosampler Configuration Menu
56
Messages
57
General Configuration Menu
58
Keyboard & Display Configuration Menu
58
Beep Table
59
Handshake Configuration Menu
60
Time Configuration Menu
61
Valves Configuration Menu
61
Configure Valves Menu
62
Run Time Events
62
Run-Log
64
Time
66
Valves
67
Info/Diagnostics
68
3 Gas Control
71
Chapter 3 Gas Control
71
Gas Supplies
72
Configuring the Carrier Gas
73
Configuring the Pressure Unit
74
Carrier Gas Regulation
75
Detector Gas Regulation
75
FID-External Detector Gases Flow Regulation
76
Measuring Gas Flow
78
Operating Sequences
78
Measuring the Detector Gas Flows with a Bubble Meter
78
Carrier Gas Parameters
80
Constant Flow
80
Constant Pressure
80
Flow Mode
80
Carrier Gas Parameters Menu
81
4 Column Oven
83
Chapter 4 Column Oven
83
Column Oven Overview
84
The FOCUS GC Column Oven
84
Oven Safety
85
Column Oven Configuration
86
Configuring the Column Oven
86
Oven Parameters
87
Oven Parameters Menu
87
Setting up a Single Ramp Temperature Program
89
Setting up Multiple Ramp Temperature Program
90
5 Split/Splitless Injector
93
Chapter 5 Split/Splitless Injector (S/SL)
93
Split/Splitless Injector
93
S/SL Overview
94
Liners
97
Septum
97
Packed Columns
98
Septum
99
Installing a Liner and a Septum
99
S/SL Injection Techniques
101
Split Injection Technique
101
Split Injection Technique
102
Splitless Injection Technique
103
Splitless Injection Technique
104
Refocusing the Sample
105
Flooding
106
S/SL Inlet Parameters
107
Inlet Modes
107
Programming the Split Mode
110
Programming the Splitless Mode
111
Programming the Surge Splitless Mode
112
6 Purged Packed Column
113
Chapter 6 Purged Packed Column Injector (PPKD)
113
Purged Packed Column Injector
113
PPKD Overview
114
Liners
116
Septa
116
PPKD Injection Techniques
116
PPKD Injector Menu
116
Inlet (PPKD) Menu
118
Replacing a Septum
119
Programming the PPKD Injector Wide Bore Mode
120
Mode
122
7 Column
125
Chapter 7 Column
125
Introduction
126
Capillary and Wide-Bore Columns
126
Column Ferrules
126
Using Correct Fittings
126
Capillary/Wide Bore Column to Injector and Detector Base Body Connections
127
Retaining Nuts
127
Packed Columns
128
Metric Packed Columns
128
Using Correct Metric Fittings
128
Metric Packed Column Fittings
128
Imperial Packed Columns
129
Using Correct Imperial Fittings
129
Convertion Kit
131
Installation
132
Operating Sequences How to Connect a Capillary Column
132
How to Connect a Packed Column
138
Metal Packed Column Fittings
138
Removing the S/SL Injector Top Components
140
Removing the S/SL Injector Bottom Components
141
Graphite Seal Installation Tool
142
Keeping Leaks under Control
146
Column Evaluation
146
Identifying and Removing Leaks
146
Manual Checking for Leaks
147
Performing a Column Evaluation
148
Expected K Factor
150
K Factor Tables
150
Helium Carrier Gas Theoretical K Factor
151
Nitrogen Carrier Gas Theoretical K Factor
152
Hydrogen Carrier Gas Theoretical K Factor
153
Performing an Automatic Leak Check
154
Column Conditioning
156
8 Flame Ionization
157
Chapter 8 Flame Ionization Detector (FID)
157
FID Overview
158
Detector Base Body
158
Flame Ionization Detector
158
Detector Gas
159
Jet
159
Selectivity
160
Temperature
160
FID Gas Supplies
161
FID Installation
162
FID Menu
164
FID Parameters
164
Flame out Conditions
165
Detector Signal Parameters
166
Programming a FID
167
Setting the FID Signal Parameters
169
9 Thermal Conductivity
171
Chapter 9 Thermal Conductivity Detector (TCD)
171
TCD Overview
172
TCD Gas Supplies
174
Thermal Conductivity of Gases
174
Columns
175
TCD Operating Modes
175
Constant Temperature
175
Constant Voltage
175
Selecting TCD Operating Parameters
177
Using the CT Mode
177
Using the CV Mode
177
Suggested Operating Values
178
Filament Temperature Values for Argon
178
TCD Menu
179
Detector Signal Parameters
181
TCD Signal Parameters
181
Programming a TCD
182
Setting the TCD Signal Parameters
184
Shutting down the TCD
185
10 Autosamplers
187
Chapter 10 Autosamplers
187
Autosampler Overview
188
Sequence of Sample
188
Autosampler Configuration
189
Autosampler Menu
189
AS 2000 Autosampler Menu
190
Internal Standard Use
192
Internal Standard Menu
192
AI 3000/AS 3000 Menu
193
Sequence Programming
195
Sequence Menu
195
11 Getting Started
197
Chapter 11 Getting Started
197
Instrument Set-Up
198
Run Time Events
202
Operating Sequences How to Set up the Instrument Editing Run Time Events
202
Deleting a Run Time Event
205
Controlling Valves
206
Manual Control
206
Run Time Control (Gas Sampling Valve Only)
206
Run Time Control
206
Only)
206
Instrument Start-Up
208
How to Start up the Instrument
208
Instrument Status Messages
211
Not Ready
211
Prep-Run
212
Stand-By
212
Ready to Inject
213
Ready to Inject with an Autosampler Enabled
213
Run
213
12 Checkout Using Fid
215
Chapter 12 Checkout Using FID with S/SL
215
SOP Number: P0407/05/E - 31 May 2006
216
Preliminary Operations
216
Scope
216
Parts Referenced
218
FID-S/SL Parts Referenced
218
Analytical Conditions Required for FID-S/SL
219
FID-S/SL Analytical Conditions
219
FID-S/SL Checkout in Splitless Mode
220
Operating Procedures FID-S/SL Checkout in Splitless Mode
220
FID-S/SL Acceptance Criteria
227
Analytical Acceptance Comments
228
13 Checkout Using Tcd
229
Chapter 13 Checkout Using TCD with S/SL
229
SOP Number: P0473/04/E - 02 May 2007
230
Preliminary Operations
230
Scope
230
Parts Referenced
232
Analytical Conditions Required for TCD-S/SL
233
TCD-S/SL Analytical Conditions
233
Operating Procedures TCD-S/SL Checkout in Splitless Mode
234
TCD-S/SL Checkout in Splitless Mode
234
TCD-S/SL Acceptance Criteria
241
14 Checkout Using Tcd
243
Chapter 14 Checkout Using TCD with PPKD
243
SOP Number: P0474/05/E - 02 May 2007
244
Preliminary Operations
244
Scope
244
Parts Referenced
246
Analytical Conditions Required for Splitless Injection
248
Operating Procedures TCD-PPKD Checkout
249
TCD-PPKD Checkout
249
TCD-PPKD Acceptance Criteria
256
15 Maintenance and
257
Chapter 15 Maintenance and Troubleshooting
257
Maintenance
259
How to Perform Maintenance
259
Septa
259
Suggested Maintenance Schedule
259
Detector Unit
260
Ferrules and Seals
260
Maintenance Schedule Table
260
Traps
260
Instrument Cleaning
261
Maintaining a SSL Injector
262
When Cleaning or Replacing the Liner
262
When Replacing the Standard Septum
262
If the Glass Liner Breaks Inside the Injector
263
Related Operating Sequences
263
Operating Procedures Replace the S/SL Standard Septum
264
Installed
267
Replace or Clean the Liner When a S/SL Standard Septum Is
267
Replace the S/SL Inlet Vent Line Filter
273
Maintaining a PPKD Injector
276
When Replacing the Liner
276
When Replacing the Septum
276
Replace the PPKD Septum
277
Replace or Clean the PPKD Liner
279
Maintaining a FID
282
Clean/Replace the FID Jet
284
Clean/Replace the FID Collecting Electrode
288
Replace the FID Ignition Assembly
292
Change in Sensitivity
295
FID Troubleshooting
295
Gases
295
Flame Ignition
296
Maintaining a TCD
298
Baseline Drift
300
Negative Peaks
300
Sensitivity
300
TCD Troubleshooting
300
TCD Troubleshooting Table
301
Troubleshooting the TCD
301
How to Install/Replace the Loop of an Automatic Valve
304
Maintaning Gas Sampling Valve
304
Analytical Troubleshooting
306
Error Messages
307
Instrument Troubleshooting
307
Guide to Solve Analytical Problems
309
Chapter 16 LAN Option Set-Up
321
Introduction
322
IP Address and LAN Communication Port
322
Network Cables
323
Reset Button
323
Set-Up
324
Appendix A Customer Communication
337
How to Contact Us
337
Reader Survey
338
Glossary
339
Index
345
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Thermo Scientific FOCUS GC Specifications
General
Brand
Thermo Scientific
Model
FOCUS GC
Category
Measuring Instruments
Language
English
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