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Gemini VII 2390a
Micromeritics Gemini VII 2390a - User Manual
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Gemini
®
VII
Operator
’
s Manual
V3.02
239-42828-01
Jan 2014
2
Table of Contents
Main Page
Section 1
5
Default Chapter
5
Table of Contents
5
General Information
13
Introduction
13
Organization of the Operator's Manual
13
Conventions
15
Equipment Description
15
Operation
17
Cryogen
18
Degasser
18
Vacuum Pump
18
Software
19
Report Features
19
User-Defined Reports
19
Gases
19
Specifications
20
User Interface
23
Introduction
23
Instrument Components and Connectors
23
Front Panel
24
Sample Compartment
25
Rear Panel
26
Turning the Analyzer on and off
27
Turning the Analyzer off
27
Turning the Analyzer on
27
Using the Software
28
Shortcut Keys
28
Shortcut Menus
28
File Name Conventions
30
File Status and Description
30
Files
30
Menu Structure
31
Main Menu Bar
32
Window Menu
33
Help Menu
34
Operating Procedures
37
Introduction
37
Specifying Sample Defaults
37
Advanced Format
38
Basic Format
40
Restricted Format
41
Defining Sample Information Files
42
Advanced Format
42
Basic or Restricted Format
43
Opening Files with a Status of Complete, Analyzing, or Entered
45
Opening Files with a Status of Preparing, Prepared, or no Analysis
45
Opening Sample Information Files
45
Defining Parameter Files
47
Degas Conditions
48
Analysis Conditions
49
Adsorptive Properties
50
Report Options
51
Preparing for Analysis
52
Cleaning and Labeling Sample Tubes
53
Determining the Sample Mass
54
Degassing the Sample
56
Installing the Sample Tube
57
Installing the Analysis Dewar
58
Performing an Analysis
60
Start Analysis
61
Quickstart Analysis
62
Blank Analysis
63
Generating Reports
64
Printing Files
66
Listing Files
67
Exporting Isotherm Data
68
Format of Exported Data
69
Converting Files
70
Generating Graph Overlays
71
Multiple Sample Overlays
71
Multiple Graph Overlays
76
Software and Setup Modifications
79
Introduction
79
Installing the Software
80
Starting the Setup Program
87
Installing Software Updates or Reverting to a Previous Version
88
Adding an Analyzer
91
Ethernet Switch
91
Software
92
Moving an Analyzer from One PC to Another PC
94
Removing an Analyzer
98
Changing the Analyzer Setup
100
Reinstalling Calibration Files for an Analyzer
102
Importing an Analyzer from a Previous Installation on this PC
105
Adding or Modifying Smartprep
107
Uninstalling the Analysis Program
109
File Menu
111
Introduction
111
Common Fields and Buttons - File Menu Options
111
Open
114
Save
114
Save as
115
Save as (T-Curve or Alpha-S Curve)
115
Save All
116
Close
116
Close All
116
Print
116
List
116
Export
116
Convert
117
Exit
117
Sample Information Files
118
Degas Conditions Files
120
Analysis Conditions Files
121
Adsorptive Properties Files
127
Report Options Files
128
Summary Report
130
Isotherm Report Options
132
Bet/Langmuir Surface Area Report Options
134
Freundlich Report Options
137
Temkin Isotherm Report Options
138
T-Plot Report Options
140
Alpha-S Method
143
F-Ratio Method
144
BJH Adsorption/Desorption Report Options
146
Tabular Report Options
148
Plot Options
150
Dollimore-Heal Adsorption/Desorption Report Options
151
Plot Options
155
Tabular Report Options
155
DFT Pore Size Report Options
156
DFT Surface Energy Report Options
159
Dubinin Report Options
159
Tabular Report Options
160
Transformed Isotherm Plot Options
161
Pore Volume Options
162
MP-Method Report Options
163
Plot Options
164
Tabular Report Options
164
Options Report
165
Sample Log Report
165
Validation Report
166
Entered or Collected Data File
167
Unit Menu
169
Introduction
169
Common Fields and Buttons - Unit Menu Options
170
Start Analysis
170
Quickstart Analysis
173
Start Po Measurement
174
Blank Analysis
175
Enable Manual Control
176
Instrument Schematic Components
177
System Valves
178
Instrument Schematic Shortcut Menus
179
Show Instrument Schematic
180
Show Status
181
Show Instrument Log
183
Unit Configuration
184
Diagnostics
185
Calibration
187
Match Transducers
188
Zero Pressure
188
Balance Servo
189
Reset Pressure Calibration
189
Sample Servo
189
Save to File
190
Load from File
191
Service Test
191
Reports Menu
193
Introduction
193
Common Fields and Buttons - Reports Menu Options
194
Start Report
194
Close Reports
195
Open Report
195
SPC Report Options
195
Regression Report
197
Control Chart
199
Heat of Adsorption Report
202
Report Features and Shortcuts
204
Report Header
205
Report Tool Bar
206
Report Header Shortcuts
209
Report Shortcut Menus
209
Tabular Reports Shortcuts
210
Graph Shortcuts
211
Axis Cross-Hair
215
Other On-Screen Features
215
Zoom Feature
215
Report Examples
216
Isotherm Linear Plot
217
BET Surface Area Report
218
BET Surface Area Plot
219
T-Plot
220
BJH Adsorption Cumulative Pore Volume
221
BJH Adsorption DV/Dlog(W) Pore Volume
222
Options Menu
223
Introduction
223
Option Presentation
223
Sample Defaults
224
Restricted Format
224
Units
225
Graph Grid Lines
225
Service Test Mode
226
Troubleshooting and Maintenance
227
Introduction
227
Troubleshooting
227
Preventive Maintenance
230
Recovering from a Power Failure
230
Cleaning the Analysis Dewar
231
Cleaning the Analyzer
231
Lubricating Elevator Drive Assembly
231
Replacing Port Filter (Frit) and O-Ring
232
Replacing the Sample Tube O-Ring
233
Changing or Adding Oil
234
Inspecting and Changing Vacuum Pump Oil
234
Inspecting the Oil
234
Replacing the Alumina in the Oil Vapor Trap
237
Changing the Vacuum Pump Exhaust Filter
241
Performing a Leak Test
242
Connecting Gases
244
Disconnecting the Depleted Bottle
244
Guidelines for Connecting Gases to the Analyzer
244
Connecting a Replacement Gas Bottle
245
Cleaning and Verifying the Gas Line
248
Performing a Blank Analysis for Diagnostic Purposes
252
Performing a Reference Analysis
254
Analyzing Reference Material
255
Calibrating the System
256
Zero Pressure
256
Match Transducers
257
Sample Servo
257
Balance Servo
258
Forms
263
Sample Data Worksheet
265
Error Messages
267
2400 Series
267
2500 Series
273
4000 Series
276
6000 Series
288
Calculations
295
Saturation Pressure
295
Relative Pressure Calculations
295
Quantity Adsorbed Calculations
296
Free Space
296
Measured
296
Calculated
297
Thermal Transpiration Correction
299
BET Surface Area
300
Langmuir Surface Area
301
T-Plot
302
BJH Pore Volume and Area Distribution
304
Explanation of Terms
304
Calculations
305
Compendium of Variables
312
Horvath-Kawazoe
313
Slit Pore Geometry (Original HK
313
Cylinder Pore Geometry (Saito/Foley
314
Sphere Pore Geometry (Cheng/Yang
315
Cheng/Yang Correction
316
Interaction Parameter
317
Additional Calculations
318
Interaction Parameter Components
319
Dubinin-Radushkevich
321
Dubinin-Astakhov
323
MP-Method
327
Freundlich Isotherm
329
Temkin Isotherm
329
DFT (Density Functional Theory
330
The Integral Equation of Adsorption
330
Application to Pore Size Distribution
331
Application to Surface Energy Distribution
331
Performing the Deconvolution
332
Regularization
332
SPC Report Variables
333
Regression Chart Variables
333
Control Chart Variables
334
Summary Report
334
References
336
Ethernet Configuration
337
Configuring the Ethernet Port
337
Windows 7
337
Windows Vista
341
Analyzing Samples with Total Surface Area of 1.0M2 or Less
343
Introduction
343
Using Glass Beads
343
Using Filler Rods
345
Using Glass Beads and Filler Rods
346
Dft Models
347
Models Based on Statistical Thermodynamics
347
Theoretical Background
347
Molecular Simulation Methods
348
Monte Carlo Method
348
Density Functional Formulation
349
Models Included
353
Non-Local Density Functional Theory with Density-Independent Weights
353
Models Based on Classical Theories
359
Pore Size
359
Surface Energy
359
Kelvin Equation with Halsey Thickness Curve
360
Models Included
360
Kelvin Equation with Harkins and Jura Thickness Curve
361
Kelvin Equation with Broekhoff-De Boer Thickness Curve
362
References
363
Index
365
Elements Used in this Manual
377
Contact Us
379
Section 2
381
1 About the Smart Vacprep
383
Specifications for the Smart Vacprep
385
Set the Voltage for the Smart Vacprep
386
2 About the Software
387
Add or Remove a Smart Vacprep
387
Add a Smart Vacprep Unit
388
Remove a Smart Vacprep Unit
388
Smart Vacprep Configuration
389
3 Operate the Smart Vacprep
391
Backfill the Smart Vacprep Ports
391
Evacuate the Smart Vacprep Ports
391
Quickstart Degas Conditions
393
Load Quickstart Degas Conditions into a Sample File
394
Start Smart Vacprep Degas
395
Show Smart Vacprep Dashboard
397
Show Smart Vacprep Log
398
Show Smart Vacprep Schematic
399
Smart Vacprep Schematic Shortcut Menus
400
Show Smart Vacprep Status
401
4 Smart Vacprep Calibration
403
Smart Vacprep Pressure Offset
403
Smart Vacprep Servo Valve Calibration
404
5 Smart Vacprep Diagnostics
405
6 Maintenance and Troubleshooting
416
Replace the Vacuum Pump Exhaust Filter
417
7 Parts and Accessories for the Smart Vacprep
419
8 Error Messages
421
Index Index
426
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Micromeritics Gemini VII 2390a Specifications
General
Brand
Micromeritics
Model
Gemini VII 2390a
Category
Measuring Instruments
Language
English
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