Table of Contents
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OX-TRAN Model 2/12 R Operator's Manual
Table of Contents
About This Manual ........................................................................................................................................ iii
Safety Information ........................................................................................................................................ iv
Table of Contents.......................................................................................................................................... v
Chapter 1: Introduction.............................................................................................................................. 1-1
Features ............................................................................................................................................... 1-2
Permeation Test Overview ................................................................................................................... 1-3
Individual Zero Phase ..................................................................................................................... 1-3
Conditioning the Sample ................................................................................................................ 1-3
ReZero State .................................................................................................................................. 1-3
Cell Examination State ................................................................................................................... 1-3
Bypass State .................................................................................................................................. 1-3
Test Completion ............................................................................................................................. 1-3
Report Generation .......................................................................................................................... 1-3
Measuring an Oxygen Transmission Rate ............................................................................................ 1-4
Testing Films and Packages ................................................................................................................ 1-4
Chapter 2: Setting Up ............................................................................................................................... 2-1
Unpacking the System ......................................................................................................................... 2-1
The Oxygen Trap ................................................................................................................................. 2-1
Preparing for Installation ...................................................................................................................... 2-1
Front Panel Parts and Controls ............................................................................................................ 2-2
Back Panel Parts and Controls ............................................................................................................. 2-4
Test Gas (Oxygen) ............................................................................................................................... 2-5
Carrier Gas (Nitrogen) .......................................................................................................................... 2-5
Gas Distribution Systems ..................................................................................................................... 2-5
Connecting the Gas Lines .................................................................................................................... 2-6
Setting the Gas Supply Pressures ........................................................................................................ 2-8
System Outgassing .............................................................................................................................. 2-8
Chapter 3: Preparing for a Test ................................................................................................................. 3-1
Testing Basics ...................................................................................................................................... 3-1
How Barrier Properties Affect Testing .................................................................................................. 3-1
Testing Good Barriers .................................................................................................................... 3-1
Testing Poor Barriers...................................................................................................................... 3-1
Testing Mixed Barriers .................................................................................................................... 3-2
Testing Moisture Sensitive Barriers ................................................................................................ 3-2
Developing Test Methods for your Films and Packages ....................................................................... 3-2
The Examination Time .................................................................................................................... 3-2
The ReZero Frequency .................................................................................................................. 3-2
The Sample Conditioning Time ...................................................................................................... 3-3
Individual Zero Processing ............................................................................................................. 3-3
Determining When to Stop a Test ................................................................................................... 3-4
Choosing a Test Method ...................................................................................................................... 3-4
The Auto Test Method .................................................................................................................... 3-4
The Advanced Test Method............................................................................................................ 3-4
Saved Test Methods ...................................................................................................................... 3-4
Using Test Sequencing ........................................................................................................................ 3-4
Chapter 4: Using the Instrument Software................................................................................................. 4-1
MOCON, Inc.
Revision L
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