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OX-TRAN Model 2/28 Operator's Manual
Chapter 5: Testing Film Samples
This chapter contains information on how to test film samples. Suggestions on how to maximize the
accuracy of your results and procedures describing how to perform the test are discussed.
Read this chapter to learn about:
•
Testing Suggestions
•
Preparing for a Film Test
Sample Size
•
Using Masks
•
Sample Orientation
•
Preparing the Samples for Testing
•
Conducting a Film Test
•
Testing Suggestions
The following information will assist you in the day-to-day operation of your instrument.
•
Test duplicate samples whenever possible.
•
Use good samples. Pinholes and creases can contribute to false readings.
Use caution when recording data for a new or unknown specimen. Some materials approach
•
equilibrium slowly. When in doubt repeat the test.
If no testing will be performed for a significant period of time (overnight or weekend) no
•
special precautions are needed. The Gas Saver function will automatically be activated
(when enabled) whenever both test cells are in the "Idle" state.
Turning off the power and gas supplies to instrument is not recommended. If the instrument
is shutdown you will need to wait for it to outgas before testing can resume.
MOCON, Inc.
Revision J
Testing Film Samples
5-1
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