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AQUATRAN Model 3/40 Operator's Manual
10. Replace the top of the Test Cartridge and tighten the screws securely.
11. Install the Film Cartridge in one of the four test stations and clamp it into place.
Sample Purging
The Film Test Cartridge does not normally need to be purged after mounting a sample. A permeation test
always starts with a ReZero state. The time required to complete the ReZero is normally sufficient to
properly purge the Film Test Cartridge.
Sample Conditioning
The time required to condition a flat film sample is usually less than required to condition a package.
Conditioning film samples, however does offer the same advantages as when conditioning packages. For
more information see "Conditioning the Sample" in Chapter 3.
Setting Up and Starting a Film Test
After the samples are loaded and the instrument is ready, there are a number of test parameters that must
be set. There are two types of test parameters, cell parameters and instrument parameters. Cell
Parameters are specific to each cell (Sample ID, Sample Thickness). Instrument parameters are common
for all cells (Chamber Temperature and Test Chamber RH). The "Test" icon is used to access the screens
and controls required to set up the test conditions and start a test.
There are two basic types of test methods that can be used to start a test: an "Auto Test" method or an
"Advanced Test" method. The "Auto Test" method attempts to automatically optimize some of the test
parameters while the test is executing. An "Auto Test" method can be used to determine the optimum test
MOCON, Inc.
Figure 7-2: 100%RH Film Test Cartridge
Revision D
Testing Flat Film Samples
7-5
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