DeFelsko PosiTest Air Instruction Manual page 5

1. Apply Test Solution
Using the included dauber applicator, thoroughly
cover the prepared test area with a thin film of
Test Solution.
IMPORTANT:
• Rotate dauber as test solution is being applied over test area.
For best results, test solution must be applied correctly.
• Do not overapply or the solution will form a froth or foam.
2. Place the Test Chamber over the Test Area
Place and hold the test chamber firmly against test area to ensure
continuous contact with the substrate. Achieving a perfect seal between
the test chamber and test surface is not necessary. The PosiTest AIR
will adjust for any extraneous leakage that occurs.
3. Initiate the test
to ready the PosiTest AIR for the test. Press it again to begin
Press
test.
In Automatic Test Mode (pg. 3) the PosiTest AIR will automatically
increase fan speed until the set Pressure Differential Limit is reached or
the button is pressed.
In Manual Test Mode (pg. 3) the user manually adjusts fan speed to
depressurize test chamber as test is being performed. Press and hold
, to increase or
During the test, if the solution around the test area bubbles,
a leak is present.
to decrease fan speed.
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