DeFelsko PosiTest AIR, Инструкция по эксплуатации

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3. Initiate the Test
Press to ready the PosiTest AIR for the test. Press it again to
begin 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 to decrease fan speed.
During the test, if the solution around the test area bubbles,
a leak is present.
For best results, test solution must be applied correctly.
Rotate dauber as test solution is being applied over test area. •
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.
Page 4
Performing the Test
Performing the Test
1. Apply Test Solution
Using the included dauber applicator, thoroughly
cover the prepared test area with a thin film of
Test Solution.
IMPORTANT: