Basic Testing 7-1
7
Chapter 7
Basic Testing
7.1 Basic Testing
7.1.1 Test Cycle
For normal operation, the component is connected to the test port of the unit and
the Start button is pressed.
In a differential tester, the tester pressurizes the test component and a reference
volume. A differential pressure transducer is then used to monitor any variation in
pressure between the two.
A pass or reject result is indicated by front panel display and leak measurement is
shown on the front panel display.
The display can be shown as a pressure change or expressed as a leak rate, if
desired.
7.1.2 Phases of the Pressure Decay Test Cycle
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