Retrotec Commercial 441 and 451 DucTester Instrukcja Użytkownika Pobierz pdf (Strona 9)

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2. Types of Duct Leakage Tests

Locate the step by step Quick Guide that came with your equipment or access it at www.retrotec.com.

Figure 1: DucTester setup, including tubing locations and necessary connections.

In all tests, ducts are first pressurized and the leakage rate measured at a test pressure. In some

geographic areas, that test if followed by a depressurization test. Readings are usually written down but

may have to be recorded over a prolonged period and the data logged. Retrotec FanTestic software

performs that task and provides a formatted report. Data can be logged automatically or entered

manually.

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Retrotec Commercial 441 and 451 DucTester Instrukcja Użytkownika Strona 9