Use the @Pressure Key to Get More Exact Results
Get Exact Results with the @ Pressure Key The @ Pressure feature allows the DM‑2 to extrapolate airflow (or leakage) results at a precise target pressure—even if the actual pressure hasn’t been…
Get Exact Results with the @ Pressure Key The @ Pressure feature allows the DM‑2 to extrapolate airflow (or leakage) results at a precise target pressure—even if the actual pressure hasn’t been…
Step-by-Step Procedure Complete Total Duct Leakage Test First Seal all registers and pressurize ducts to +25 Pa using the DucTester as usual. Set Up House Pressurization Ensure the blower door (or…
Problem #1: Flow Reads “–” at Test Pressure What this Means: You’ve reached the target pressure (e.g., 25 Pa), but the gauge shows no flow data. Why it Happens: Fan pressure…
Unpack and Power Up Open the DucTester kit case and remove all components: fan, gauge, umbilical (pressure tubes + speed control cable), flex duct with flange, range rings, grill masking…
https://youtu.be/4NFEIVd7rcY
Step 1: Choose the Right Device & Range Press Device to select the gauge’s connected equipment (e.g., Retrotec DU200 or other DucTester). Press Range Config to match the actual range…
Step-by-Step Process Depressurize the Building Install a blower door in an exterior entrance and pull the house down to –25 Pa relative to outside. Connect the DucTester Attach the duct blower…
Simulated Setup Overview A compact duct system equipped with adjustable holes, representing common leaks found in real-world HVAC systems. All supply and return registers are sealed, except for the access…
What You”l Learn A video-by-video layout showing the step-by-step progression through duct testing procedures. Directions on how the guide aligns with the printed Quick Guide manual, so you can follow…
Why Use Both Modes Depressurization tightens connections by pulling the duct panel seals inward—ideal for registering leaks effectively. Pressurization is more convenient in tight spaces and avoids blowing seals off…