Step 6 – measure the leakage, Step 7 – test passes, If test fails – Retrotec Commercial 441 and 451 DucTester User Manual

Step 6 – measure the leakage, Step 7 – test passes, If test fails | 6 step 6 – measure the leakage, 7 step 7 – test passes, 8 if test fails | Retrotec Commercial 441 and 451 DucTester User Manual | Page 26 / 56