Air Duct Leakage Tester

Check the duct joints.

Air duct leakage tester.

Apparent differences of about ten percent between fan delivery and sum of airflow measurements at terminals do not necessarily mean poor sealing and excess leakage. Potential accuracy of flow measurements should be evaluated. The above test procedure describes how to determine total duct leakage or how much leakage there is. The instrument provides step by step test configuration and automated leakage testing based on the smacna hvac air duct leakage test manual and is accurate to 2 5 of reading.

A third test method. Our duct leakage testers are compliant with the following standards. En 1507 ventilation for buildings sheet metal air ducts with rectangular section requirements for strength and leakage. If you place your hand near these joints and you feel air coming out you know that there s a leak.

En 12237 ventilation for buildings ductwork strength and leakage of circular sheet metal ducts. The user can setup a test to smacna eurovent 2 2 and dw 143. The greater the amount of air that s flowing through the easier it will be to find air duct leaks. Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required.

The purpose of duct leakage testing is to evaluate how well a home s duct system can hold air. They can enter the size of the duct the test pressure duration class of ductwork and the alf controller will then calculate the allowable max leakage for the test. The spots where two air ducts connect are common places for leaks to occur. The idea behind it is that the more air that leaks out of the duct system the more potential energy loss can occur.

The hvac air duct leakage test manual provides practical and detailed procedures for conducting leakage tests. Additional methods leakage to outside. Ductwork leakage testers the tsi positive and negative duct accreditation panda system pan200 series is designed to provide fast accurate duct leakage detection as well as duct performance measurements. Available to both buy and hire from bsria instrument solutions is the tsi airflow positive and negative duct accreditation panda 341 light system provides contractors commissioning engineers and research and development technicians with the best in class choice of test equipment to quantify air leakage in ductwork and other areas as well as the ability to measure the performance of.

The controller will then run the test and pressurize the ductwork to the set pressure and monitor the leakage rate. Though built tough with an on board powerful motor the dalt 6900 is very easy to transport on its pneumatic tires and leaves little to no footprint on the job site. Figure 5 1l from the 2012 smacna hvac air duct leakage test manual shows the allowable leakage as a function of duct leakage classification and static pressure in the duct.