The Airflow Positive and Negative Duct Accreditation (PANDA) 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 ducted systems. The PANDA provides a fast, accurate, automated solution and helps to ensure compliance with European standards like EN12237, EN1507, EN13779, EUROVENT 2/2 standards and with A merican standards like SMACNA, enhancing energy savings in buildings. Duct Leak Tester without instruments.