Full Description This is a Spanish translation of ANSI/ASHRAE Standard 185.2-2020, Method of Testing Ultraviolet Lamps for Use in HVAC&R Units or Air Ducts to Inactivate Microorganisms on Irradiated Surfaces, completed by Aire Limpio of Madrid, Spain.Standard 185.2 establishes a test method to measure the intensity of ultraviolet (UV-C) lamps on irradiated surfaces under typical HVAC&R operating conditions. It also defines methods of calculating and reporting results obtained from the test data.This 2020 revision of Standard 185.2 includes a change to the airflow for the measurements.