What is the use of respirometer 3 balls? Control D Respirometer 3 Ball Lung Exerciser Respiratory ... It is used to improve the lung performance, oxygen concentration and muscular tone of thoracic area. Respirometer is composed of Base and central part divided into three chambers containing three small spheres. Three spheres rise proportionately to the inspiration exerted by the user.Respirometers are used primarily to perform intermittent measurements of tidal and minute volume, and are most widely used to assess that mechanical ventilators are delivering an appropriate volume of gas. Lokesh Jain Apex marathahalli krpuram whitefield varthur siddapura AECS Layout Kundanhalli kadugodi belthur rammurthynagar TC Palya HAL mahadevapura ITPL Vydehi satya sai