Vasthi Instruments is the manufacturer and supplier of state-of-the-art ambient ozone gas analyzers throughout India. The monitors use the ultraviolet spectrophotometry principle to accurately measure ozone levels.We are providiening best An ambient ozone gas analyzer is a device designed to measure the concentration of ozone gas in the surrounding air. Ozone (O3) is a reactive gas that can be found in the Earth's atmosphere, both in the stratosphere and troposphere. While ozone in the stratosphere protects us from harmful ultraviolet (UV) radiation, ground-level ozone can be a pollutant with detrimental effects on human health and the environment. Call now us : 7382708685