UV DOAS Gas Analyzer

Vasthi Instruments are global leaders in manufacturing of UV DOAS Gas Analyzer and have been supplying instruments to customers worldwide, Our multidisciplinary team of scientists, physicians, engineers, and regulatory consultants with decades of global experience brings you the quintessential mechanism that provides complete safety accuracy and durability.

Vasthi Instruments was formed with visionary thinking and innovative ideas resulting in innovative products and solutions. We enhance our product quality by the continuous process of research and development. We have WIDE range of models to suite various site conditions and process


UV DOAS Ultraviolet differential optical absorption gas analyzer is an independently self developed flue gas analyzer product which is suitable for on-line gas analysis of environmental protection and industrial controlling purposes.Based on the Ultraviolet absorption spectrum and differential optical absorption spectrum principle,it adopts the unique optical technology platform,where it carries out the on-line analyzer and measurement for concentration of gases such as SO2,NO,O2,H2S,Cl2,NH3,NO2,CO and CO2 etc. Under normal conditions,the gas component of SO2,NO,and O2,is measured and other gas components can be extended.one analyzer can simultaneously carry out measurement for 5 gas components at a maximum.