U.S. EPA designation method for measuring concentrations of nitrogen dioxide (NO2) in the ambient air (EQNA–0512–200).
The Model T200UP provides Trace Level measurements of NO and NO2 using our Model T200U NOx analyzer combined with a patented photolytic converter. Even low temperature molybdenum converters transform other nitrogen-containing compounds such as HNO3, PAN, etc. to a considerable extent. Simultaneous measurements of NO2 performed with molybdenum and photolytic converters have shown significantly different results in the presence of such compounds.
Gas Measured: NO-NO2 Nitrogen Oxide, Nitrogen Dioxide
Ranges (Min/Max): 0-5 ppb / 0-2,000 ppb
Applications: Trace level; Ultra-sensitive 'True NO2'