Envicam-2 provides the fastest sampling (~10 Hz) imaging camera available on the market. With an integrated spectrometer and webcam, Envicam-2 is ideal for monitoring emissions from industrial complexes, ships and has been tested as several erupting volcanoes. It has also been used at industrial plans to measure gases, including industrial plumes from plants in Australia, Romania, South Africa and Norway. Measurements like these can be used to assess the emission rates of gases and help to mitigate adverse effects on the environmental and human health.
Envicam-2 integrates the Hamamatsu C8484 UV camera with a UV spectrometer and webcam to provide a complete set of measurements data for quantifying fugitive emissions rapidly and accurately. The camera provides 1344 x 1024 pixels and by using Envicam-2’s four-position filter wheel, spectral selection can be achieved. The spectrometer is co-aligned with the camera axis to provide a ~0.3 nm resolution spectrum within the fi eld-of-view of the camera. The webcam allows the user to view the scene in real-time using visible light and maintain a visual record of the data capture.
UV radiation is measured using a high quantum effi ciency CCD after passing through special narrowband fi lters that select radiation where certain gases strongly scatter or absorb radiation. The region between 280-320 nm can be used to estimate SO2 path concentrations, while other gases, for example NO2, can be measured between 400-500 nm.