Exhaust Gas Monitoring

Articles & Whitepapers

  • Flow-distortion errors in a non-orthogonal sonic anemometer

    Flow-distortion errors in a non-orthogonal sonic anemometer

    Part 1 - UNDERSTANDING NON-ORTHOGONAL SONIC ANEMOMETERS Non-orthogonal sonic anemometers have been around for about twenty years. We define them as having three measurement axes inclined at an angle of 60 deg to the horizontal and intersecting at their midpoints to form a small sampling volume. The open aspect of the array was immediately appealing to users. There are several makes on t

News

  • Standards committee addresses aircraft engine emissions

    Standards committee addresses aircraft engine emissions

    As a developer and manufacturer of gas analysers since 1977, Signal Group staff possess a high level of knowledge in the sampling and analysis of gases in industrial processes and emissions. The company is therefore able to help in the development ...

Equipment & Solutions

  • SupremeLine Gas Analyzer
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    SupremeLine Gas Analyzer

    The nCLD 811 CM is the next generation in two-channel emissions monitoring instrumentation. Unique in speed and reliability, the nCLD 811 CM is modular designed and allows the continuous analysis of NO, NO2, NOX, NH3 and NOX-Amines in raw exhaust gasses and other samples with NOX concentrations ranging from several thousand ppm down to a ppb. Its graphical user interface also individually ...