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Air Quality Monitoring Applications

  • Air Quality Monitoring Equipment for Sample Handling Industry

    Within the field of gas analysis much time is spent looking at the accuracy and uncertainty in the detection technique. However, without appropriate sample handling, what you are measuring could potentially bear little or no relation to your original sample.

    By Signal Group Ltd based in Camberley, UNITED KINGDOM.

  • Air quality monitoring

    By Keika Ventures, LLC (KV) based in Chapel Hill, NORTH CAROLINA (USA).

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    Open Path Ambient Air Quality Monitoring

    Cerex Multi-Gas Open Path Analyzers are available in both FTIR and UVDOAS technologies to meet specific requirements for perimeter ambient air quality monitoring, leak detection, fugitive emissions monitoring and ambient air quality monitoring.

    By Cerex Monitoring Solutions, LLC. based in Atlanta, GEORGIA (US) (USA).

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    Tunnel monitoring

    Car tunnels need ventilation in order to keep air pollution below the limits. When the pollution levels reaches a setpoint, the fans must be started and kept running until the pollution levels decreases.

    By Opsis AB based in Furulund, SWEDEN.

  • Air quality monitoring for regulatory purposes

    Air quality monitoring for regulatory purposes requires instrumentation, systems and procedures that meet international standards such as those described by the USEPA, MCERTS or the European Union. Ecotech offers solutions that meet this criteria.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • Integrated real-time gas analysis solution for semi-gases industry

    CIC Photonics first applied its IRGAS technology to semi-gases when a major semiconductor equipment manufacturer, Applied Materials, requested a demo of its capability to monitor gas quality for epitaxial reactor applications; that was in year 2000. The IRGAS System met all of the technical requirements, which included ppb sensitivity for moisture as an impurity, gas cell chemical resistance to both acid and basic semi-gases, and fast concentration tracking time response.

    By CIC Photonics, Inc. based in Albuquerque, NEW MEXICO (USA).

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    Air Quality Monitoring Stations

    Opsis provides complete AQM stations, used for street-level, urban trend and background applications. The monitoring systems have been approved by the German TÜV and the U.S. EPA among others.

    By Opsis AB based in Furulund, SWEDEN.

  • Roadside monitoring

    Traffic, especially in urban locations, is one of the greatest contributors to air pollution. Traffic produces a variety of different pollutants that include particulates, NO2, NO, CO, hydrocarbons and in some cases SO2. The monitoring of roadside pollution can be challenging as often it is difficult to find suitable locations for large air quality monitoring systems and many sites that are available can be too far away to be representative of roadside air pollution.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • Haze Monitoring

    The principle cause of regional and urban haze, or visibility impairment, is light extinction caused by fine particles, sulfates, organic and elemental carbon, nitrates and crustal matter. Particles between 0.1 and one micrometers in size are most effective at scattering light, in addition to being of greatest concern for human health.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • Air Quality Monitoring Equipment for Industry

    Signal manufacture a wide range of Air Quality Monitoring equipment, from reference method integrated systems down to battery powered indicative units.

    By Signal Group Ltd based in Camberley, UNITED KINGDOM.

  • Air Quality Monitoring Equipment for Automotive Industry

    Engine and vehicle emissions testing involves complex routines and audit regimes to meet with exacting modern legislation.  The methods for measuring gases are also prescribed by the relevant authority and so you might imagine that the equipment for emissions testing is all the same.  Signal take a different approach to our competitors. By designing bespoke systems from a selection of standard modules, we supply all the equipment and features you require, but nothing that you don`t.  This makes our systems the most cost effective solution, particularly when upgrading or for non-standard combination testing

    By Signal Group Ltd based in Camberley, UNITED KINGDOM.

  • Indoor quality monitoring for health and safety

    Indoor air quality (IAQ) is a major influence on the health, comfort and productivity of a building’s occupants. With 90% of our time spent indoors, determining the quality of the air that surrounds us is important.

    By Enviro Technology Services plc based in Stroud, UNITED KINGDOM.

  • Air Quality Monitoring Equipment for Combustion Industry

    Boilers and Combustion Research A fuel source burning with oxygen to produce carbon monoxide, carbon dioxide and water is an equation from school science lessons but looking into the fuel temperature and oxides of nitrogen produced along with the CO, CO2 and O2 is work that is being carried out by boiler makers, power generators and all sorts of industrial applications every day.

    By Signal Group Ltd based in Camberley, UNITED KINGDOM.

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    Continuous emissions monitoring for aluminium smelters

    Process control and emissions monitoring in an aluminium smelter is a challenge due to the high concentrations of HF. To use an extractive system in this environment will demand a lot of maintenance.

    By Opsis AB based in Furulund, SWEDEN.

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    Air cleaning system for the government buildings

    Dynamic Air Quality Solutions has been part of many high profile Government projects including the Securities and Exchange Commission headquarters and the anthrax clean-up effort at the Brentwood Post Office in Washington D.C. Since 2005, Dynamic Air Cleaners have been installed in over 200 government projects in the U.S. and Canada, including state & local and military sectors.

    By Dynamic Air Quality Solutions based in Princeton, NEW JERSEY (USA).

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    Ambient air quality monitoring at airports

    To measure the ambient air quality at airports is a challenge. The monitoring site needs to be representative for background levels and not dependant on changes in local traffic. A large number of gaseous components need to be measured with high accuracy and high availability. The OPSIS DOAS system provides the user with a fast system that gives high availability at low cost. The impact of aircraft take-offs and landings can easily be followed on-line. The OPSIS system can also monitor fugitive emissions from other sources at the airport.

    By Opsis AB based in Furulund, SWEDEN.

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    Testing linearity of Air quality analyzers

    To test gas analyzers for Air Quality monitoring, gas references must have concentration in the range of hundreds to tenths ppb. Test gas bottles with so small concentrations are expensive and unstable. With the gas divider BetaCAP30X100 it's possible to dilute high concentration test gases getting 30 dilution steps in the range from 1:100 to 1:3.000 of the original test gas bottle concentration. Traditionally MFC based diluters are used for this application, but now our capillaries based diluter is available, with more stable performances.

    By Be.T.A. Strumentazione Srl based in Borgolavezzaro, ITALY.

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    Air quality monitoring for traffic

    Modern intelligent traffic systems are designed to move traffic in an efficient manner as well as reduce the environmental impact of traffic on nearby populations. This includes the effects of noise, particle pollution and gases.

    By AQMesh based in Stratford-upon-Avon, UNITED KINGDOM.

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    Gas monitoring instruments and systems for anesthetic gases

    The anesthetic gases and vapors which leak into the indoor atmosphere during medical procedures are considered waste anesthetic gases (WAGs). The exposure is of relevance to thousands of professionals in hospitals, operating theaters, patient recovery rooms, dental offices, and veterinary clinics around the world, who may be continually exposed to the waste anesthetic gases during their workday. Typical gases of concern include nitrous oxide N2O and several halogenated compounds in vapor form, such as sevoflurane, isoflurane, enflurane, halothane, desflurane, and methoxyflurane. Short-term exposure to these gases may lead to several symptoms, such as dizziness, headaches, fatigue, nausea. Long-term exposure to some of the anesthetic agents may result in sterility, birth defects, cancer, and liver and kidney disease.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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