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Gas Calibration Applications

  • Production of high-accuracy ethanol calibration gas

    Fast and highly accurate analyzer system was needed for ethanol calibration gas standards. Precisive`s OXS-3100-HC configured for ethanol gas was selected due to its sub-ppm repeatability and high stability.

    By MKS Instruments, Inc. based in Andover, MASSACHUSETTS (USA).

  • O2 Monitoring in Air

    Oxygen (O2) is a colorless odorless gas, essential to all life on Earth but damaging in high concentrations. An O2 analyzer should thus be employed for safety management and air pollution prevention purposes. LasIR MP110 is perfect for continuous emission monitoring of O2. It is based on TDLAS technology and can be calibrated as an O2 analyzer, providing accurate and reliable measurements. It quickly responds to changes in compound concentration, thus providing continuous emission monitoring for the specified gas.

    By Unisearch Associates Inc. based in Concord, ONTARIO (CANADA).

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    Gas analysis & monitoring system for gas generation

    The gas generators for calibration based on the use of “Method of Permeation Tubes.”. The permeation tubes are sealed capsules containing a small amount of the component that is in contact with a permeable membrane stable. The permeation through the membrane produces a vapor of the compound of the component of small quantity, very stable as a stream in time. This permeate stream by mixing with a dilution gas controlled and precise (for example nitrogen) creates a mixture in track at the desired concentration. The flow of the permeate is measured metrically through severe weight loss of the tube thus ensuring a standard high precision.

    By ETG Risorse e Tecnologia based in Montiglio, ITALY.

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    Continuous emissions monitoring for mining & smelting

    OPSIS non-contact monitoring solutions, based on either DOAS or TDL techniques, are very well suited for applications in the mining and smelting Industries, as the flue gas conditions often involve high temperatures and high dust concentrations.

    By Opsis AB based in Furulund, SWEDEN.

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    Continuous emissions monitoring for glass manufacturing

    Process control and emissions monitoring in a glass manufacturing plant is a challenge due to high temperature in the flue gas. The OPSIS DOAS system provides the glass industry with an accurate analyser that will operate with a minimum of maintenance. The OPSIS DOAS system is based on a non-contact method that uses an optical path to measure across the duct.

    By Opsis AB based in Furulund, SWEDEN.

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    Continuous emissions monitoring for cement industry

    Process control and emissions monitoring in cement plants, can be a challenge due to the dusty and corrosive environment. OPSIS provides an accurate system that will operate with high performance and a minimum of maintenance.

    By Opsis AB based in Furulund, SWEDEN.

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    Emissions Monitoring for Sulphuric Acid Production

    Opsis offers complete system packages for on-line measurements in sulphuric acid plants. A system may be used in order to increase plant efficiency as well as monitoring the emissions.

    By Opsis AB based in Furulund, SWEDEN.

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    Gas Detection

    Gas Detection is our core business, whether portable, colormetric, fixed systems or Hazmat. We do more than get you the equipment you need--we also help you select it, calibrate it, service it and maintain it. Our technicians, our sales reps and top management can speak with authority on the capabilities of our equipment and match it to your specific application. And we are the champions of the one-of-a-kind solution, because we have the know-how and the right tools.

    By Argus-Hazco based in Chesterfield, MICHIGAN (USA).

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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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    Perimeter Ambient Air 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. Cerex multi-gas analyzers offer significant advantages over single gas analyzer arrays, electro-chemical sensor arrays and time integrated air sampling hardware

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

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    Continuous emissions monitoring for mineral wool production

    Process control and emissions monitoring in a mineral wool plant is a challenge due to the presence of phenol and formaldehyde. To use an extractive system in this environment will demand a lot of maintenance. The OPSIS DOAS system is different and provides plants with an accurate analyser that will operate with a minimum of maintenance. The OPSIS DOAS system is based on a non-contact method using an optical measurement path that can operate across the duct.

    By Opsis AB based in Furulund, SWEDEN.

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    Street-level monitoring

    To measure the air quality in a city is a challenge. A large number of gaseous components need to be measured with high accuracy. The monitoring site needs to be representative for the city and the system has to be easy to maintain and calibrate.

    By Opsis AB based in Furulund, SWEDEN.

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    Ambient Stations for Ambient Air Quality Monitoring

    Ambient air monitoring involves the measurement of `representative` air in urban, industrial and rural areas. These measurements are used to determine the human exposure to pollutants and can be combined with trace/background monitoring.

    By Opsis AB based in Furulund, SWEDEN.

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    Gas calibration for laboratories

    By Umwelttechnik MCZ GmbH based in Bad Nauheim, GERMANY.

  • Continuous Emissions Monitoring Calibration Systems (CEMCS)

    The Environics Series Continuous Emissions Monitoring Calibration Systems (CEMCS) have been used in CEM vans and laboratories for over twenty years. They meet or exceed the performance requirements of the United States EPA 40 CFR Part 51 Method 205 Appendix M. Our systems are custom built, computerized, mass flow controller based gas calibration systems which allow you to dilute a single high concentration cylinder of span gas to low levels for the calibration of gas analyzers.

    By Environics, Inc. based in Tolland, CONNECTICUT (USA).

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    RATA Relative Accuracy Test Audit or CAL2 (EN14181)

    An important step of CEMS testing is verifying of gas analyzers linearity : this step is well performed with a 30 steps gas divider. With just one test gas reference and a zero gas (diluting gas), the required 5 or 10 scaled concentrations may be easily produced "just in time". 30 steps dilution are available to allow using test gases with concentration up to 3 or 6 times the gas analyzer span.

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

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