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gas flow monitoring Applications

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    High flow control (gas flow to 1000 slpm) flow solutions

    Sierra is an expert in the control of high flows of gases. With our large and powerful control valves and PID valve control, Sierra`s mass flow controllers, with industry-best low pressure drop, can control much higher flows than equivalent flow controllers with minimal pressure drop requirements.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Flow meters for analytical flow solutions

    Gas mass flow controllers are widely used in gas chromatographs in order to control carrier gases and to precision purge these instruments. Our instruments also find use in custom gas mixing and blending systems for environmental research.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Monitoring solutions for the flow monitoring areas

    Many large combustion plants are now required to monitor mass emissions of major pollutants and to do so requires an accurate measurement of stack gas velocity. The VCEM 5100 is certified to EN 15267 part 3 QAL 1 for all industrial processes including waste incineration. It has several key advantages, firstly the sensors optics are not in contact with the hot and dusty environment, the VCEM 5100 can monitor gases at temperatures exceeding 10000C and the analyser requires minimal maintenance. The VCEM 5100 can be used in extremely dust environments such as SCR’s when dust loadings exceed 10g/m3. The VCEM 5100 is in full compliance with EN/ISO 16911 part 2.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Cogeneration (digester & landfill gas) flow solutions

    As an industry leader in Clean Energy flow applications, our thermal mass flow meters are used extensively in measuring digester and landfill gas, making electricity from waste.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Testing Fume Hood Flow Dynamics using SF6 as a Tracer Gas

    A safe laboratory environment requires an effective method for clearing toxic material from fume hoods. Since all handling of toxic materials is completed in these hoods, it is critical to have a procedure to evaluate their operation to assure adequate protection for laboratory workers. The InfraRan Specific Vapor Analyzer, factory calibrated for SF6, is an ideal instrument for measuring fume hood efficiency in accordance with ASHRAE and other standards. Manufacturers identify the flow dynamics (factors that affect air flow in the hood and performance with air) using the ratings AM (as manufactured), AI (as installed), and AU (as used). A fume hood evaluation conducted under its operational environment is critical, as these tests will indicate any installation shortcomings as well as direct workers in proper laboratory hood techniques.

    By Spectro Scientific based in Chelmsford, MASSACHUSETTS (USA).

  • Gas monitoring and dust monitoring

    EM-5 series Continuous Emission Monitoring System (CEMS) Counting tail gas emission and realtime concentration NOX SO2 O2 Temperature pressure flow dust

    By HANGZHOU ZETIAN TECHNOLOGY CO., LTD based in Hangzhou, CHINA.

  • Wet gas monitoring for refineries

    Thermal mass flow meters provide excellent measurement capabilities in dry gas flows. They have proven durability, accuracy, and repeatability. However, thermal flow meters are sensitive to liquid droplets in a wet gas stream. For a thermal flow meter to work accurately in a condensing gas environment, the probe must be placed far enough downstream so that the entrained water has condensed onto the pipe wall. In a very wet environment, any condensing liquid (commonly referred to as mist or fog) contacting the sensor probes causes a high reading due to the liquid vaporizing on the heated portion of the sensor. As a result of this deficiency, measurements with conventional thermal meters are largely ignored when moisture levels rise because there is no confidence that the measurements are true.

    By Kurz Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Nitrogen mass flow meters flow for solutions

    Sierra specializes in accurate mass flow measurement and/or control of Nitorgen gas. One of the most commonly measured gases, applications are found across numerous industries ranging from general process control to scientific research and development.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Flow meters for the general research flow solutions

    Our instruments are widely used by original equipment manufacturers of gas chromatographs, mixing and blending systems and other pieces of analytical equipment. The mulitple gas capability and wide choice of flow controlllers-for high pressure, very low flows and corrosive gases-offer customers excellent application flexibility.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Argon mass flow meters flow solutions

    Thermal mass flowmeters and controllers are ideal for Argon application where precision is key. Sierra specializes in accurate mass flow measurement and/or control of Argon gas. Popular applications range from general industrial process control, inerting and steel purification processes to name a few.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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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 S.r.l. based in Montiglio, ITALY.

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    Flow meters for the semiconductor processing

    From bulk gas delivery to cleaning to purging operations, Sierra`s mass flow meters and controllers offer the simplicity and robustness demanded in these applications. Our ability to handle corrosive gases, high flow rates and multiple gases with the same unit makes Sierra`s mass flow meters and controllers a tool-makers choice.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Flow meters for the process control & manufacturing

    Sierra`s mass flow meters and controllers are widely used in the process control and manufacturing industries. From bulk gas delivery to cleaning to purging operations, Sierra`s mass flow meters and controllers offer the simplicity and robustness demanded in these applications. Our ability to handle corrosive gases, high flow rates and multiple gases with the same unit makes Sierra`s mass flow meters and controllers a tool-makers choice.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Flow meters solutions for oil & gas sector

    Our flow meters are used throughout the oil patch, from monitoring injection at the wellhead and measuring natural gas for heaters and boilers to measuring the various process gases at the refinery or flared in the field.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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    Flare gas measurement flow for solutions

    Our flow meters are used throughout the oil patch, from monitoring injection at the wellhead and measuring natural gas for heaters and boilers to measuring the various process gases at the refinery or flared in the field.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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