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low flow monitoring Applications

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    Low flow control (down to 0.1 sccm) flow solutions

    Low flow measurement and control is a difficult application. Ultra low flow mass flow controllers can accurately control flows from 0.1 to 0.4 sccm which is ideal for measuring and controlling doping gases for pilot plants and other research houses.

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

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    Ultra low pressure drop MFC flow solutions

    Precision mass flow control with industry leading pressure drop of 4.5 psid (310 mBard) up to flows of 500 slpm (nlpm); Accuracy +/- 1.0% of full scale; 316 stainless steel construction; CE Approved

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

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    Applications of low gas flow measurement in wastewater analysis

    Whether you are a researcher or an operator working with wastewater treatment processes, it is crucial to have access to highly accurate and precise data to get insight into the wastewater treatment processes.

    By Bioprocess Control Sweden AB based in Lund, SWEDEN.

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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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    Low concentrations monitoring of benzene and aromatic hydrocarbons (BTEX) for pollution control and environmental monitoring

    With over 15 years of experience in the measurement of volatile organic compounds (VOC), Environment SA announces the VOC72M, a new generation analyzer for the measurement of BTEX compounds by gas chromatography with photo-ionization detector (PID). The VOC72M can handle up to 40 compounds and eight configurations for analysis. This compact and fully automated analyzer with wide voltage range specifications (90-240V) provides equivalent performance to the laboratory chromatographs and is particularly suited to...

    By ENVEA based in Poissy, FRANCE.

  • Area-velocity flowmeter for sewage lagoon discharge flow monitoring

    The Township of South Glengarry installs a new Greyline AVFM 5.0 Area-Velocity Flow Meter to measure continuous discharge from their municipal sewage lagoon. The sealed ultrasonic sensor is mounted in a horizontal 12` PVC pipe. The AVFM replaced a magnetic flowmeter that was unable to measure seasonal low flow rates.

    By Greyline Instruments Inc. based in Long Sault, ONTARIO (CANADA).

  • 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).

  • SONARtrac - Dredging - Hopper Vessels

    Soil density, hardness, lithology, and sediment particle size distribution can create slurry of variable makeup and density. At a constant pump speed, the slurry will have a variable flow velocity, which is undesirable and potentially dangerous. If the velocity is too low, there is a risk of sand outs in the pipeline. If the velocity is too high, the pump will wear and be inefficient. Traditional velocity flow meters with wetted parts are prone to wear, causing measurement inaccuracies, and require frequent,...

    By CiDRA Corporate Services Inc based in Wallingford, CONNECTICUT (USA).

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    Monitoring oil in power plant cooling water

    The TD-4100 utilizes a non-fouling, non-contact flow cell which requires little to no maintenance, and uses fluorescence technology to accurately detect oil in water from low ppb to high ppm. For this application, the TD-4100 monitors oil in water at 1 to 5 ppm and signals an operator with an alarm when the concentration exceeds the high alarm relay set-point.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    Data loggers and data acquisition monitoring solutions for the hydrology industries

    Specialized data loggers for connection with flow meters, rain gauges, water level sensors, and weather stations. Designed for fast deployment at a low cost, these standalone solutions are weather-resistant for reliable operation under hostile conditions. Our real-time telemetry and early warning systems include GPRS data loggers to monitor remote sites.

    By CAS DataLoggers based in Chesterland, OHIO (USA).

  • Water Contamination Detection

    Security of water assets is becoming an increasingly major issue that demands immediate and robust alarms for potential contamination. In addition to this, natural growth of algae is a common problem for water asset managers, the results of which can increase maintenance costs of water processing plants as well as directly effecting water taste. The CTG FastGuard fast repetition rate fluorometer analyses information on the physiological state of the algae it monitors within an in-line flow system. A number of...

    By Chelsea Technologies Group based in West Molesey, UNITED KINGDOM.

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