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  • Cultivating Geothermal Energy Sources

    Since the early twentieth century, geothermal energy has been used to produce electricity. In the 1980’s and 90’s, rapid expansion in the demand for geothermal energy put pressure on suppliers to reduce costs and increase...
  • Delivering Mission Critical for NASA

    Early developments in the evolution of mass flow meters in the 1950’s were largely driven by the need for highly accurate readings. Over the last 50 years the demand for substantially reduced margins of error has only intensified. For the...
  • Gas Mixing and Blending Equipment

    A specific gas blend within a chamber must be produced by a procedure known as ideal gas mixing (or gas blending). In this example, synthetic air composition is maintained at a mix ratio of 78% N2, 21% O2 and 1% Ar. A miniature Human/Machine...
  • Fiberglass Manufacturing Requires Precise Gas Ratio Control

    Fiberglass insulation manufacturing is almost akin to making cotton candy!  A mixture of silica and other components are melted and passed through a spinning extruder, then rapidly cooled with compressed air. As older fiberglass manufacturing...
  • High Voltage Switchgear SF6 Maintenance

    Just like the main circuit breaker in your home, city grids have main on/off switches called switchgears. When these high voltage switchgears open or close, huge "lightning-like" arcs of electricity are created. If not maintained correctly, these...
  • Multipoint Systems Measure Flare Gases

    To mitigate greenhouse gas emissions, many companies reuse their biogas for cogeneration, but the amount of biogas produced often exceeds the amount needed for cogeneration. In such cases, it is often not economical to purify, compress and store...
  • Reducing the Cost of Emissions Testing

    In the early 1970¹s, the U.S. Environmental Protection Agency (EPA) was formed in response to growing concern about air quality. The EPA developed emissions regulations that targeted the carcinogenic impact of engine exhaust, and set tough...
  • Bringing New Efficiencies to Photovoltaics

    Solar photovoltaic installations now generate power in more than 100 countries and continue to be the fastest-growing type of electricity generation in the world. Due to the growing demand for renewable energy sources, manufacturing of solar cells...
  • Capturing Biogas from Landfills

    Each day, millions of tons of municipal solid wastes are disposed of in sanitary landfills and dump sites around the world. Over 1,200 landfills worldwide collect landfill gas, which reduces greenhouse gas emissions and accrues emissions credits to...
  • Mass Flow Controllers Give Pin Point Accuracy

    According to Dr. James Barry, a Benthic biologist and senior scientist at Monterey Bay Research Institue (MBARI), about a third of the human CO2 gas emissions in our atmosphere is absorbed by the ocean, making the ocean 30% more acidic than just 100...
  • Introducing Ozone to Water Purification

    Traditionally, chlorine has been used to disinfect water for drinking. Unfortunately, chlorine produces carcinogenic by-products called trihalomethanes (THM’s) when it reacts with organic substances in surface waters. The recent adoption of the...
  • District Heating Reduces Carbon Footprint

    District heating is a system for distributing heat generated from a centralized location for residential and commercial heating requirements. The heat is often obtained from a cogeneration plant that burns fossil fuels, but increasingly these plants...
  • Reducing Cost of Water Usage Analysis

    Large regional water companies, like California American Water Company, which services the central coast of California, have already invested in high performance flow measurement instrumentation to better understand its usage. Most Americans receive...
  • Generating Thermal Energy from the Sun

    With the rising cost of electricity from fossil fuels, solar thermal energy (STE) currently leads the way as the most cost-effective solar technology. Major solar thermal power industry players are striving to make the economics of solar power a...
  • Conforming to GHG Reporting Rules

    In 2011, a new EPA rule (40 CFR Part 98) went into effect requiring a wide range of companies that emit Green House Gases (GHG) to submit annual reports to the EPA. These were primarily large facilities emitting 25,000 metric tons of carbon...
  • Reducing the Threat of Carbon Soot

    The U.S. government now recognizes that black carbon soot is the number two cause of climate change and the most important component of air pollution affecting our public health. This soot, caused mainly by the burning of fossil fuels and firewood,...
  • Helping China Deliver Cleaner Coal Power

    To keep pace with the electricity demands of its rapidly growing economy, China’s coal-fired power plant construction is booming. Conscious of their environmental impact, China has focused on building efficient, low polluting plants. One...
  • Optimizing Air Flows to Aeration Basins

    As a result of clean energy mandates and the rising cost of energy, wastewater treatment facilities around the country are retrofitting their instrumentation to run highly efficient, cost-effective, clean facilities. To reduce emissions and produce...
  • Unlocking Carbon History in Antarctic Ice

    No greater challenge faces our planet right now than determining conclusively how we are impacting the environment and what can be done to arrest and reverse global warming. One important method for measuring the rising level of CO2 in earth’s...
  • Producing Biogas from Solid Wastes

    Santa Cruz Wastewater Treatment Facility, located in Santa Cruz, California, generates the majority of its own electric power by using internal combustion engines that burn a mixture of methane gas produced by the sewage digestion process and...
  • Controlling Natural Gas Usage Costs

    A large American engine manufacturer required mass flow meters to measure natural gas usage in each of the eleven buildings on their campus. Natural gas is used to fire furnaces and other equipment. Because each facility is a separate profit center,...
  • Improve Gas Blending Accuracy and Save Money

    For DataChem Laboratories, precision mass flow is crucial. DataChem, originally established in 1973 as part of the University of Utah's Research Institute, has grown into a world respected analytical testing laboratory. They have the important job of...
  • Refinery Tracks Down Costly Air Leaks

    A refinery recently installed two new air compressors in their plant and specified two mass flow meters to measure utility air use and dry instrument air mass flow rate as well as total plant output. Their principal objective was to monitor increased...
  • Facility Reduces Process Downtime

    A facilities subcontractor for Boeing required meters to monitor the make-up air mass flow rate into a painting facility. The make-up fans ensure compliance with OSHA and Boeing air quality standards by reducing contamination and airborne particles...
  • Cogeneration Company's Steam Solution

    A large North American cogeneration company produces steam, electricity and other utility services for sale to customers. They required a mass flow meter to measure steam consumption for billing purposes and to enhance system diagnostics. The...
  • Buying Time In Suspended Animation

    Imagine being suspended in time—having your metabolism slow, heart rate decrease, and temperature drop. For Dr. David Kraus, Sulfide Biologist at the University of Alabama, linearity and precision matters. Dr. Kraus and other scientists are...
  • Tuning Combustion Ratios in the Field

    For a major European gas manufacturer, the burner control systems in their power generators had long relied on three different technologies for natural gas mass flow measurement. These included a rotameter with integrated microprocessor to calculate...
  • Smart Compressed Air Measurement

    Air may be free, but compressed air certainly isn’t. Every day, leaks and inefficient compressors cost companies money and lead to more electricity usage. As air  compressors churn away 24/7, endlessly maintaining the air pressure in...
  • Maximizing Bioreactor Performance

    Paul Sauer, Associate Scientist of Protein Design Lab's Cell Culture Development Group, had two compelling reasons for specifying mass flow controllers for his work: The first was the need to acquire an array of data that would allow them to more...
  • Researchers Create Martian Environment

    The pressure on Mars is less than one percent of what it is on Earth. The research of the Controlled Environment System Research Facility (CESRF) at the University of Guelph in Ontario, Canada includes evaluation of plant growth under these low...
  • Duplicating the Conditions of the Body

    For centuries, folklore has recognized that garlic is a cure-all, preventing heart disease, high cholesterol, diabetes, and high blood pressure. With the help of Sierra, Dr. David Kraus, a seasoned Sulfide Biologist, and his team at the University of...
  • Delivering Automation to Test Stations

    CeraMem Corporation is a developer of metal oxide gas concentration sensors in Waltham, MA. Their test engineers required mass flow controllers that were easy to intregrate and calibrate. They also demanded fast response and high accuracy in order to...
  • Lockhead Advances Cryogenic Research

    Lockheed Martin researches, designs, manufactures, and integrates advanced technology systems for the U.S. Department of Defense and NASA. Eric Roth, a Lockheed physicist, tests infrared sensors used for positioning systems in deep-space satellites...
  • Air Usage Data Increases Company Profit

    A large American container company required mass flow meters on their air compressor lines to help evaluate the efficiency of blow mold machines in their plant. The manufacturer melts PET chips and extrudes them through blow mold machines to produce...
  • Bringing Precision to Steel Production

    Aluminum and steel manufacturers use mass flow controllers to inject purification, stirring and shielding gases into their melting, casting and annealing processes. Precise, automated gas flow control reduces toxic emissions and material costs....
  • Boosting Gas Pipelines to Optimum Levels

    As gas pressure drops in the gas pipeline network, the transportation capacity is reduced. Compressor plants are used to boost gas pressure back up to optimum operating levels. Monitoring fuel gas to compressors is typically accomplished with an...
  • Ancient Process Meets The Future

    Food, beverage and pharmaceutical industries requiring the regulation of air and gas flows have historically faced the challenge of obtaining highly accurate measurements in rugged factory environments. Within the last two decades, thermal mass flow...
  • Glass Manufacturer Controls Gas Ratios

    For a specialty glass manufacturer that constructs high-quality glass containers for the pharmaceutical and analytical industry, manual control of air and natural gas flow to the burner tip had resulted in unacceptable levels of rejected material, as...
  • Flowmeter Choice Affects Efficiency in WWTP

    Wastewater treatment plant operators increasingly, in today's competitive climate, have to meet mandates to fine tune their plant's performance efficiency. One way to do this and save thousands of dollars is to choose the right ...