thermal mass flow controller Articles

  • Biomedical research looks to thermal mass flow controllers

    Precision control in biomedical research is critical for the success of any experiment. This is especially true for gas mixing and blending applications. These gas mixing applications often involve the creation of artificial atmospheres or other gas mixtures. To get statistically sound results, scientists must achieve precision flow control in creating these mixtures for sensitive experiments. In ...


    By Sierra Instruments, Inc.

  • Gas Mass Flow Control: Why Thermal Mass Flow Technology is Recommended for Best Accuracy!

    It’s no secret. Price, but perhaps more importantly, performance, drive every new product acquisition you make.  How important is measurement accuracy and control to your lab experiment or industrial process? It’s critical.  If your flow readings are off or the flow is not controlled with precise accuracy your research is compromised, product quality suffers, and processes ...


    By Sierra Instruments, Inc.

  • Process gas mass flow controllers - An overview

    A mass How controller (MFC) is used 10 control the How of gases in a wide range of microelectronic processes. A well-designed MFC maintains a constant tlow within I percent of the full-scale flow, has a repeatability of 0.2 percent of full scale, and has a response time of 1 second to reach within 2 percent of the desired (command) flow, all of this is in response to any changes in command flow. ...


    By Sierra Instruments, Inc.

  • Mass flow controllers for Regulating gas flow rates - Case study

    For automatic or manual control, Voegtlin’s thermal mass flow controllers allow high precision regulation of gas flow rates and consistent quality of gas mixtures. The fast control response minimises the setting time. CMOS Sensor Technology By using high-precision CMOS technology (semiconductor sensors) Voegtlin’s thermal measurement and control devices ...


    By iCenta Controls Ltd

  • Thermal mass flow meter for Compressed air solution - Case study

    iCenta delivered the IC-MCF Air Flow Meter complete with ancillary accessories. The IC-MCF air flow meter is indispensable for managing energy use with compressed air / nitrogen up to 12000 L/min (normal). The inexpensive mass flow meter provides precision and wide rangeability as a result of being micro-machined, integration of a micro-flow sensor and advanced channel-design technology. The ...


    By iCenta Controls Ltd

  • Capillary Tube Thermal Mass Flow Meters & Controllers - A User`S Guide - White Paper

    Abstract Capillary tube thermal mass flow meters directly measure the mass flow rate of clean gases and gas mixtures in lower flow ranges. A capillary tube thermal mass flow controller adds an integrally mounted flow control valve to the flow body of the mass flow meter and bom monitors the mass flow rate and controls it to be equal to a set-point value selected by the user. ...


    By Sierra Instruments, Inc.

  • Thermal mass flowmeters fill the bill in precision gas-ratio control application

    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 (see Figure). As older fiberglass manufacturing plants have demonstrated, manual control of air and natural gas flow to the burners used to melt the initial mix often results in unacceptable ...


    By Sierra Instruments, Inc.

  • Applications guide to mass flow measurement in the chemical industry

    Today's chemical plants facc escalating costs and tightening EPA control requirements. Sierra thermal mass flow meters provide the precise, useful data plants need. They can make a significant difference in all the following applications: Greater Control of Gas Flow to Batch Reactors The flow rate of gas to a batch reaction process often varies. The reac- tion rate is high at the ...


    By Sierra Instruments, Inc.

  • Quality Leader in Thermal Analysis depends on Axetris Mass Flow Solutions - Case study

    Pushing the limits of Thermal Analysis using Axetris MFCs An international quality leader for Thermal Analysis solutions relies on Axetris mass flow controllers (MFCs) and has done so for many years. Axetris mass flow solutions help maximize performance while using analysis techniques such as Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). ...


    By Axetris AG

  • Applications guide to mass flow measurement in the power industry

    Precise, timely measurement of air, fuel, and gases is one way today's utilities can take action to protect themselves against rising costs and comply with increasingly stringent environmental requirements. Sierra thermal mass flow meters and control systems are designed expressly to fill these needs. They can make utilities more cost-effective in a variety of applications: Real-Time Fuel Line ...


    By Sierra Instruments, Inc.

  • Mass flow sensing improves leak test efficiency

    Mass flow meters reduce risk of measurement error and provide a reliable, quantitative measurement of product quality and production process control. In the leak testing application, mass flow meters offer advantages unmatched by other instruments. Today, leak testing must be not only precise, accurate and irrefutable, but also easy-to-use, fast and efficient. With mass flow sensing, dry air ...


    By Sierra Instruments, Inc.

  • Applications guide to mass flow measurement in the pulp & paper industry

    Rising costs and tighter emission control requirements have created a need for information that is more useful and precise. Sierra thermal mass flow meters fill this need and support cost-effective mill management in die following applications: Increased Boiler Efficiency Mills need to measure the How of combustion air to the recovery or power boiler to provide accurate air flow ...


    By Sierra Instruments, Inc.

  • A Tale of Two Thermals: Capillary & Immersible

    About: The Core Technology White Paper Series is a four part series detailing the flow technologies that allow Sierra to offer a flow solution for nearly any gas, liquid and steam application. Part 1 focuses on Sierra’s two types of thermal mass flow technologies for gas mass flow measurement and control—Capillary Thermal & Immersible Thermal. Part 2 will focus on our ...


    By Sierra Instruments, Inc.

  • Core technology part 1: thermal--capillary & immersible

    For gas mass flow measurement and control, Sierra offers the broadest selection of thermal mass flow measurement products on the market. This is because our thermal mass flow products incorporate two types of advanced thermal technologies, each complementary to the other and each with unique advantages. These two thermal sensing technologies directly measure gas mass flow based on principals of ...


    By Sierra Instruments, Inc.

  • Optimizing air flows to aeration basins – Case Study

    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 clean energy, solid wastes are often digested in large digester tanks to reduce the volume of waste (sludge) and produce more biogas, which is then ...


    By Sierra Instruments, Inc.

  • Controlling gas atmospheres & Industrial gases - Case study

    Efficient control of gas atmospheres requires excellent measurement stability and a maximum level of automation. When controlled by a remote signal (eg CO2 gas sensor), Vögtlin’s thermal mass flow controllers offer a short reaction time and fast regulation for optimising control of gas atmospheres. Gas mixtures remain stable and adapt rapidly to new requirements. Benefit From The ...


    By iCenta Controls Ltd

  • Tuning combustion ratios in the field - Case Study

    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  density, a turbine meter with a fixed correction factor, and a thermal mass flow meter. The rotameter's poor rangeability (1:3) and fixed ...


    By Sierra Instruments, Inc.

  • Tracking Gas Consumption, Efficiency and Costs - Case study

    Continuous gas consumption monitoring plays an important role in optimising process operating efficiency and economical allocation of resources with associated cost and energy savings. In addition, rapid detection and localisation of leaks is a vital safety issue when handling gases. CMOS Sensor Technology By using high-precision CMOS technology (semiconductor sensors) ...


    By iCenta Controls Ltd

  • Air usage data increases company profit - Case Study

    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 plastic bottles for the beverage industry. Plant engineers need data on compressed air usage to help them reduce utility and production costs. Four ...


    By Sierra Instruments, Inc.

  • Controlling scale deposits in the pulp & paper industry

    The pulp and paper industry is one of the heaviest users of water within the North American industrial economy, requiring on average 54 cubic meters of water per metric ton of finished product.  As water is used in nearly every part of the manufacturing process, accumulation of scale is a phenomenon that can occur in all pulp and paper making processes. This occurs even with the purest water ...

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