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  • Introduction to Flow Meters
    it is less expensive. Those "inexpensive" purchases can be the most costly installations. Flow Meters. Flow Meter Home Page. Flow Meters: What is a flow meter? A flowmeter is an instrument used to measure linear, nonlinear, mass or volumetric flow rate of a liquid or a gas. Wind Tunnel. WTM-1000. • 4
  • Optimize HVAC and Process System Efficiency by Matching Your Plant and Processes To The Right Flow Measurement Technology
    rate with thermal sensors. flow measurement is required. is determined by measuring the temperature rise of a. fluid (heat gain) or the temperature drop of a heated. Positive Displacement (PD). PD measures the. sensor (heat loss). Thermal flow devices provide direct. volumetric flow rate
  • The Evolution of Thermal Mass Flow Meters
    . volumetric technology that could not. and acceptance of thermal flow technology. sensing tube to measure mass flow, and an. provide the same level of accuracy or. In the late 1970’s Kurz Instruments. integral control valve to regulate the flow. turndown, and customers found that the. introduced the first
  • Maintaining signal integrity in measurement and control
    . device is more versatile and capable. Aside from mea-. suring mass flow rates, they can provide simultaneous. outputs for volumetric flow rate, total flow, density, tem-. perature, and percent concentration. They're unaffect-. ed by flow profiles or viscosity. Temperature sensors--Choosing
  • Quick primer on melt flow testing
    .” Known as an extru-. sion plastometer in more technical jargon, this apparatus has. long been used to determine the melt-flow rate or mass-flow. rate (MFR) of virgin and compounded thermoplastic resins. With the increased pressure on plastics processors to comply. with quality standards for quality
  • Selection and Calibration of a Turbine Flow Meter (.pdf)
    applications. The operational characteristics of gas. meters are basically the same as liquid meters, however the calibration methods. and procedures are worthy of a paper specific to gas applications and will not be. address at this time. Turbine meter operation. A turbine flow meter is a volumetric flow
  • Improve Bioreactor Performance by Using Mass Flow Controllers
    of measuring volumetric flow rate, the instrument measures mass flow rate, or molecular flow rate. Because mass flow is unaffected by viscosity, density, conductivity, pressure, and temperature, it is inherently more accurate and meaningful for measuring material transfer. The data storage
  • "Smart" Turbine Meters Improve Flow Sensing Performance In The Aerospace Industry (.pdf)
    .) Measure flowmeter frequency. 4.) Calculate frequency kinematic viscosity (f/v). 5.) Determine K factor versus f/v. 6.) Calculate: flow rate = frequency actual K factor. Additional calculations: 7.) Determine liquid density by comparing density vs. temperature. 8.) Calculate mass flow rate = volumetric