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  • Two Technologies
    Notes. Videos. How They Work. What's New. Email to Greyline. Follow Greyline. Back To Main Page. Two Technologies. for Flow Measurement from Outside a Pipe. Doppler and Transit Time are two very popular types of flow meter for non-invasive measurement of flow in full pipes. We tend to confuse
  • Reducing leakage through effective flow measurement
    to. increased investment in the country's water production and. distribution infrastructure. Safeguarding against future water shortages is not just. about producing enough water to meet demand. Equally. as important is the need to control the amount of water. that is lost in transit between the point
  • Penetrating Pulse Technology
    through the liquid. Depending on the operating mode chosen, the pulse either is reflected back to the transducer or detected by another transducer and the transit time is measured. Together with other parameters about the application the actual level in the vessel is computed. While the same basic
  • Cooling Systems for Electronic Enclosures
    TRANSIT | OIL & GAS | DESALINIZATION. Enclosure Cooling Options. Overview. The Sources of Heat. This white paper discusses four popular options. Unwanted heat, which can cause an enclosure’s. for cooling electronic/electrical equipment housed. internal temperature to exceed the manufacturer’s
  • SOLTEC Recorder Tests Critical Aircraft Winch
    Some of the uses of the TA220-2000 series recorder can range from diagnosing intermittent problems with local city electric transit trolleys, determining wind turbine generator faults to nuclear turbine diagnosis and cooling pipe dynamics and even to military testing involving thermal dynamics
  • How Ultrasonic Flowmeters Work (.pdf)
    discontinuities that can scatter the transmitted signal or seriously attenuate the. reflected signal. Many clamp-on meters simply won’t operate with lined pipes. Those that will. may have an accuracy of ±20% at best. In-line, or wetted, transducers using Doppler-shift or transit-time (also known
  • Flowmeters Benefit From Silicon Advances
    is made of Teflon-PFA. Clamp-On Ultrasonic Meter in Weatherproof Enclosure Model 101WP ultrasonic hybrid flowmeter uses either transit-time or phase-shift mode to measure flows in liquid-filled pipes sized -in. to 360-in. in diameter. Options include a pipewall thickness gauge and single or dual channel
  • Flowmeter Technology and Specifications
    on ultrasonic flowmeters require zero pipe work and never come in contact with the liquid at all. Ultrasonic flowmeters use one of four basic measurement principles. They are: Transit-time Technology. One of the most reliable and time tested measurement principles is Transit-time flow measurement. A typical