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Ultrasonic Flowmeter

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Ultrasonic flow meter is a general term used to describe measurement devices for velocity or flow . However, an ultrasonic flow meter is a device which will either measure the flow velocity , volume or mass flow of a liquid or a gas.

The ultrasonic flow meters are now manufactured in all sorts of types and applications ranging from transit time clean fluid applications  or Doppler based flow meters for dirty fluids or hybrids which do both. .

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EESIFLO Ultrasonic Flowmeter

EESIFLO International is an ISO 9001/OHSAS 18001 certified manufacturer and a division of the EES Group of Companies with more than 22 years of providing service to every industry including the oil and gas, petrochemical and water/waste water related industries.  Non intrusive methods of measuring flow have become popular in certain applications because of the convenience of not having to cut a pipe, stop a process or contaminate surrounding areas with toxic chemicals.EESIFLO has been involved in simple measurements of water to more complex measurements of oil or even mixtures of both in extreme conditions. We manufacture high quality, high performance  measurement devices for  general industry applications and also for oil and gas applications . More>>

Ultrasonic Flowmeter
Sierra Instruments, Inc.
Sierra is one of the most trusted manufacturers of high performance flow meters and controllers today. By combining superior product quality with a talented global network of flow experts, we consistently deliver the best flow measurement solution for our customer. Our Thermal Mass, Transit-Time Ultrasonic, Vortex Shedding and Multivariable instruments are available in both standard and customized versions for applications in laboratory, industrial and hazardous environments. Sierra’s flow measurement technologies precisely measure or control very low flows of gas down to less than 1 sccm full scale as well as extremely high flows of gas, liquid, and steam. With rugged product design, cutting-edge innovation, and a worldwide team of flow experts, experience why customers around the globe rely on Sierra. Experience our passion for flow. Visit us at www.sierrainstruments.com or call us at 800-866-0200.
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Sierra Instruments, Inc.
Featured Ultrasonic Flowmeter Supplier
Instrumart's Ultrasonic Flowmeter
Ultrasonic Flowmeter
The Fuji Electric Portaflow-C is a next-generation, portable ultrasonic flow meter utilizing transit time technology for the non-invasive measurement of flow rates in pipes. This compact and light-weight instrument offers high performance and easy operation.
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Fuji Electric Duosonics Ultrasonic Flow Meter Highly accurate combination pulse Doppler and transit time flow meter. Complete Ultrasonic Flow Meter Kit Including Meter, Detectors and Cables
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The Mace FloSeries3 FloPro Doppler ultrasonic flow meter can measure both water quantity and quality. The FloPro can measure flow practically anywhere - full pipes, partially filled pipes and open channels.
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Krohne UFM 3030 ultrasonic flow meter. The three measuring beams of the Krohne UFM 3030 ultrasonic flow meter generate a 3-dimensional cross-section of the medium's velocity distribution, or flow profile, through the measuring tube. 
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EESIFLO: Ultrasonic Flowmeter
Ideal for most Applications
Multifunction Fully Weatherproof Clamp On Flow Meter For Clean And Dirty Liquids  

EESIFLO Portalok 7s for general applications
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Sonalok X Crude Oil/Water Mixture Flow
Crude Oil / Watery Crude   Sonalok X Full Bore Flow meter Fully Certified for use in ATEX Zone1
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Sonalok X water flow measurement
EESIFLO Sonalok X produced water flow measurement  

EESIFLO Sonalok X  produced water flow measurement
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Sonalo X Offshore
EESIFLO Sonalok X Cooling Water Offshore Platforms  

EESIFLO Sonalok X Cooling Water Offshore Platforms
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Sierra Instruments: Innova-Sonic® Model 205 ultrasonic liquid flow meter
Innova-Sonic® Model 205 ultrasonic liquid flow meter

Innova-Sonic® Model 205 ultrasonic liquid flow meter is a state-of-the-art universal transit time ultrasonic liquid flow meter incorporating the latest developments in digital signal processing. Sophisticated ultrasonic sensor technology coupled with powerful transducers deliver highly accurate flow measurements for liquids in full pipes. While principally designed for measuring clean liquid applications, the device is tolerant of liquids with a small quantity of air bubbles or suspended solids common in most industrial applications.

The Model 205 offers low power consumption, high reliability, and outstanding applicability at an economical price. This ultrasonic measure features an easy to read display and clear, user-friendly menu selections make using the instrument simple and convenient. This ultrasonic flow meter can be configured via keypad without any additional programming device, is packaged in a die cast NEMA 4X (IP65) housing, and like the Innova-Sonic™ Portable Model 210, is available in your choice of non-invasive clamp-on or insertion transducer configurations.
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Ultrasonic Flowmeter

PRINCIPLE OF OPERATION

Most commonly people will distinguish this technology into two types of measurement technique  An ultrasonic flow meter will be categorized into either a Doppler type (which uses the Doppler shift principle) or a transit time device which apparently measures the Delta T or time of flight path. These distinctions have probably been brought about because of the need for simple classifications of ultrasonic flowmeters in the industry. However hybrid ultrasonic flow meters exist which can use both techniques.


Nowadays we can see manufacturers using combinations of both the transit time and the phase shift information and in combination with other ultrasound technologies . Ultrasonic Meters can be insert or clamp on types for general industry applications or the explosion proof type meter.


ULTRASONIC FLOW METER SELECTION

There are many types of ultrasonic flow meters using single or multiple variations on a technology for all types of liquids, gas and even steam.

Transit Time Meter Basic Theory
Transit Time Meter Basic Theory Measurements are made by sending bursts of signals through a pipe . The measurement of flow is based on the principle that sound waves travelling in the direction of flow of the fluid require less time than when travelling in the opposite direction.
Doppler Flowmeter Basic Theory
Doppler Flowmeter Basic Theory   Doppler ultrasonic flowmeters operate on the Doppler shift principal , whereby the transmitted frequency is altered linearly by being reflected from particles and bubbles in the fluid.
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