Today, ultrasonic flowmeters are the most widely used flow technology in the market. Their main advantage over other technologies is the non-intrusive clamp-on installation method which dramatically reduces installation costs by negating the need for costly pipe modifications. The non-invasive nature of this technology also allows for fewer process interruptions, more maintenance free operation, lower pressure differential and greater longevity versus other flow measurement technologies.
SmartMeasurement™ offers the most comprehensive array of ultrasonic flow meters in the industry.
SmartMeasurement™ offers the widest selection of ultrasonic flow meters in the industry. Our comprehensive array of non-invasive clamp-on flowmeters includes devices employing both the time-proven transit time and the doppler ultrasonic flow measurement technologies with either clamp-on or threaded/flanged installation options available. We also offer low-cost spool-piece water meters and BTU/energy ultrasonic meters. Learn more About Magnetic Meter
The amount of suspended solids or bubbles/aeration present is a key consideration in selecting the proper ultrasonic flowmeter for any flow measurement application. SmartMeasurement’s wide array of product offerings ensures that there is a suitable meter available regardless of the fluid conditions that are present in your application. For clean water applications having ≤ 1-2% solids or aeration, our ALSONIC-FX offers superior value and industry-leading prices for situations where a clamp-on ultrasonic flowmeter is called for. For clamp-on flowmeter applications having higher particle counts of up to 30%, our ALSONIC-DSP product is available in either single or dual path configurations to accommodate dirtier fluids. If a portable ultrasonic flowmeter is required, the ALSONIC-HL is available for clean liquids while the ALSONIC-DSPPL can accommodate liquids with up to 30% solids.
SmartMeasurement also has several special-situation ultrasonic flowmeters, such as the ALSONIC-EG which is a clamp-on ultrasonic flowmeter for BTU/energy measurement, or the ALSONIC-BAWM which is a low-cost inline ultrasonic flowmeter for building sub-metering and municipal applications. The ALSONIC-AVM is an area velocity meter for open channel flow measurement applications having fluid with solids counts of up to 30%. For open channel applications when an economical solution is required, the ALSONIC-DDPL and ALSONIC-DAVM are low-cost Doppler flowmeters tailored to open channel installations.
Please visit our industrial measurement applications section to find more detailed information about where our ALSONIC flow meters have been successfully used.
Request a quote on ultrasonic flow meters for your application, or contact SmartMeasurement to learn more.
SmartMeasurement™ offers non-intrusive clamp-on ultrasonic flow meters for permanent installation applications utilizing transit time or doppler technologies.
These flowmeters are available with industry standard electronic outputs and both explosion proof and non-ex transmitter configurations.
SmartMeasurement™ offers a diverse line of portable clamp-on ultrasonic flowmeters to accommodate virtually any situation. Solutions employing both transit-time and doppler technologies are available with options for SD data card and USB-based data logging as well as multi-path transducer configurations for difficult to measure fluids.
SmartMeasurement™ offers multiple solutions to fit any budget for open channel flow measurement applications. For situations calling for simplified installation or lower cost, meters employing doppler technology are available while a multi-path transit time area-velocity meter is offered for high accuracy requirements.
SmartMeasurement™ offers a comprehensive selection of ultrasonic flow measurement technologies for municipal/residential water flow and btu/energy measurement. As ultrasonic techniques become more cost effective, water utilities are replacing mechanical water meters with more efficient and maintenance free ultrasonic measurement options.
The clamp-on installation method, unique among flow metering technologies, allows ultrasonic flow meters to be used in applications where the process cannot be shut down and/or the pipe cannot be cut for installation. Clamp on flow meters also cause no pressure drop, suffer no mechanical wear and tear, allow for bidirectional measurement, and provide the ability to pass unlimited solids past the meter without damage.
Ultrasonic flow meters offer a number of advantages over other flow measuring technologies. The most distinct of these advantages is the non-invasive nature of ultrasonic measuring technique: fluid flow can be measured by clamping a pair of transducers onto the outside of the pipe without contacting the measured fluid. Learn more information for Ultrasonic Flow Meter Manufacturer
Ultrasonic flow meters use either transit time technology, which is used in over 90% of ultrasonic flow measurement applications, or a Doppler technique. Transit time technologies are constantly being enhanced with better scan time, advances in micro-processer technology, and improved algorithms. More and more applications that could once only be measured using Doppler techniques are now being monitored with transit time technology as a result of these ongoing advancements. Today, there does still exist a number of applications that only a Doppler technique can measure, although this is becoming less common over time. SmartMeasurement’s flow meter application portal has a wide variety of flow meter applications including ultrasonic flow techniques for each industry. We hope you can refer to this section to view some successful ultrasonic flow applications.
Fluid velocity is measured by sending an ultrasonic pulse from an upstream transducer to a downstream transducer and back again. These signals are emitted alternately in the flow direction and against it. As the fluid in which the signals propagate is flowing, the transit time of the ultrasonic signals in the flow direction is shorter than against the flow direction. The resulting difference in transit time, ∆t, is measured and allows the flowmeter to determine the average fluid velocity along the propagation path of the ultrasonic signals. A flow profile correction is then performed in order to obtain the area averaged flow velocity, which is proportional to the volumetric flow rate based on user-entered information about the process application.
SmartMeasurementTM’s Transit time techniques offer the widest range of prices and capabilities in the industry from liquids having 30% suspended solids or less with our AlsonicDSP product line with highest accuracies to low cost techniques capable of measuring a few percent of bubbles or particles in the flow stream. With transit time techniques SmartMeasurementTM is able to offer low cost water or BTU (energy) flow meters, to more complicated open channel flow measurement techniques. For a more detailed discussion of our ultrasonic flowmeter’s principles of operation, please visit our Ultrasonic Measuring Principle page.
Doppler ultrasonic flow meters measure velocity by sending sonic signals into the flow stream and then receiving signals reflected back from particles or bubbles entrained in the fluid. The velocity is measured as a function of the frequency shift due to the motion of these reflective materials. A pair of transducers outside the pipe, or one transducer inside of the pipe, transmits an ultrasonic signal into the moving fluid. A portion of this signal is reflected by suspended solids, entrained gases or flow turbulence back toward the transducer. Electronic circuitry compares the transmitted frequency with the received frequency. The difference, or frequency shift, is proportional to fluid velocity. When the liquid is not moving (a zero-flow condition) the transmitted and received frequencies are identical.
The SmartMeasurementTM family of clamp on Doppler ultrasonic flow meters may be used in pipes containing liquids having up to 40% particles or solids and in open channel sewer applications. Clamp-on, insertion, and inline installation methods are available for closed pipe applications. For open-channel applications, the transducer is installed at the bottom of the channel and used in conjunction with level a transmitter to measure the complete area-velocity flow profile. For a more detailed discussion of our ultrasonic flowmeterss principles of operation, please visit our Ultrasonic Measuring Principle page.
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