It is a handheld measurement system which is both easy to install and use. The system monitors flow nonintrusively through most standard pipes. Doppler ultrasonic flow meters are regarded as an old technology offering much poorer accuracies than transit time flow meters. Ultrasonic flow meter manufacturers, suppliers and exporters. Ultrasonic flowmeters flow measurement ultrasound free. Flow measurement is the quantification of bulk fluid movement. The fd610 series utilizes a noninvasive clampon transducer which is placed on the outside of a pipe. This information is processed and converted to an average flow velocity and is applied to the respective pipe size id selected by the operator to calculate a. Datasheet ufm55 draagbare ultrasone clampon flowmeter doppler. The doppler flow meter features clampon transducers and a rugged nema 4x enclosure, and is a longterm, maintenance free solution for your highsolid flow measurement requirements. Water coupled transducers for ultrasonic flow metering. This instrument is easy to use and report an accurate liquid flow rate. The global water fm500 ultrasonic flow meters provide accurate and trouble free flow metering for a wide range full pipe applications including. Ultrasonic flow meter flow knowledge keyence america.
Combined with the costeffective prosonic flow 91 transmitter with push buttons, prosonic flow 91w is ideally suited for flow monitoring in the water industry. The dynasonics dtfxl series ultrasonic flow meter measures water flow in a wide variety of pipe sizes and pipe materials, using clampon sensors that attach to the outside of the pipe. The uls1a portable doppler flow velocity tester is used to test the fluids flow velocity, its designed according to the doppler effect principle. The prosonic flow w clampon sensor is specially designed for water and wastewater applications. An example of this doppler effect is similar to a train whistle increasing in pitch as the train approaches, and decreasing in pitch as the train moves away.
This ultrasonic water flow measurement system is ideal for providing highly accurate measurement across wide flow ranges as low as 1. Unlike most flow meters, ultrasonic meters do not include any moving parts and thus are more reliable, accurate and provide maintenance free operation. The design is based on a single mcu with discrete analog components. The meter s clampon design allows quick and lowcost installation, and eliminates. While doppler flowmeters remain an excellent solution for dirty liquids, transit time flowmeters. Note the abovementioned flow rates have been calculated for the sus sch. If you need a flow meter but dont want to cut or invade your pipes, the ultrasonic flow meter is for you. Unlike other acoustic flow meters, doppler meters are affected by changes in the liquids sonic velocity. Ultrasonic flow meters are sensors with electrical transmission output. Features of the compuorz doppler ultrasonic flow meter the doppler flow meter features. Fundamentals of engineering electronics free pdf b. There are options of clamp on flowmeters for the ideal use of clean liquids containing no air bubbles such as.
The pf330 can display instantaneous fluid flow rates or velocity, together with totalised values. The meters clampon design allows quick and lowcost installation, and eliminates. Downloads ultrasone flowmeter datasheets en meer ufm b. The ultrasonic flow meter operates on the principle that the velocity of the sound in a fluid in motion is the resultant of the velocity of sound in the fluid at rest plus or minus the velocity of the fluid. Ultrasonic flowmeters are ideal for wastewater applications or any dirty liquid which is conductive or water based. Eesiflo doppler flow meters have been installed in many locations for more than a decade. Measurements from external devices such as rtds and pressure transmitters can be logged along with flow data. Introduction sound generated above the human hearing range typically 20 20 khz is called ultrasound. An ultrasonic flow meter uses sound waves above human hearing levels to measure flow rates in liquids and gases. The world market for ultrasonic flowmeters, 5 edition. Get contact details, profile of companies dealing in wide range of ultrasonic flow meter as per your purchase requirement. Hydrovision gmbhnoncontact radar flow meter qeye radar mt. By employing the latest digital signal processors, these robust measurement flow meters are extremely accurate and drift free. The flow path is designed to minimise pressure drop and, having no moving parts within, will not clog or jam.
The most popular form of this utilises the principle known as either transit time or time of flight. The unit is available with a pnp pulsed open collector open drain, npn pulsed, analogue 420ma or 05v output, selectable by cable connection. Flow meter setup for time of flight flow metering measuring the flow of clean liquid can be achieved by mounting transducers at an angle, by reflective blocks, or by channelling the flow stream between the sensors. There are several ultrasonic flow measurement technologies available in the market which include transit time flowmeters and doppler meters but the most popular technology by far is the transit time method. Teksco compuflow ultrasonic flow meter ultrasonic flow. Using ultrasonic transducers, the flow meter can measure the average velocity along the path of an emitted beam of ultrasound, by averaging the difference in measured transit time between the pulses of ultrasound propagating into and against the direction of the flow. Ultrasonics flowmeters will generally not work with distilled water or drinking water. Connect the usb output directly to your pc or laptop to download data. Global water fm500 ultrasonic flow meter ultrasonic clampon flow meters that use transit time and doppler methods to measure flow.
Ultrasonic flowmeters free download as powerpoint presentation. This change in frequency is the doppler shift and is directly proportional to the flow velocity or particle velocity carried by the liquid flow. When combining both radar and water level transmitter, they provide a. Ultrasonic doppler flow meters includes fixed doppler flow switch,portable doppler flow meter,ideal for dirty liquid.
Ultrasonic flow meter coriolis flowmeter, air and gas. Sanitary detector for liquid food flow measurement. Dynasonics ultrasonic meters measure flow rate by propagating ultrasound waves into liquidfilled pipes and measuring the reflections. Control electronics series cps460 ultrasonic doppler flowmeter is a highly accurate, noncontacting liquid flow measuring device. Ultrasonic doppler flow meter ultrasonic flow meter. Flow meter resources flow meter application advisor. Uls1a handheld ultrasonic doppler flow velocity meter.
Because the sensor of the ufm50 is mounted on the exterior of the pipe or tube, it can not be affected by the medium inside. Greyline doppler flow meters monitor the flow rate of dirty or. Fdt21 ultrasonic flow meter is designed to measure the fluid velocity of liquid in a fullclosed pipe. Micronics flow meters design, manufacture and market clampon ultrasonic liquid flow measurement meters as both portable instruments and fixed applications. Flow mode displays the flow rate in engineering units e. The large easytoread color display and intuitive touch screen interface makes set up quick and easy. With clampon technology, these ultrasonic meters reside outside the pipe and bring you flow measurement with. Micronics ultrasonic flow meters are widely used in the energy management and retrofit building services markets around the world to help reduce energy consumption and monitor water use. Press the to store your selection then the to the next menu item and to enter. Dxn hybrid flow and energy meter kit our most versatile flow meter, the dxn measures flow with transit time and doppler technology.
It uses a unique propriety algorithm that improves robustness and performance in flow measurement across wide range of operating conditions. Dynasonics series dfx ultrasonic doppler flow meters. Ultrasonic flowmeter for liquid process applications. Micronics flow meters ultrasonic clampon, and fixed flow. A doppler ultrasonic flow meter uses a transducer to emit an ultrasonic beam into the stream flowing through the pipe. These problems make doppler flowmeters unsuitable for highly accurate measurement applications. The compuflow doppler ultrasonic flow meter measures flow velocity by sensing signals from reflective materials within a liquid flowing in the pipe. The fdt21 operates according to the difference in the transit time of flight measured, and determines the flow velocity by measuring the travel time of a pulse from. Retrieve data logs with greyline logger software included free with each pdfm 5. There are two technologies to choose from based on the fluid propertiestransit time and doppler.
We can measure the flow of of liquids and gases in almost all branches of industry, in small and large. Global water fm500 ultrasonic flow meter xylem analytics. Find how a ultrasonic flow meter works on this link. Proline prosonic flow 91w ultrasonic flowmeter endress. The flow rate range may differ slightly, depending on the piping standard. The fd610 series ultrasonic flow meter features advanced transphase measuring technology, providing accurate and reliable flow velocity assessments in closed piping systems. Ultrasonic flow meters utilize sound waves to measure the velocity of a fluid from which the volumetric flow rate can be calculated. Available in fixed or portable models, the compuflow uses clampon or insertion sensors and is best suited for flow measurement of high particulate liquids in pipes or open channels. There are several ultrasonic flow measurement technologies available in the market which include transit time flowmeters and doppler meters but the. As a result, the meter is also sensitive to changes in density and temperature. Compuflow c6 portable doppler ultrasonic flow meter. If the distance between the two transducers l is known, then by driving transducer 1 and monitoring the time it. Sewer system flow meter and totalizer for open channel flows. Ultrasonic is designed to measure the fluid velocity of liquid within a closed conduit.
An example of this doppler effect is similar to a train whistle increasing in pitch as the train approaches, and. Business listings of ultrasonic flow meter manufacturers, ultrasonic flowmeter suppliers and exporters. To deal with complex liquid flow patterns in such a way that an accurate measure of total flow is obtained despite the complexity, manufacturers of ultrasonic. The meters are easy to operate and are ideal for any flow measurement situation. An additional type of flow meter technology uses an ultrasonic sensor. Series dfx ultrasonic doppler flow meters measure flow of liquids that contain useful sonic reflectors suspended within the liquid.
Ultrasonic flow meters that use transit time and doppler methods to measure flow. Panametrics portable pt900 ultrasonic flow meter the panametrics pt900 is the latest generation of portable ultrasonic clamp on flowmeter from panametrics, it is designed to withstand rugged use in industrial applications. And by utilizing the properties of ultrasonic waves clamp on flowmeters with unique feature of being able to measure fluid flow in the pipe externally was. Transit time and doppler flowmeters one important issue is the contrast in growth between transit time and doppler flowmeters. These sophisticated instruments automatically adjust filtering and gain settings to produce reliable readings in a wide range of liquid and reflector conditions. A presentation on ultrasonic flowmeter authorstream. The teksco compuflow is an ultrasonic doppler flow meter that combines ease of use with accuracy and simple setup. Ultrasonic water flow measurement reference design. The fd400 series ultrasonic doppler flowmeters measure the flow of liquids that contain sound reflectors, suspended solids, or gas bubbles larger than 100 microns. The sound will be reflected by the the reflectors and recorded by the receiving transducer.
What is nonintrusive ultrasonic flow meter technology. The world market for ultrasonic flowmeters, 5th edition flow research, inc. The dfx flow meter operates by transmitting ultrasonic waves into the flow stream and measuring the frequency shift of the reflected wave. The pf330 can display instantaneous fluid flow rates or. An ultrasonic flow meter is a type of flow meter that measures the velocity of a fluid with ultrasound to calculate volume flow. The instrument has auto sensor recognition, waterproof ip68 connectors, sensor position auto guide, peek sensors with stainless housing, built in data logger, analog and digital. The suspended particles must reflect ultrasonic energy. We specialise in measuring the flow of a liquid in a pipe by using clamp on strap on sensors. Utilizing advanced dsp technology, the micronics portaflow pf330 ultrasonic liquid flow meter is the latest portable flow measurement and recording system to be added to the micronics range of equipment. An ultrasonic flowmeter nonintrusive doppler flow meters is a volumetric flow meter which requires particulates or bubbles in the flow. These are high frequency sensors that penetrate through the pipe wall and the liquid to determine the fluid velocity, flow rate and total. The qstar ultrasonic flow meter uses the proven and highly precise ultrasonic transit time difference method.
For the flow meter to operate, there must be solid particles or air bubbles in the stream to reflect the ultrasonic beam. The dfx flow meter operates by transmitting an ultrasonic sound from its transmitting transducer through the pipe wall into the flowing liquid. This noninvasive, noncontact flow meter provides instantaneous flow rate and accumulated flow and provides a 420 ma output as well as pulse outputs. The dfx ultrasonic doppler flow meter measures flows of liquids containing suspended particles or aerated liquids. Flow knowledge is a website that contains a wealth of information on flow meters and flow sensors. This means no maintenance, no contamination of the sensor, no obstruction to the free flow of the liquid, no pressure loss, no corrosion and no pipes that need to be opened for the installation of measuring equipment. Introduces flow meter types and principles explains ultrasonic flow meters. Flow measurement and control aqua nederland vakbeurs.
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