The suspended particles must reflect ultrasonic energy. Dynasonics series dfx ultrasonic doppler flow meters. It is a handheld measurement system which is both easy to install and use. 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. Sewer system flow meter and totalizer for open channel flows. Uls1a handheld ultrasonic doppler flow velocity meter. 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. Retrieve data logs with greyline logger software included free with each pdfm 5. We can measure the flow of of liquids and gases in almost all branches of industry, in small and large. The meters clampon design allows quick and lowcost installation, and eliminates. Unlike other acoustic flow meters, doppler meters are affected by changes in the liquids sonic velocity. The flow rate range may differ slightly, depending on the piping standard.
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 ultrasonic water flow measurement system is ideal for providing highly accurate measurement across wide flow ranges as low as 1. Hydrovision gmbhnoncontact radar flow meter qeye radar mt. Flow meter resources flow meter application advisor. With clampon technology, these ultrasonic meters reside outside the pipe and bring you flow measurement with. Flow measurement is the quantification of bulk fluid movement.
The world market for ultrasonic flowmeters, 5th edition flow research, inc. This noninvasive, noncontact flow meter provides instantaneous flow rate and accumulated flow and provides a 420 ma output as well as pulse outputs. Ultrasonic flowmeters free download as powerpoint presentation. Teksco compuflow ultrasonic flow meter ultrasonic flow. Press the to store your selection then the to the next menu item and to enter. Ultrasonic flow meters utilize sound waves to measure the velocity of a fluid from which the volumetric flow rate can be calculated. Datasheet ufm55 draagbare ultrasone clampon flowmeter doppler. A presentation on ultrasonic flowmeter authorstream. What is nonintrusive ultrasonic flow meter technology. The unit is available with a pnp pulsed open collector open drain, npn pulsed, analogue 420ma or 05v output, selectable by cable connection. Dxn hybrid flow and energy meter kit our most versatile flow meter, the dxn measures flow with transit time and doppler technology.
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. Ultrasonic is designed to measure the fluid velocity of liquid within a closed conduit. Ultrasonic flow meter coriolis flowmeter, air and gas. Control electronics series cps460 ultrasonic doppler flowmeter is a highly accurate, noncontacting liquid flow measuring device. These problems make doppler flowmeters unsuitable for highly accurate measurement applications. If you need a flow meter but dont want to cut or invade your pipes, the ultrasonic flow meter is for you. Note the abovementioned flow rates have been calculated for the sus sch. 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. An ultrasonic flowmeter nonintrusive doppler flow meters is a volumetric flow meter which requires particulates or bubbles in the flow. Business listings of ultrasonic flow meter manufacturers, ultrasonic flowmeter suppliers and exporters.
The teksco compuflow is an ultrasonic doppler flow meter that combines ease of use with accuracy and simple setup. Ultrasonic flow meter flow knowledge keyence america. 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. Micronics flow meters design, manufacture and market clampon ultrasonic liquid flow measurement meters as both portable instruments and fixed applications.
The compuflow doppler ultrasonic flow meter measures flow velocity by sensing signals from reflective materials within a liquid flowing in the pipe. The flow path is designed to minimise pressure drop and, having no moving parts within, will not clog or jam. Ultrasonic flow meters that use transit time and doppler methods to measure flow. Ultrasonic doppler flow meter ultrasonic flow meter. There are several ultrasonic flow measurement technologies available in the market which include transit time flowmeters and doppler meters but the. Combined with the costeffective prosonic flow 91 transmitter with push buttons, prosonic flow 91w is ideally suited for flow monitoring in the water industry. An ultrasonic flow meter uses sound waves above human hearing levels to measure flow rates in liquids and gases. 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. 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. The system monitors flow nonintrusively through most standard pipes. The global water fm500 ultrasonic flow meters provide accurate and trouble free flow metering for a wide range full pipe applications including. The meters are easy to operate and are ideal for any flow measurement situation. When combining both radar and water level transmitter, they provide a. The design is based on a single mcu with discrete analog components.
Ultrasonics flowmeters will generally not work with distilled water or drinking water. 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 world market for ultrasonic flowmeters, 5 edition. Micronics flow meters ultrasonic clampon, and fixed flow. Series dfx ultrasonic doppler flow meters measure flow of liquids that contain useful sonic reflectors suspended within the liquid. An example of this doppler effect is similar to a train whistle increasing in pitch as the train approaches, and. Global water fm500 ultrasonic flow meter ultrasonic clampon flow meters that use transit time and doppler methods to measure flow. Ultrasonic flow meter manufacturers, suppliers and exporters.
Measurements from external devices such as rtds and pressure transmitters can be logged along with flow data. 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. Features of the compuorz doppler ultrasonic flow meter the doppler flow meter features. A doppler ultrasonic flow meter uses a transducer to emit an ultrasonic beam into the stream flowing through the pipe. The fd400 series ultrasonic doppler flowmeters measure the flow of liquids that contain sound reflectors, suspended solids, or gas bubbles larger than 100 microns. It uses a unique propriety algorithm that improves robustness and performance in flow measurement across wide range of operating conditions. Get contact details, profile of companies dealing in wide range of ultrasonic flow meter as per your purchase requirement. The prosonic flow w clampon sensor is specially designed for water and wastewater applications. Connect the usb output directly to your pc or laptop to download data. The dfx flow meter operates by transmitting ultrasonic waves into the flow stream and measuring the frequency shift of the reflected wave. Eesiflo doppler flow meters have been installed in many locations for more than a decade. Flow measurement and control aqua nederland vakbeurs. Dynasonics ultrasonic meters measure flow rate by propagating ultrasound waves into liquidfilled pipes and measuring the reflections.
Fdt21 ultrasonic flow meter is designed to measure the fluid velocity of liquid in a fullclosed pipe. We specialise in measuring the flow of a liquid in a pipe by using clamp on strap on sensors. Flow mode displays the flow rate in engineering units e. The uls1a portable doppler flow velocity tester is used to test the fluids flow velocity, its designed according to the doppler effect principle. 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. 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. The pf330 can display instantaneous fluid flow rates or velocity, together with totalised values. Greyline doppler flow meters monitor the flow rate of dirty or. The most popular form of this utilises the principle known as either transit time or time of flight. 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. The large easytoread color display and intuitive touch screen interface makes set up quick and easy. Ultrasonic flowmeters flow measurement ultrasound free. As a result, the meter is also sensitive to changes in density and temperature.
Ultrasonic flowmeter for liquid process applications. 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. Downloads ultrasone flowmeter datasheets en meer ufm b. Ultrasonic water flow measurement reference design. Water coupled transducers for ultrasonic flow metering. Introduces flow meter types and principles explains ultrasonic flow meters.
Find how a ultrasonic flow meter works on this link. 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. An additional type of flow meter technology uses an ultrasonic sensor. Doppler ultrasonic flow meters are regarded as an old technology offering much poorer accuracies than transit time flow meters.
Unlike most flow meters, ultrasonic meters do not include any moving parts and thus are more reliable, accurate and provide maintenance free operation. The meter s clampon design allows quick and lowcost installation, and eliminates. Transit time and doppler flowmeters one important issue is the contrast in growth between transit time and doppler flowmeters. 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. Fundamentals of engineering electronics free pdf b.
Sanitary detector for liquid food flow measurement. While doppler flowmeters remain an excellent solution for dirty liquids, transit time flowmeters. The pf330 can display instantaneous fluid flow rates or. 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. 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. Ultrasonic flow meters are sensors with electrical transmission output. Introduction sound generated above the human hearing range typically 20 20 khz is called ultrasound. The sound will be reflected by the the reflectors and recorded by the receiving transducer.
Global water fm500 ultrasonic flow meter xylem analytics. There are options of clamp on flowmeters for the ideal use of clean liquids containing no air bubbles such as. An ultrasonic flow meter is a type of flow meter that measures the velocity of a fluid with ultrasound to calculate volume flow. This change in frequency is the doppler shift and is directly proportional to the flow velocity or particle velocity carried by the liquid 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. This instrument is easy to use and report an accurate liquid flow rate. By employing the latest digital signal processors, these robust measurement flow meters are extremely accurate and drift free. 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. The fd610 series ultrasonic flow meter features advanced transphase measuring technology, providing accurate and reliable flow velocity assessments in closed piping systems. These sophisticated instruments automatically adjust filtering and gain settings to produce reliable readings in a wide range of liquid and reflector conditions. Ultrasonic doppler flow meters includes fixed doppler flow switch,portable doppler flow meter,ideal for dirty liquid. Proline prosonic flow 91w ultrasonic flowmeter endress.