Katronic specialises in clamp on ultrasonic flow meters and noninvasive process measurement instrumentation with modern electronics and sensor technology. Ultrasonic flow meter flow meter clamp on sensor dn50700mm tds100hm2 ultrasonic flow meter features. The battery operated portable meter utilizes clamp on transducers to measure flow through the pipe wall. Tds100 series ultrasonic flow meters ultrasonic heat meters ultrasonic industrial water meter use lowvoltage and. But ultrasonic flowmeters are also widely used to measure liquids. Honeywells versaflow clampon ultrasonic flow meter operates using transit time measurement. Manas have now introduced a new clamp type ultrasonic flow meter. Compare compare daniel, usm341204 junior sonic gas usm flow meter, 2 path, 4 inch. As the technology and market leader in the field of clamp on ultrasonic flowmeters and real time concentration and density monitoring as well as advanced process analytics using clamp on ultrasound and inline refractometry, flexim offers the best measurement solutions for any application and media in.
The global water fm500 ultrasonic flow meters provide accurate and trouble free flow metering for a wide range full pipe applications including. Both wetted sensor and clampon meter types send ultrasonic pulses across the gas stream at an angle to sense the flow field. Micronics specialise in transit time ultrasonic clamp on noninvasive flow meters. What is nonintrusive ultrasonic flow meter technology. Oct 14, 2016 before taking a measurement, the ultrasonic flow meter will guide you to the audible sensor positioning assistant. Panametrics clamp on flow ultrasonic next generation xmt transmitter the xmt is a new, costeffective ultrasonic.
Ultrasonic liquid clampon flow meters industrial piping. Thi s technical note was a compilation of the technology and discussed how the usms worked, and is included as appendix c in the 2007 edition, but it is deleted from the upcoming revision since most of the principles described in it have been adapted to the reports text. Portable ultrasonic flowmeter ideal for multipoint measurement in the field. Comprehensive flow control knowledge located in one complete resource further your understanding of flow control, from understanding different technologies to learning how to properly select a flow monitoring device for any scenario. Pdf a new calibration method for ultrasonic clampon flowmeters. Micronics flow meters ultrasonic clampon, and fixed flow. The ultrasonic waves strike particles moving through the sound field at velocity vp. The fd610 series utilizes a noninvasive clamp on transducer which is placed on the outside of a pipe. Remote condition monitoring of daniel ultrasonic meter extends calibration cycles and minimizes production delays. The basic operation of an ultrasonic meter is relatively simple.
Ultrasonic flow meter introduction omega engineering. Siemens sitrans fst020 clampon ultrasonic flowmeter. The noninvasive sensor has no contact to the medium and is particularly suited for applications with strict hygienic standards. Final report on clampon transit time ultrasonic flowmeter. We specialise in measuring the flow of a liquid in a pipe by using clamp on strap on sensors. By using the high performance msp430fg4618 microprocessor made by taxes instruments, it is intend to provide our customers with lower cost but of high performance general purpose ultrasonic flow meter heat meter ultrasonic flow converter. Clamp on ultrasonic flow meters come in either single or dualsensor versions. Onicon f4000 series ultrasonic flow meters utilize the.
There are two technologies to choose from based on the fluid propertiestransit time and doppler. With this technology, ultrasonic waves transmit upstream and downstream through the pipe wall and liquid flowing in the pipe. This tool will enable you to find the optimum location for the transducers. As a result, the ultrasonic signals now have different transit times less time in the direction of flow and more time against the flow. Clamp on ultrasonic flow meters are valuable tools for helping district energy providers, building owners and managers. The new clamp on transducers produce clean, coded signals with very minimal background noise. Ultrasonic flow meter clampon ultrasonic flow meter. Operating instructions for sitrans fst020 ip65 nema 4x flow meter. Versaflow ultrasonic clampon flowmeter specifications. Flow measurement sitrans f s clamp on ultrasonic flow sensor sitrans fss200 3 update 022020 sitrans meter family description sitrans fs230 clamp on flowmeters the fs230 system is a basic function, permanent or dedicated clamp on meter that is available with a full range of safety approvals and ios. Flow measurement technology badger meter europa flow. Non invasive ultrasonic flow meters clampon ultrasonic.
Ultrasonic 20 khz to flow meter electronics piezioelectric crystal tuning network 160 khz to 4 mhz depending on wall thickness principles of operation. Clamp on ultrasonic gas flow meters ultrasonic flow meter hire. Fundamental principles of clampon ultrasonic flow meters. Portable instrument for noninvasive, quick ultrasonic flow measurement with clamp on technology for all types of piping features precise bidirectional and highly dynamic flow measurement with the nonintrusive clamp on technology high precision at fast and slow flow rates, high tem. Panametrics ultrasonic clampon liquid flow meter for. A combination of the latest electronics and digital signal processing technologies enables the instrument. Fundamental principles of clampon ultrasonic flow meters iceweb. The sensors measure flow by transmitting and receiving ultrasonic signals directly through the pipe wall and the medium. Therefore, the differential transit time measured by the sensors is directly proportional to the flow velocity in the pipe and thus to the flow volume. The ultrasonic flow meter is simple to install and is able to produce highly accurate readings helping the user to save money. The sitrans fs230 digital clamp on ultrasonic flow meter is a processoptimizing solution for measuring flow in virtually any liquid application. Daniel 3818 eightpath liquid ultrasonic flow meter for lng. What are the advantages of using an ultrasonic flow meter. This makes it suitable for virtually any liquid, even those with high aeration or suspended solids.
Ultrasonic clampon gas flow meters and liquid flowmeters. The meter formula of an ultrasonic flowmeter includes an acoustic calibration factor. Comprehensive flow control knowledge located in one complete resource further your understanding of flow control, from understanding different technologies to learning how to properly select a flow. Clamp on type ultrasonic flow meter manas microsystems. The flow meter unit utilizes two transducers that functions as both ultrasonic transmitter and receiver. This section summarizes the principles and features of ultrasonic flow meters. Pdf the paper discusses the results of laboratory and field measurements. Ultrasonic flow meters are affected by the acoustic properties of the fluid and can be impacted by temperature, density, viscosity and suspended particulates depending on the exact flow meter. It is designed for use with pipes ranging from 2 through. Ultrasonic flow meters easytouse clamp on flowquip. Rs232oct output nimh battery life for up to 12 hours continuous operation. The ultrasonic flow meter provides numerous advantages over other types of flow measuring meters. Ultrasonic clamp on flow meter to verify the accuracy of the instrument against an inline reference instrument. Honeywells versaflow clamp on ultrasonic flow meter operates using transit time measurement.
The ufm is a clampon, ultrasonic flowmeter that uses a multiple slope transit time algorithm to provide accurate flow measurements. Global water fm500 ultrasonic clampon flow meter xylem. Siemens sitrans fst020 clampon ultrasonic flowmeter user. Time deltac advanced type offers consumed energy calculation, 2 pipe measurement, 2path measurement for 1 pipe. Two major subtypes of ultrasonic flow meters exist. The flowmeters consists of a combination of one or two versaflow clamp on sensors and one tws9000 ultrasonic flow converter. There is no need to change the meter when operating conditions change. Compare compare daniel 3804 electronics ultrasonic flow meter transmitter. This ultrasonic meter allows you to measure the flow rate of liquids with particulate or bubbles by selecting doppler technology or clean liquids by selecting transit time technology. Oct 16, 2014 principle doppler flow meters operate similarly to the radar speed traps used on the road.
In difficult times likes this katronic want to assure you that the offices are still open for business. Sonoflow sensors clampon flow sensors using ultrasound. Testing was carried out over a range of water flow rates using multiple pipe sizes and. Versaflow ultrasonic clamp on flowmeter 2 versaflow variants the versaflow is an ultrasonic clamp on flowmeter that can be fitted on the outside of piping to measure the flowrate of liquids.
High temperature and cryogenic versions, variants for high pressure and higher viscosities. Measurement of gas flow rates using ultrasonic transit time meters is an established technique. Micronics flow meters design, manufacture and market clamp on ultrasonic liquid flow measurement meters as both portable instruments and fixed applications. Global water fm500 ultrasonic flow meter ultrasonic clamp on flow meters that use transit time and doppler methods to measure flow. A clamp on ultrasonic flowmeter for gases a clamp on ultrasonic flowmeter for gases d espite the industrial success of clamp on ultrasonic flowmeters for liquid measurement, it has long been accepted as if it were a fundamental limit imposed by nature, that this technology could not be used to measure the flow of gases in metal pipes. How to install clampon ultrasonic flow meters faqs. Ultrasonic contrapropagation methods have been used to measure the flow of natural gas since the 1970s, flare gases since the 1980s, and smokestack gases in cem continuous emissions monitoring since the 1990s. With clamp on technology, these ultrasonic meters reside outside the pipe and bring you flow measurement with. Clamp on flowmeters are becoming more and more popular due to the fact that they are easy to install since it is not necessary to cut a pipe or stop a process to obtain accurate flow measurements. Flowquip offer a wide range of ultrasonic flow meters and clamp on meters which are available for sale or hire. Since the early 2000s, ultrasonic clamp on flow measurements, previously restricted mainly to liquids, were found.
Our clamp on type ultrasonic flowmeter ul330 is timeflight type flowmeter and capable of measuring a flow rate of metallic and plastic piping ranging from 25 to 400 mm in nominal diameter. Pdf field and lab experience with clampon acoustic flow meters. Portable ultrasonic flow meter the fd610 series ultrasonic flow meter features advanced transphase measuring technology, providing accurate and reliable flow velocity assessments in closed piping systems. Fundamental principles of clamp on ultrasonic flow meters overview of selection, installation, operation and maintenance of clamp on meters.
Pdf ultrasonic clampon flowmeters basically provide noninvasive flow. Dynasonics ultrasonic meters measure flow rate by propagating ultrasound waves into liquidfilled pipes and measuring the reflections. At this point it will give the user a graphical indication of signal strength, signal quality and a recommended sensor spacing. Ceesi measurement services garner, iowa this paper is aimed at ultrasonic natural gas meters that use transit time across the gas pipe as the measurement variable. Positivenegativenet floe totaliser 4 line lcd display. Ultrasonic flow meter works on the transit time or time of flight principle. The sitrans fs230 digital clamp on ultrasonic flowmeter is a processoptimizing solution for measuring flow in virtually any liquid application. Ultrasonic flowmeters are ideal for wastewater applications or any dirty liquid which is conductive or water based. On the other hand field tests with the catt flow meter were executed in the hydro.
How the flow rate is determined varies depending on the nature of the application. F4400 portable clampon ultrasonic flow meter catalog. This transmission goes first from the downstream transducer to the. The noncontact ultrasonic flow meter is a noninvasive flow meter available in two formats. Flow meters for every industry and medium by use of ultrasound and without media contact.
Designed to provide both exceptional performance and outstanding cost savings, the fs230 is an ideal fit for many industries requiring highquality liquid flow measurement. Because in most cases the transducers are placed on the outside, they do not come in contact with the. Ultrasonic flowmeters fst020 ip65 nema 4x operating instructions 22014 a5e03086487ah introduction 1 safety notes 2 description 3 installingmounting 4. Find how a ultrasonic flow meter works on this link. It is suitable for measuring the volumetric flow of liquids in a wide variety of applications including bidirectional flow applications. The flow of fluid is measured by clamping a set of transducers on a pipe. When contact with the measured fluid is not possible, ultrasonic clamp on flow meters are the equipment of choice.
These meters are installed on the outside of the existing piping and use the ultrasonic transit time method to determine the flow rate. With the appropriate reynolds correction they are able to measure both water based liquids. Since many years, clampon ultrasonic flow meters have been available on the. These are high frequency sensors that penetrate through the pipe wall and the liquid to determine the fluid velocity, flow rate and total. The technology has inherent advantages over alternate devices including. Ultrasonic flow meter ultrasonic meters are velocity meters by nature. Clamp on ultrasonic flow meter the flow meters are ideal for processcontrol or flow measurement at fixed locations.
From clamp on devices to multipath inline flowmeters. The fdt500 series uses transit time ultrasonic technology in which the signal is transmitted and received alternately between 2 flow sensors and the time of flight determines the flow rate. Before taking a measurement, the ultrasonic flow meter will guide you to the audible sensor positioning assistant. By adopting a dsp and an ad converters, the flow measurement. Their noninvasive nature makes them indispensable in applications such as chemical liquid processing, hygienic process monitoring, high pressure flow measurement, etc. Tds100hm2 ultrasonic flow meter flow meter clamp high quality. The fastest growing flow technology, flowquip offer a wide range of ultrasonic flow meters from leading manufacturers such as katronic and ge panametrics, this allows us to specify the best flow meter for your application. Comprehensive portfolio for gases, liquids and steam. In recent years the use of noninvasive clamp on flow meters has. The battery operated portable meter utilizes clampon. The at868 clamp on ultrasonic flow meter combines state of the art ultrasonic flow measurement capability with a lowcost transmitter package that can be installed right at the process measurement point.
Micronics meters flow meters ultrasonic flow meter. Clamp on ultrasonic flow meter sitrans fus1010, the most versatile clamp on ultrasonic flow meter available, can operate in either widebeam transit time or doppler mode. Its designed specifically for water and wastewater applications in full pipes. An emitter sends ultrasonic waves at frequency f1 approx. The slf series of liquid clamp on ultrasonic flowmeters are an ideal solution for applications where you would prefer not to break the line, for corrosive fluids where material compatibility is an issue, for high pressure, and for sanitary environments.
Ultrasonic flow measurement by gertrudys adkins, ph. By measuring the time it takes a sonic signal to travel a known distance with the flow stream and another signal travelling against the flow stream, it determines the velocity of the fluid being measured. Fdt40e series ultrasonic flow and energy meters clamp on to the outside of pipes and do not come in contact with the internal liquid. A clamp on ultrasonic flow meter consists of at least two ultrasonic sensors mounted externally to a pipe. A clamp on ultrasonic gas flow meter produces signals that are five to ten times more powerful than those of traditional ultrasonic transducers. A detector an ultrasonic sensor is mounted outside an existing piping by clamping method, so that it. In recent years the use of noninvasive clamp on flow meters has gained ground. Features the sensor of ultrasonic flowmeter ul330 is clamped on just outside of an existing pipe without any piping modification and time consuming installation work. Even though there are several designs of ultrasonic meters on the market today, the principle of operation remains the same. The main advantage provided is ultrasonic measurements are noninvasive. For process and utility applications, energy and custody transfer ct measurements. The ufm is a clamp on, ultrasonic flowmeter that uses a multiple slope transit time algorithm to provide accurate flow measurements. Ultrasonic flow meter measure fluid velocity by passing highfrequency sound waves along the fluid flow path fluid motion influences the propagation of these sound waves, which may then be measured to infer fluid velocity.
Homogenous fluids, as well as, advanced digital signaling can eliminate many of the problems associated with noise and variations in liquid chemistry. Ultrasonic clampon gas flow meters and liquid flowmeters as. Ultrasonic flow meters have among their useful characteristics, zero excess pressure drop, no moving parts and hence, little or no maintenance in many applications, bidirectionality, linearity transittime ultrasonic flow meters, when applied to fluids of sufficiently high acoustic impedance z, use two clamp on or wetted transducers. Flow l x d transducer 2 transducer 1 figure 1 ultrasonic flow meter ultrasonic meters are velocity meters by.
The batterypowered transmitter comes in the users choice of an integrally mounted display or a remotemount version. The clamp on mounting concept eliminates any risk of contamination or leaking. Clamp on type ultrasonic flow meter industrial flow meters. Clamp on ultrasonic flow meter brochures, manuals, and videos. Onicon f4400 portable clamp on ultrasonic flow meter is the ideal tool for testing and validating flow.
Ip 67 mini usb interface, ethernet, modbus rs485rs422. Non invasive flow meters we offer a range of fixed and portable noninvasive ultrasonic flow meters with transit time for clean liquids or doppler technologies for dirty aerated liquids as well as hybrid ultrasonic meters which combine both principals. The application of clampon ultrasonic flowmeters in production. In the singlesensor version, the transmit and receive crystals. An ultrasonic beam of a given frequency is generated by applying a repetitive voltage pulse to the transducer crystals.
Both technologies feature clamp on designs with transducer arrangements that can detect insitu flow rates from outside the pipework, without any interruption to flow or process. Ultrasonic clampon technology flow measurement from outside. Ultrasonic flow measurement for natural gas applications ref2. There are, of course, limitations in such measurement, which we will explore a little more. Development of a computer interface for a clampon ultrasonic flow. The application of clampon ultrasonic flowmeters in. Ultrasonic flow meter flow knowledge keyence america. The clamp on ultrasonic flow meter of the fdt40 series do not come in contact with the internal liquid. An ultrasonic flowmeter nonintrusive doppler flow meters is a volumetric flow meter which requires particulates or bubbles in the flow. By measuring the difference between transit times of ultrasonic sound waves travelling between two transducers, the flow velocity and direction are accurately determined.
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