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. Non invasive ultrasonic flow meters clampon ultrasonic. 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. Even though there are several designs of ultrasonic meters on the market today, the principle of operation remains the same. A detector an ultrasonic sensor is mounted outside an existing piping by clamping method, so that it. 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. These meters are installed on the outside of the existing piping and use the ultrasonic transit time method to determine the flow rate.
From clamp on devices to multipath inline flowmeters. This section summarizes the principles and features of ultrasonic flow meters. Ip 67 mini usb interface, ethernet, modbus rs485rs422. The ufm is a clamp on, ultrasonic flowmeter that uses a multiple slope transit time algorithm to provide accurate flow measurements. Development of a computer interface for a clampon ultrasonic flow. These are high frequency sensors that penetrate through the pipe wall and the liquid to determine the fluid velocity, flow rate and total. Ultrasonic 20 khz to flow meter electronics piezioelectric crystal tuning network 160 khz to 4 mhz depending on wall thickness principles of operation. 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. Clamp on ultrasonic flow meter the flow meters are ideal for processcontrol or flow measurement at fixed locations. Clamp on ultrasonic flow meters come in either single or dualsensor versions. 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. The noncontact ultrasonic flow meter is a noninvasive flow meter available in two formats. Onicon f4000 series ultrasonic flow meters utilize the. It is designed for use with pipes ranging from 2 through.
Designed to provide both exceptional performance and outstanding cost savings, the fs230 is an ideal fit for many industries requiring highquality liquid flow measurement. A combination of the latest electronics and digital signal processing technologies enables the instrument. It is suitable for measuring the volumetric flow of liquids in a wide variety of applications including bidirectional flow applications. Rs232oct output nimh battery life for up to 12 hours continuous operation.
How the flow rate is determined varies depending on the nature of the application. In recent years the use of noninvasive clamp on flow meters has gained ground. Flow meters for every industry and medium by use of ultrasound and without media contact. Ultrasonic flow meter works on the transit time or time of flight principle.
Pdf ultrasonic clampon flowmeters basically provide noninvasive flow. The sitrans fs230 digital clamp on ultrasonic flowmeter is a processoptimizing solution for measuring flow in virtually any liquid application. The technology has inherent advantages over alternate devices including. How to install clampon ultrasonic flow meters faqs. Ultrasonic flow meters easytouse clamp on flowquip.
Honeywells versaflow clamp on ultrasonic flow meter operates using transit time measurement. The battery operated portable meter utilizes clamp on transducers to measure flow through the pipe wall. Positivenegativenet floe totaliser 4 line lcd display. Global water fm500 ultrasonic flow meter ultrasonic clamp on flow meters that use transit time and doppler methods to measure flow. Oct 16, 2014 principle doppler flow meters operate similarly to the radar speed traps used on the road. An emitter sends ultrasonic waves at frequency f1 approx. 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. The noninvasive sensor has no contact to the medium and is particularly suited for applications with strict hygienic standards. When contact with the measured fluid is not possible, ultrasonic clamp on flow meters are the equipment of choice. There is no need to change the meter when operating conditions change. Their noninvasive nature makes them indispensable in applications such as chemical liquid processing, hygienic process monitoring, high pressure flow measurement, etc. Compare compare daniel 3804 electronics ultrasonic flow meter transmitter.
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. The new clamp on transducers produce clean, coded signals with very minimal background noise. Homogenous fluids, as well as, advanced digital signaling can eliminate many of the problems associated with noise and variations in liquid chemistry. Fundamental principles of clamp on ultrasonic flow meters overview of selection, installation, operation and maintenance of clamp on meters. 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. Flow l x d transducer 2 transducer 1 figure 1 ultrasonic flow meter ultrasonic meters are velocity meters by. Ultrasonic liquid clampon flow meters industrial piping. This tool will enable you to find the optimum location for the transducers. Portable ultrasonic flowmeter ideal for multipoint measurement in the field. Ultrasonic flow measurement for natural gas applications ref2.
In recent years the use of noninvasive clamp on flow meters has. Micronics specialise in transit time ultrasonic clamp on noninvasive flow meters. Ultrasonic flow measurement by gertrudys adkins, ph. Ultrasonic flow meter ultrasonic meters are velocity meters by nature. With this technology, ultrasonic waves transmit upstream and downstream through the pipe wall and liquid flowing in the pipe.
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. 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. Micronics meters flow meters ultrasonic flow meter. Compare compare daniel, usm341204 junior sonic gas usm flow meter, 2 path, 4 inch. Onicon f4400 portable clamp on ultrasonic flow meter is the ideal tool for testing and validating flow. The ultrasonic flow sensor sonoflow co detects the flow rate of liquids in plastic tubes quickly and reliably. Final report on clampon transit time ultrasonic flowmeter. Siemens sitrans fst020 clampon ultrasonic flowmeter user. Fundamental principles of clampon ultrasonic flow meters. Clamp on type ultrasonic flow meter industrial flow meters. Comprehensive portfolio for gases, liquids and steam. For process and utility applications, energy and custody transfer ct measurements. Operations manual pn 39000777, rev fc march 2020 daniel 3410 series gas ultrasonics flow meters models 3414, 3412 and 3411.
F4400 portable clampon ultrasonic flow meter catalog. 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. Ultrasonic flowmeters are ideal for wastewater applications or any dirty liquid which is conductive or water based. Operating instructions for sitrans fst020 ip65 nema 4x flow meter. An ultrasonic flowmeter nonintrusive doppler flow meters is a volumetric flow meter which requires particulates or bubbles in the flow. Ultrasonic flow meter clampon ultrasonic flow meter. Katronic specialises in clamp on ultrasonic flow meters and noninvasive process measurement instrumentation with modern electronics and sensor technology. Flow measurement technology badger meter europa flow. 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. Ultrasonic flow meter flow meter clamp on sensor dn50700mm tds100hm2 ultrasonic flow meter features. With clamp on technology, these ultrasonic meters reside outside the pipe and bring you flow measurement with. Manas have now introduced a new clamp type ultrasonic flow meter. Pdf the paper discusses the results of laboratory and field measurements. Remote condition monitoring of daniel ultrasonic meter extends calibration cycles and minimizes production delays.
The flow meter unit utilizes two transducers that functions as both ultrasonic transmitter and receiver. Panametrics clamp on flow ultrasonic next generation xmt transmitter the xmt is a new, costeffective ultrasonic. 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. Tds100hm2 ultrasonic flow meter flow meter clamp high quality. 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. The ultrasonic flow meter provides numerous advantages over other types of flow measuring meters. Tds100 series ultrasonic flow meters ultrasonic heat meters ultrasonic industrial water meter use lowvoltage and. There are, of course, limitations in such measurement, which we will explore a little more. The sitrans fs230 digital clamp on ultrasonic flow meter is a processoptimizing solution for measuring flow in virtually any liquid application. Clamp on ultrasonic gas flow meters ultrasonic flow meter hire. High temperature and cryogenic versions, variants for high pressure and higher viscosities. Fundamental principles of clampon ultrasonic flow meters iceweb. The application of clampon ultrasonic flowmeters in production. There are two technologies to choose from based on the fluid propertiestransit time and doppler.
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. Honeywells versaflow clampon ultrasonic flow meter operates using transit time measurement. Ultrasonic clampon gas flow meters and liquid flowmeters as. A clamp on ultrasonic flow meter consists of at least two ultrasonic sensors mounted externally to a pipe. Since many years, clampon ultrasonic flow meters have been available on the. The ultrasonic flow meter is simple to install and is able to produce highly accurate readings helping the user to save money.
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. Testing was carried out over a range of water flow rates using multiple pipe sizes and. Pdf field and lab experience with clampon acoustic flow meters. Clamp on ultrasonic flow meter brochures, manuals, and videos. A clamp on ultrasonic gas flow meter produces signals that are five to ten times more powerful than those of traditional ultrasonic transducers. Both wetted sensor and clampon meter types send ultrasonic pulses across the gas stream at an angle to sense the flow field. As a result, the ultrasonic signals now have different transit times less time in the direction of flow and more time against the flow. 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. Since the early 2000s, ultrasonic clamp on flow measurements, previously restricted mainly to liquids, were found. Sonoflow sensors clampon flow sensors using ultrasound. Dynasonics ultrasonic meters measure flow rate by propagating ultrasound waves into liquidfilled pipes and measuring the reflections. 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. Siemens sitrans fst020 clampon ultrasonic flowmeter.
Pdf a new calibration method for ultrasonic clampon flowmeters. Micronics flow meters ultrasonic clampon, and fixed flow. With the appropriate reynolds correction they are able to measure both water based liquids. The application of clampon ultrasonic flowmeters in. The batterypowered transmitter comes in the users choice of an integrally mounted display or a remotemount version. The meter formula of an ultrasonic flowmeter includes an acoustic calibration factor. Time deltac advanced type offers consumed energy calculation, 2 pipe measurement, 2path measurement for 1 pipe. The fd610 series utilizes a noninvasive clamp on transducer which is placed on the outside of a pipe.
Oct 14, 2016 before taking a measurement, the ultrasonic flow meter will guide you to the audible sensor positioning assistant. The flow of fluid is measured by clamping a set of transducers on a pipe. Panametrics ultrasonic clampon liquid flow meter for. Daniel 3818 eightpath liquid ultrasonic flow meter for lng. The clamp on ultrasonic flow meter of the fdt40 series do not come in contact with the internal liquid. Its designed specifically for water and wastewater applications in full pipes.
But ultrasonic flowmeters are also widely used to measure liquids. Find how a ultrasonic flow meter works on this link. We specialise in measuring the flow of a liquid in a pipe by using clamp on strap on sensors. The basic operation of an ultrasonic meter is relatively simple. Ultrasonic clamp on flow meter to verify the accuracy of the instrument against an inline reference instrument. Before taking a measurement, the ultrasonic flow meter will guide you to the audible sensor positioning assistant. 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. By adopting a dsp and an ad converters, the flow measurement.
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 flowmeters consists of a combination of one or two versaflow clamp on sensors and one tws9000 ultrasonic flow converter. The clamp on mounting concept eliminates any risk of contamination or leaking. An ultrasonic beam of a given frequency is generated by applying a repetitive voltage pulse to the transducer crystals. This makes it suitable for virtually any liquid, even those with high aeration or suspended solids. This transmission goes first from the downstream transducer to the. Ultrasonic clampon technology flow measurement from outside. In the singlesensor version, the transmit and receive crystals.
Versaflow ultrasonic clampon flowmeter specifications. The sensors measure flow by transmitting and receiving ultrasonic signals directly through the pipe wall and the medium. Flowquip offer a wide range of ultrasonic flow meters and clamp on meters which are available for sale or hire. Global water fm500 ultrasonic clampon flow meter xylem. 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. The battery operated portable meter utilizes clampon.
Ultrasonic clampon gas flow meters and liquid flowmeters. The ultrasonic waves strike particles moving through the sound field at velocity vp. In difficult times likes this katronic want to assure you that the offices are still open for business. Ultrasonic flowmeters fst020 ip65 nema 4x operating instructions 22014 a5e03086487ah introduction 1 safety notes 2 description 3 installingmounting 4. Two major subtypes of ultrasonic flow meters exist. 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. The main advantage provided is ultrasonic measurements are noninvasive. 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.
Ultrasonic flow meter introduction omega engineering. Ultrasonic flow meter flow knowledge keyence america. The ufm is a clampon, ultrasonic flowmeter that uses a multiple slope transit time algorithm to provide accurate flow measurements. 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. Clamp on ultrasonic flow meters are valuable tools for helping district energy providers, building owners and managers. What are the advantages of using an ultrasonic flow meter.
What is nonintrusive ultrasonic flow meter technology. Fdt40e series ultrasonic flow and energy meters clamp on to the outside of pipes and do not come in contact with the internal liquid. 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. 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. 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. Because in most cases the transducers are placed on the outside, they do not come in contact with the. 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. At this point it will give the user a graphical indication of signal strength, signal quality and a recommended sensor spacing. On the other hand field tests with the catt flow meter were executed in the hydro.